Patents by Inventor David G. Lewis

David G. Lewis 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).

  • Publication number: 20240034555
    Abstract: A refuse collection vehicle includes a grabber that is operable to engage a refuse container, at least one sensor that is arranged to collect data indicating a relative positioning of a first arm of the grabber and a second arm of the grabber, and a controller having one or more control elements for selecting a target positioning of a first arm of the grabber and a second arm of the grabber. The first arm and the second arm automatically move to the target positioning in response to a signal received by an onboard computing device of the vehicle.
    Type: Application
    Filed: June 30, 2023
    Publication date: February 1, 2024
    Inventors: David G. Lewis, Stanley L. Maroney, Chad R. Blanchard
  • Patent number: 11858735
    Abstract: A refuse collection vehicle includes a grabber that is operable to engage a refuse container, a lift arm that is operable to lift a refuse container, at least one sensor that is arranged to collect data indicating an angular position of the grabber, at least one sensor that is arranged to collect data indicating a relative positioning of the lift arm, a first controller for adjusting the angular position of the grabber, and a second controller adjusting the relative positioning of the lift arm. The adjustment of the angular position of the grabber is coordinated with the adjustment of the relative positioning of the lift arm.
    Type: Grant
    Filed: April 12, 2022
    Date of Patent: January 2, 2024
    Assignee: The Heil Co.
    Inventors: Stanley L Maroney, David G. Lewis, Robert B. Williams
  • Patent number: 11807450
    Abstract: A refuse collection vehicle includes a grabber that is operable to engage a refuse container, at least one sensor that is arranged to collect data indicating a relative positioning of a first arm of the grabber and a second arm of the grabber, and a controller having one or more control elements for selecting a target positioning of a first arm of the grabber and a second arm of the grabber. The first arm and the second arm automatically move to the target positioning in response to a signal received by an onboard computing device of the vehicle.
    Type: Grant
    Filed: December 14, 2021
    Date of Patent: November 7, 2023
    Assignee: The Heil Co.
    Inventors: David G. Lewis, Stanley L. Maroney, Chad R. Blanchard
  • Publication number: 20230242336
    Abstract: Operating a refuse collection vehicle to collect refuse from a refuse container includes positioning a refuse collection vehicle with respect to a refuse container to be emptied, and manually engaging a switch to initiate a dump cycle to be performed by the refuse collection vehicle on the refuse container. The dump cycle includes engaging the refuse container with a portion of the vehicle, lifting the engaged refuse container to a dump position, and moving the refuse container to release contents of the refuse container into a hopper of the refuse collection vehicle. The dump cycle continues to completion as long as the switch remains manually engaged.
    Type: Application
    Filed: March 17, 2023
    Publication date: August 3, 2023
    Inventors: Stanley L. Maroney, David G. Lewis, Robert B. Williams
  • Patent number: 11608226
    Abstract: Operating a refuse collection vehicle to collect refuse from a refuse container includes positioning a refuse collection vehicle with respect to a refuse container to be emptied, and manually engaging a switch to initiate a dump cycle to be performed by the refuse collection vehicle on the refuse container. The dump cycle includes engaging the refuse container with a portion of the vehicle, lifting the engaged refuse container to a dump position, and moving the refuse container to release contents of the refuse container into a hopper of the refuse collection vehicle. The dump cycle continues to completion as long as the switch remains manually engaged.
    Type: Grant
    Filed: May 2, 2022
    Date of Patent: March 21, 2023
    Assignee: The Heil Co.
    Inventors: Stanley L. Maroney, David G. Lewis, Robert B. Williams
  • Patent number: 11453550
    Abstract: A refuse collection vehicle includes a grabber that is operable to engage a refuse container, a lift arm that is operable to lift a refuse container, at least one sensor that is arranged to collect data indicating an angular position of the grabber, at least one sensor that is arranged to collect data indicating a relative positioning of the lift arm, a first controller for adjusting the angular position of the grabber, and a second controller adjusting the relative positioning of the lift arm. The adjustment of the angular position of the grabber is coordinated with the adjustment of the relative positioning of the lift arm.
    Type: Grant
    Filed: April 23, 2020
    Date of Patent: September 27, 2022
    Assignee: The Heil Co.
    Inventors: Stanley L. Maroney, David G. Lewis, Robert B. Williams
  • Publication number: 20220258966
    Abstract: Operating a refuse collection vehicle to collect refuse from a refuse container includes positioning a refuse collection vehicle with respect to a refuse container to be emptied, and manually engaging a switch to initiate a dump cycle to be performed by the refuse collection vehicle on the refuse container. The dump cycle includes engaging the refuse container with a portion of the vehicle, lifting the engaged refuse container to a dump position, and moving the refuse container to release contents of the refuse container into a hopper of the refuse collection vehicle. The dump cycle continues to completion as long as the switch remains manually engaged.
    Type: Application
    Filed: May 2, 2022
    Publication date: August 18, 2022
    Inventors: Stanley L. Maroney, David G. Lewis, Robert B. Williams
  • Publication number: 20220234822
    Abstract: A refuse collection vehicle includes a grabber that is operable to engage a refuse container, a lift arm that is operable to lift a refuse container, at least one sensor that is arranged to collect data indicating an angular position of the grabber, at least one sensor that is arranged to collect data indicating a relative positioning of the lift arm, a first controller for adjusting the angular position of the grabber, and a second controller adjusting the relative positioning of the lift arm. The adjustment of the angular position of the grabber is coordinated with the adjustment of the relative positioning of the lift arm.
    Type: Application
    Filed: April 12, 2022
    Publication date: July 28, 2022
    Inventors: Stanley L. Maroney, David G. Lewis, Robert B. Williams
  • Patent number: 11332307
    Abstract: A refuse collection vehicle includes a grabber that is operable to engage a refuse container, a lift arm that is operable to lift a refuse container, at least one sensor that is arranged to collect data indicating an angular position of the grabber, at least one sensor that is arranged to collect data indicating a relative positioning of the lift arm, a first controller for adjusting the angular position of the grabber, and a second controller adjusting the relative positioning of the lift arm. The adjustment of the angular position of the grabber is coordinated with the adjustment of the relative positioning of the lift arm.
    Type: Grant
    Filed: April 23, 2020
    Date of Patent: May 17, 2022
    Assignee: The Heil Co.
    Inventors: Stanley L. Maroney, David G. Lewis, Robert B. Williams
  • Patent number: 11319147
    Abstract: Operating a refuse collection vehicle to collect refuse from a refuse container includes positioning a refuse collection vehicle with respect to a refuse container to be emptied, and manually engaging a switch to initiate a dump cycle to be performed by the refuse collection vehicle on the refuse container. The dump cycle includes engaging the refuse container with a portion of the vehicle, lifting the engaged refuse container to a dump position, and moving the refuse container to release contents of the refuse container into a hopper of the refuse collection vehicle. The dump cycle continues to completion as long as the switch remains manually engaged.
    Type: Grant
    Filed: February 4, 2020
    Date of Patent: May 3, 2022
    Assignee: The Heil Co.
    Inventors: Stanley L. Maroney, David G. Lewis, Robert B. Williams
  • Publication number: 20220106113
    Abstract: A refuse collection vehicle includes a grabber that is operable to engage a refuse container, at least one sensor that is arranged to collect data indicating a relative positioning of a first arm of the grabber and a second arm of the grabber, and a controller having one or more control elements for selecting a target positioning of a first arm of the grabber and a second arm of the grabber. The first arm and the second arm automatically move to the target positioning in response to a signal received by an onboard computing device of the vehicle.
    Type: Application
    Filed: December 14, 2021
    Publication date: April 7, 2022
    Inventors: David G. Lewis, Stanley L. Maroney, Chad R. Blanchard
  • Patent number: 11208262
    Abstract: A refuse collection vehicle includes a grabber that is operable to engage a refuse container, at least one sensor that is arranged to collect data indicating a relative positioning of a first arm of the grabber and a second arm of the grabber, and a controller having one or more control elements for selecting a target positioning of a first arm of the grabber and a second arm of the grabber. The first arm and the second arm automatically move to the target positioning in response to a signal received by an onboard computing device of the vehicle.
    Type: Grant
    Filed: April 23, 2020
    Date of Patent: December 28, 2021
    Assignee: The Heil Co.
    Inventors: David G. Lewis, Stanley L. Maroney, Chad R. Blanchard
  • Publication number: 20200339346
    Abstract: A refuse collection vehicle includes a grabber that is operable to engage a refuse container, a lift arm that is operable to lift a refuse container, at least one sensor that is arranged to collect data indicating an angular position of the grabber, at least one sensor that is arranged to collect data indicating a relative positioning of the lift arm, a first controller for adjusting the angular position of the grabber, and a second controller adjusting the relative positioning of the lift arm. The adjustment of the angular position of the grabber is coordinated with the adjustment of the relative positioning of the lift arm.
    Type: Application
    Filed: April 23, 2020
    Publication date: October 29, 2020
    Inventors: Stanley L. Maroney, David G. Lewis, Robert B. Williams
  • Publication number: 20200339345
    Abstract: A refuse collection vehicle includes a grabber that is operable to engage a refuse container, at least one sensor that is arranged to collect data indicating a relative positioning of a first arm of the grabber and a second arm of the grabber, and a controller having one or more control elements for selecting a target positioning of a first arm of the grabber and a second arm of the grabber. The first arm and the second arm automatically move to the target positioning in response to a signal received by an onboard computing device of the vehicle.
    Type: Application
    Filed: April 23, 2020
    Publication date: October 29, 2020
    Inventors: David G. Lewis, Stanley L. Maroney, Chad R. Blanchard
  • Publication number: 20200247609
    Abstract: Operating a refuse collection vehicle to collect refuse from a refuse container includes positioning a refuse collection vehicle with respect to a refuse container to be emptied, and manually engaging a switch to initiate a dump cycle to be performed by the refuse collection vehicle on the refuse container. The dump cycle includes engaging the refuse container with a portion of the vehicle, lifting the engaged refuse container to a dump position, and moving the refuse container to release contents of the refuse container into a hopper of the refuse collection vehicle. The dump cycle continues to completion as long as the switch remains manually engaged.
    Type: Application
    Filed: February 4, 2020
    Publication date: August 6, 2020
    Inventors: Stanley L. Maroney, David G. Lewis, Robert B. Williams
  • Publication number: 20100027781
    Abstract: A method and apparatus for increasing performance of Data Encryption Standard (DES) and Triple DES (3DES) cipher operation is provided. A critical path through a plurality of rounds in a multi-round cycle to perform a cipher operation is reduced by reducing the number of exclusive OR (XOR) operations in the critical path. An R state element is expanded to 48-bits and each round stage uses the 48-bit expanded R state element which results in a reduction of the number of XOR operations to one per round in the cipher operation plus one additional XOR operation per cipher operation. In addition logic organization is symmetric which further increases the overall performance of DES and 3DES.
    Type: Application
    Filed: December 20, 2007
    Publication date: February 4, 2010
    Inventors: Duane E. Galbi, David G. Lewis, Kirk S. Yap
  • Patent number: 5460236
    Abstract: Maneuverability of a work vehicle having front steerable drive wheels is improved by increasing steering clearance. The front drive axle is pivoted to the vehicle for pivotal movement about a fore-and-aft extending oscillation centerline located above the lateral centerline of the axle. The drive shaft is in substantially collinear alignment with the oscillation centerline. The axle has an input shaft that is below and in substantially parallel alignment with the oscillation centerline and is substantially perpendicular to the lateral centerline of the axle. The drive shaft and the input shaft are drivingly connected by intermeshing drive and driven gears mounted on the drive and input shafts, respectively.
    Type: Grant
    Filed: July 29, 1994
    Date of Patent: October 24, 1995
    Assignee: Deere & Company
    Inventors: David G. Lewis, Rodney K. Rowland
  • Patent number: 4529073
    Abstract: A cooling oil cut-off valve is disclosed for use in a clutch having a rotatable drum fixed to a drive member and a rotatable hub fixed to a driven member. The hub is arranged within the drum so as to form a clutch chamber in which is positioned a clutch pack. The clutch pack is radially attached to both the drum and the hub and is axially engageable by a hydraulically actuated piston. Fluid flow to the piston is provided by means of a first fluid passage while the flow of cooling oil to the clutch chamber is provided by a second fluid passage. The clutch drum also contains a bore formed therein which intersects the first and second passages and which contains a cooling oil cut-off valve. The cooling oil cut-off valve is movable by fluid pressure to a first position when the clutch is engaged to permit cooling oil to flow to the clutch pack.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: July 16, 1985
    Assignee: Deere & Company
    Inventor: David G. Lewis
  • Patent number: 4132456
    Abstract: A display device for multiplying images of a sample to give an impression of a full wall or floor covering. In a first version, a tray is surrounded with four mirrors at right angles to each other and located in a cabinet with a viewing window in one side for viewing multiple images of a sample on the tray reflected in the mirrors. In a second version, two parallel vertical mirrors are disposed at right angles to a vertical support arranged between them, one of the mirros being slidable on runners. In both embodiments, lamps are provided for simulating the effects of different illuminations.
    Type: Grant
    Filed: October 7, 1976
    Date of Patent: January 2, 1979
    Assignee: Dacon Display Services Limited
    Inventors: David G. A. Lewis, Michael G. Connolly