Patents by Inventor John F. Stufflebeam

John F. Stufflebeam has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6776108
    Abstract: A planter apparatus includes a seed meter including a housing assembly with a cover releasably connected to a shell. The housing assembly includes at least one opening formed therein adjacent a seed discharge area to promote the release of seeds from a disc rotatably attached to the housing assembly. The disc divides an interior of the housing assembly to include a vacuum chamber and a seed chamber. The disc including a plurality of openings formed adjacent a periphery of the disc. The planter apparatus may also include a singulator assembly having rotatably spools, a rotatable chute door, a disc having clusters of openings for simultaneous release, and a one-piece baffle.
    Type: Grant
    Filed: March 13, 2003
    Date of Patent: August 17, 2004
    Assignee: CNH America LLC
    Inventors: Richard J. Crabb, Guntis Ozers, David N. Slowinski, Chad M. Johnson, Donald Johnson, Lisle J. Dunham, John F. Stufflebeam, Thomas A. Olson, Stephen D. Berry, Thomas Brown, Gerald J. Tiedt
  • Patent number: 6742465
    Abstract: A planter apparatus includes a seed meter including a housing assembly with a cover releasably connected to a shell. The housing assembly includes at least one opening formed therein adjacent a seed discharge area to promote the release of seeds from a disc rotatably attached to the housing assembly. The disc divides an interior of the housing assembly to include a vacuum chamber and a seed chamber. The disc including a plurality of openings formed adjacent a periphery of the disc. The planter apparatus may also include a singulator assembly having rotatably spools, a rotatable chute door, a disc having clusters of openings for simultaneous release, and a one-piece baffle.
    Type: Grant
    Filed: March 13, 2003
    Date of Patent: June 1, 2004
    Assignee: CNH America LLC
    Inventors: Richard J. Crabb, Guntis Ozers, David N. Slowinski, Chad M. Johnson, Donald Johnson, Lisle J. Dunham, John F. Stufflebeam, Thomas A. Olson, Stephen D. Berry, Thomas Brown, Gerald J. Tiedt
  • Patent number: 6739272
    Abstract: A planter apparatus includes a seed meter including a housing assembly with a cover releasably connected to a shell. The housing assembly includes at least one opening formed therein adjacent a seed discharge area to promote the release of seeds from a disc rotatably attached to the housing assembly. The disc divides an interior of the housing assembly to include a vacuum chamber and a seed chamber. The disc including a plurality of openings formed adjacent a periphery of the disc. The planter apparatus may also include a singulator assembly having rotatably spools, a rotatable chute door, a disc having clusters of openings for simultaneous release, and a one-piece baffle.
    Type: Grant
    Filed: March 13, 2003
    Date of Patent: May 25, 2004
    Assignee: CNH America LLC
    Inventors: Richard J. Crabb, Guntis Ozers, David N. Slowinski, Chad M. Johnson, Donald Johnson, Lisle J. Dunham, John F. Stufflebeam, Thomas A. Olson, Stephen D. Berry, Thomas Brown, Gerald J. Tiedt
  • Publication number: 20030177968
    Abstract: A planter apparatus includes a seed meter including a housing assembly with a cover releasably connected to a shell. The housing assembly includes at least one opening formed therein adjacent a seed discharge area to promote the release of seeds from a disc rotatably attached to the housing assembly. The disc divides an interior of the housing assembly to include a vacuum chamber and a seed chamber. The disc including a plurality of openings formed adjacent a periphery of the disc. The planter apparatus may also include a singulator assembly having rotatably spools, a rotatable chute door, a disc having clusters of openings for simultaneous release, and a one-piece baffle.
    Type: Application
    Filed: March 13, 2003
    Publication date: September 25, 2003
    Inventors: Richard J. Crabb, Guntis Ozers, David N. Slowinski, Chad M. Johnson, Donald Johnson, Lisle J. Dunham, John F. Stufflebeam, Thomas A. Olson, Stephen D. Berry, Thomas Brown, Gerald J. Tiedt
  • Publication number: 20030177969
    Abstract: A planter apparatus includes a seed meter including a housing assembly with a cover releasably connected to a shell. The housing assembly includes at least one opening formed therein adjacent a seed discharge area to promote the release of seeds from a disc rotatably attached to the housing assembly. The disc divides an interior of the housing assembly to include a vacuum chamber and a seed chamber. The disc including a plurality of openings formed adjacent a periphery of the disc. The planter apparatus may also include a singulator assembly having rotatably spools, a rotatable chute door, a disc having clusters of openings for simultaneous release, and a one-piece baffle.
    Type: Application
    Filed: March 13, 2003
    Publication date: September 25, 2003
    Inventors: Richard J. Crabb, Guntis Ozers, David N. Slowinski, Chad M. Johnson, Donald Johnson, Lisle J. Dunham, John F. Stufflebeam, Thomas A. Olson, Stephen D. Berry, Thomas Brown, Gerald J. Tiedt
  • Publication number: 20030154892
    Abstract: A planter apparatus includes a seed meter including a housing assembly with a cover releasably connected to a shell. The housing assembly includes at least one opening formed therein adjacent a seed discharge area to promote the release of seeds from a disc rotatably attached to the housing assembly. The disc divides an interior of the housing assembly to include a vacuum chamber and a seed chamber. The disc including a plurality of openings formed adjacent a periphery of the disc. The planter apparatus may also include a singulator assembly having rotatably spools, a rotatable chute door, a disc having clusters of openings for simultaneous release, and a one-piece baffle.
    Type: Application
    Filed: March 13, 2003
    Publication date: August 21, 2003
    Inventors: Richard J. Crabb, Guntis Ozers, David N. Slowinski, Chad M. Johnson, Donald Johnson, Lisle J. Dunham, John F. Stufflebeam, Thomas A. Olson, Stephen D. Berry, Thomas Brown, Gerald J. Tiedt
  • Patent number: 6564730
    Abstract: A planter apparatus includes a seed meter including a housing assembly with a cover releasably connected to a shell. The housing assembly includes at least one opening formed therein adjacent a seed discharge area to promote the release of seeds from a disc rotatably attached to the housing assembly. The disc divides an interior of the housing assembly to include a vacuum chamber and a seed chamber. The disc including a plurality of openings formed adjacent a periphery of the disc. The planter apparatus may also include a singulator assembly having rotatably spools, a rotatable chute door, a disc having clusters of openings for simultaneous release, and a one-piece baffle.
    Type: Grant
    Filed: December 17, 2001
    Date of Patent: May 20, 2003
    Assignee: Case Corporation
    Inventors: Richard J. Crabb, Guntis Ozers, David N. Slowinski, Chad M. Johnson, Donald Johnson, Lisle J. Dunham, John F. Stufflebeam, Thomas A. Olson, Stephen D. Berry, Thomas Brown, Gerald J. Tiedt
  • Patent number: 6401638
    Abstract: A planter apparatus includes a seed meter including a housing assembly with a cover releasably connected to a shell. The housing assembly includes at least one opening formed therein adjacent a seed discharge area to promote the release of seeds from a disc rotatably attached to the housing assembly. The disc divides an interior of the housing assembly to include a vacuum chamber and a seed chamber. The disc including a plurality of openings formed adjacent a periphery of the disc. The planter apparatus may also include a singulator assembly having rotatably spools, a rotatable chute door, a disc having clusters of openings for simultaneous release, and a one-piece baffle.
    Type: Grant
    Filed: March 17, 2000
    Date of Patent: June 11, 2002
    Assignee: Case Corporation
    Inventors: Richard J. Crabb, Guntis Ozers, David N. Slowinski, Chad M. Johnson, Donald Johnson, Lisle J. Dunham, John F. Stufflebeam, Thomas A. Olson, Stephen D. Berry, Thomas Brown, Gerald J. Tiedt
  • Publication number: 20020050238
    Abstract: A planter apparatus includes a seed meter including a housing assembly with a cover releasably connected to a shell. The housing assembly includes at least one opening formed therein adjacent a seed discharge area to promote the release of seeds from a disc rotatably attached to the housing assembly. The disc divides an interior of the housing assembly to include a vacuum chamber and a seed chamber. The disc including a plurality of openings formed adjacent a periphery of the disc. The planter apparatus may also include a singulator assembly having rotatably spools, a rotatable chute door, a disc having clusters of openings for simultaneous release, and a one-piece baffle.
    Type: Application
    Filed: December 17, 2001
    Publication date: May 2, 2002
    Applicant: Case Corporation
    Inventors: Richard J. Crabb, Guntis Ozers, David N. Slowinski, Chad M. Johnson, Donald Johnson, Lisle J. Dunham, John F. Stufflebeam, Thomas A. Olson, Stephen D. Berry, Thomas Brown, Gerald J. Tiedt
  • Patent number: 6374759
    Abstract: A planter apparatus includes a seed meter including a housing assembly with a cover releasably connected to a shell. The housing assembly includes at least one opening formed therein adjacent a seed discharge area to promote the release of seeds from a disc rotatably attached to the housing assembly. The disc divides an interior of the housing assembly to include a vacuum chamber and a seed chamber. The disc including a plurality of openings formed adjacent a periphery of the disc. The planter apparatus may also include a singulator assembly having rotatably spools, a rotatable chute door, a disc having clusters of openings for simultaneous release, and a one-piece baffle.
    Type: Grant
    Filed: March 17, 2000
    Date of Patent: April 23, 2002
    Assignee: Case Corporation
    Inventors: Richard J. Crabb, Guntis Ozers, David N. Slowinski, Chad M. Johnson, Donald Johnson, Lisle J. Dunham, John F. Stufflebeam, Thomas A. Olson, Stephen D. Berry, Thomas Brown, Gerald J. Tiedt
  • Patent number: 6325005
    Abstract: A planter apparatus includes a seed meter including a housing assembly with a cover releasably connected to a shell. The housing assembly includes at least one opening formed therein adjacent a seed discharge area to promote the release of seeds from a disc rotatably attached to the housing assembly. The disc divides an interior of the housing assembly to include a vacuum chamber and a seed chamber. The disc including a plurality of openings formed adjacent a periphery of the disc. The planter apparatus may also include a singulator assembly having rotatably spools, a rotatable chute door, a disc having clusters of openings for simultaneous release, and a one-piece baffle.
    Type: Grant
    Filed: March 17, 2000
    Date of Patent: December 4, 2001
    Assignee: Case Corporation
    Inventors: Richard J. Crabb, Guntis Ozers, David N. Slowinski, Chad M. Johnson, Donald Johnson, Lisle J. Dunham, John F. Stufflebeam, Thomas A. Olson, Stephen D. Berry, Thomas Brown, Gerald J. Tiedt
  • Patent number: 6109193
    Abstract: A planter apparatus includes a seed meter including a housing assembly with a cover releasably connected to a shell. The housing assembly includes at least one opening formed therein adjacent a seed discharge area to promote the release of seeds from a disc rotatably attached to the housing assembly. The disc divides an interior of the housing assembly to include a vacuum chamber and a seed chamber. The disc including a plurality of openings formed adjacent a periphery of the disc. The planter apparatus may also include a singulator assembly having rotatably spools, a rotatable chute door, a disc having clusters of openings for simultaneous release, and a one-piece baffle.
    Type: Grant
    Filed: April 15, 1998
    Date of Patent: August 29, 2000
    Assignee: Case Corporation
    Inventors: Richard J. Crabb, Guntis Ozers, David N. Slowinski, Chad M. Johnson, Donald Johnson, Lisle J. Dunham, John F. Stufflebeam, Thomas A. Olson, Stephen D. Berry, Thomas Brown, Gerald J. Tiedt
  • Patent number: 5974988
    Abstract: A seed tube for an agricultural implement having a seed metering mechanism for uniformly dispensing seeds. The seed tube defines an enclosed curvilinear seed passageway extending between opposite ends of the tube. To promote control over the seeds gravitationally passing through the tube, the seed passageway has a smooth but decreasing cross-sectional configuration between ingress and egress ends of the passageway. The interior surface of the passageway and preferably the tube itself is formed from a material having a coefficient of surface friction ranging between about 0.02 and about 0.10. The enclosed seed passageway furthermore includes a narrowed front edge extending upwardly from a lower end of, the tube and for a majority of the length of the passageway.
    Type: Grant
    Filed: December 29, 1995
    Date of Patent: November 2, 1999
    Assignee: Case Corporation
    Inventors: John F. Stufflebeam, Lisle J. Dunham, Thomas A. Olson
  • Patent number: 5848571
    Abstract: A seed metering mechanism including a seed singulator assembly for reducing the likelihood of or eliminating double or excess seeds being carried by a seed disc of the seed metering mechanism to a discharge area of the seed metering mechanism for deposit to the ground. The singulator assembly is disposed downstream of a seed chamber and upstream of the seed discharge area of a seed metering mechanism. The seed singulator of the present invention includes a seed engaging member arranged on opposite sides of the path of travel of a circular array of openings on a seed disc of the seed metering mechanism. The spacings between the seed engaging members being such that only a single seed carried in each opening is permitted to pass therebetween.
    Type: Grant
    Filed: August 20, 1996
    Date of Patent: December 15, 1998
    Assignee: Case Corporation
    Inventors: John F. Stufflebeam, Thomas A. Olson, Lisle J. Dunham, Stephen D. Berry
  • Patent number: 5842428
    Abstract: Vacuum seed metering apparatus is operably arranged in combination with a seed storage hopper. The seed metering apparatus includes a rotatable disc having a circular row of apertures for movement along a predetermined path during rotation of the disc. A housing is arranged in seed receiving relation relative to the seed hopper, and includes an interior divided by the disc into a seed chamber to hold seeds and a vacuum chamber extending at least partially around the path of movement of the apertures. The vacuum chamber has a leading end, a trailing end, and a vacuum exhaust port in communication with a vacuum source therebetween. The trailing end of said chamber is arranged adjacent to a seed discharge area where seeds are released from the disc, and an opening is provided proximate to the seed discharge area to enhance the release of seeds from the disc.
    Type: Grant
    Filed: August 20, 1996
    Date of Patent: December 1, 1998
    Assignee: Case Corporation
    Inventors: John F. Stufflebeam, Thomas A. Olson, Lisle J. Dunham, Donald T. Johnson
  • Patent number: 5839378
    Abstract: A seed agitating assembly for a seed metering mechanism including a housing with a seed reservoir area wherein a mass of seeds are held and a rotatable seed disc internally carried by the housing. The seed disc is provide with a circular array of holes or throughopenings for captively transferring seeds from the seed reservoir to a seed discharge area on the seed metering mechanism. The seed discharge area is typically arranged in spaced relation from the seed reservoir. A rotary drive shaft extends endwise through the housing for imparting rotational movements to the seed disc. According to the present invention, a seed agitator assembly is provided for stirring or agitating the seeds in the seed reservoir. The seed agitating assembly includes a generally circular or plate-like member that is operably coupled to the drive shaft.
    Type: Grant
    Filed: August 20, 1996
    Date of Patent: November 24, 1998
    Assignee: Case Corporation
    Inventors: John F. Stufflebeam, Thomas A. Olson, Lisle J. Dunham
  • Patent number: 5799598
    Abstract: Sealing arrangement for a vacuum seed metering mechanism includes a housing assembly divided into a seed receiving chamber and a vacuum chamber by a circular seed disc having parallel and flat sides. The seed disc is provided with a circular row of openings proximate a periphery of the seed disc. Due to a pressure differential across the openings, seeds supplied to the seed receiving chamber of the seed metering mechanism are carried by the openings of the seed disc to a seed discharge area of the seed metering mechanism. The housing assembly of the seed metering mechanism includes a cover portion having an integrally formed sealing face; preferably formed of a pair of radially spaced annular flat sealing faces and a transverse ramp portion. The annular faces are joined to each other in a common plane to define the boundary of the vacuum chamber.
    Type: Grant
    Filed: August 20, 1996
    Date of Patent: September 1, 1998
    Assignee: Case Corporation
    Inventors: John F. Stufflebeam, Thomas A. Olson, Lisle J. Dunham
  • Patent number: 5765720
    Abstract: A baffle assembly for a seed metering mechanism that is mounted in combination with a seed hopper holding a supply of seeds that are to be dispensed into a furrow with regularity by the seed metering mechanism. The seed metering mechanism includes a two-piece housing divided into a seed chamber and a vacuum chamber by a rotatable disc having a series of throughopenings or holes arranged circumferentially adjacent the perimeter of the disc. The disc picks up seeds from the seed chamber and carries them around to a discharge area of the seed metering mechanism whereat they are released for gravitational deposit into the furrow in the ground below. A seed delivery chute gravitationally directs the seeds from the seed hopper to an opening defined by the housing from which the seeds are deposited into the seed chamber.
    Type: Grant
    Filed: August 20, 1996
    Date of Patent: June 16, 1998
    Assignee: Case Corporation
    Inventors: John F. Stufflebeam, Thomas A. Olson, Lisle J. Dunham, Gerald J. Tiedt
  • Patent number: 5740747
    Abstract: A vacuum seed metering mechanism arranged in combination with a seed hopper for uniformly dispensing seeds to the ground. The seed metering mechanism comprises a rotational distributor disc provided with a circular row of openings toward a periphery of the disc. The disc carries seeds from a seed reservoir to a seed discharge area under the influence of pressure differential. The disc is rotatably mounted in a housing whose interior is divided by the seed disc into the seed reservoir, on one side of the seed disc, and a suction chamber, lying around a portion of the path of movement of the openings in the seed disc. A salient feature of the present invention relates to the provision of an apparatus for imparting vibrations to the housing for facilitating the release of seeds from the openings in the disc in the discharge area of the seed.
    Type: Grant
    Filed: August 20, 1996
    Date of Patent: April 21, 1998
    Assignee: Case Corporation
    Inventors: John F. Stufflebeam, Thomas A. Olson, Lisle J. Dunham
  • Patent number: 5740746
    Abstract: A particulate matter or seed dispensing system for an agricultural implement having a mobile frame with a plurality of row units mounted to the frame. The seed dispensing system includes an upright storage hopper that is adapted to be carried by the frame and has the capacity for holding a large quantity of particulate matter such as seed. A bin is adapted to be carried on each row unit for holding a quantity of particulate matter or seed. Notably, each bin holds substantially less than the quantity of particulate matter adapted to be held in the storage hopper. A metering unit is adapted to be arranged on each row unit proximate a furrow opener of the row unit. The metering unit is arranged in material receiving relation relative to a respective bin on each row unit. The dispensing system of the present invention further includes an apparatus for delivering particulate matter from the hopper individually to each bin as a function of the quantity of particulate matter or seed material in the bins.
    Type: Grant
    Filed: August 11, 1995
    Date of Patent: April 21, 1998
    Assignee: Case Corporation
    Inventors: Donald Lawrence Ledermann, John F. Stufflebeam