Patents by Inventor Randall W. Heibenthal

Randall W. Heibenthal 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: 20170014734
    Abstract: An endcap including a first plate member including a radial inner portion, a radial outer portion, and defining a longitudinal axis. The endcap also includes a flange disposed between the radial inner and outer portions of the first plate member and projecting axially along the longitudinal axis in a first direction. The endcap also includes a first seal member disposed adjacent the flange. The first seal includes a first portion thereof engaged with an axial facing surface of the first plate member and a second portion thereof engaged with a radially facing surface of the flange. The endcap further includes a second plate member disposed radially outward of the radial outer portion and a second seal member disposed adjacent the second plate member including at least a portion thereof axially spaced from the axially facing surface of the first plate member in a second direction along the longitudinal axis opposite the first direction.
    Type: Application
    Filed: July 17, 2015
    Publication date: January 19, 2017
    Inventors: CHRISTOPHER J. SALVADOR, RANDALL W. HEIBENTHAL, DENNIS M. DEEDRICH, DAVID B. HARDER, JOHN R. HACKER, RICHARD J. EISENMENGER
  • Patent number: 9511314
    Abstract: A filter element disclosed herein includes a center tube defining a central reservoir and including an interior sidewall. The filter element further includes an end plate and a pocket defining a port extending from the end plate into the central reservoir. The pocket includes an inner wall, an outer wall, and a plurality of projections extending from the outer wall of the pocket toward the interior sidewall of the center tube.
    Type: Grant
    Filed: July 29, 2013
    Date of Patent: December 6, 2016
    Assignees: Caterpillar Inc., Donaldson Company, Inc., Advanced Filtration Systems, Inc.
    Inventors: Mark T. Allott, David Ofori-Amoah, Christopher J. Salvador, Randall W. Heibenthal, Dennis M. Deedrich, David B. Harder, John R. Hacker, Richard J. Eisenmenger
  • Patent number: 9089795
    Abstract: An endcap including a first plate member including a radial inner portion, a radial outer portion, and defining a longitudinal axis. The endcap also includes a flange disposed between the radial inner and outer portions of the first plate member and projecting axially along the longitudinal axis in a first direction. The endcap also includes a first seal member disposed adjacent the flange. The first seal includes a first portion thereof engaged with an axial facing surface of the first plate member and a second portion thereof engaged with a radially facing surface of the flange. The endcap further includes a second plate member disposed radially outward of the radial outer portion and a second seal member disposed adjacent the second plate member including at least a portion thereof axially spaced from the axially facing surface of the first plate member in a second direction along the longitudinal axis opposite the first direction.
    Type: Grant
    Filed: August 23, 2013
    Date of Patent: July 28, 2015
    Assignees: Caterpillar Inc., Advanced Filtration Systems, Inc., Donaldson Company, Inc.
    Inventors: Christopher J. Salvador, Randall W. Heibenthal, Dennis M. Deedrich, David B. Harder, John R. Hacker, Richard J. Eisenmenger
  • Publication number: 20150151226
    Abstract: A canister filter system includes a base, a canister attachable to the base, and a fluid separator filter having filter media positioned inside the canister. A drain engages and forms a seal with the filter in a closed position. In an open position, the drain allows fluid to be removed from the canister. The structure of the filter is such that the filter may more efficiently separate fluids.
    Type: Application
    Filed: February 6, 2015
    Publication date: June 4, 2015
    Applicant: CATERPILLAR INC.
    Inventors: JEFFREY R. RIES, CHRISTOPHER J. SALVADOR, RANDALL W. HEIBENTHAL, DENNIS M. DEEDRICH, RICHARD J. EISENMENGER
  • Patent number: 8973760
    Abstract: A canister filter system includes a base, a canister attachable to the base, and a fluid separator filter having filter media positioned inside the canister. A drain engages and forms a seal with the filter in a closed position. In an open position, the drain allows fluid to be removed from the canister. The structure of the filter is such that the filter may more efficiently separate fluids.
    Type: Grant
    Filed: September 12, 2011
    Date of Patent: March 10, 2015
    Assignees: Advanced Filtration Systems, Inc, Caterpillar Inc.
    Inventors: Jeffrey R. Ries, Christopher Joseph Salvador, Randall W. Heibenthal, Dennis M. Deedrich, Richard J. Eisenmenger
  • Publication number: 20130334147
    Abstract: An endcap including a first plate member including a radial inner portion, a radial outer portion, and defining a longitudinal axis. The endcap also includes a flange disposed between the radial inner and outer portions of the first plate member and projecting axially along the longitudinal axis in a first direction. The endcap also includes a first seal member disposed adjacent the flange. The first seal includes a first portion thereof engaged with an axial facing surface of the first plate member and a second portion thereof engaged with a radially facing surface of the flange. The endcap further includes a second plate member disposed radially outward of the radial outer portion and a second seal member disposed adjacent the second plate member including at least a portion thereof axially spaced from the axially facing surface of the first plate member in a second direction along the longitudinal axis opposite the first direction.
    Type: Application
    Filed: August 23, 2013
    Publication date: December 19, 2013
    Applicants: CATERPILLAR INC., ADVANCED FILTRATION SYSTEMS, INC., DONALDSON COMPANY, INC.
    Inventors: Christopher J. SALVADOR, Randall W. HEIBENTHAL, Dennis M. DEEDRICH, David B. HARDER, John R. HACKER, Richard J. EISENMENGER
  • Publication number: 20130313183
    Abstract: A filter element disclosed herein includes a center tube defining a central reservoir and including an interior sidewall. The filter element further includes an end plate and a pocket defining a port extending from the end plate into the central reservoir. The pocket includes an inner wall, an outer wall, and a plurality of projections extending from the outer wall of the pocket toward the interior sidewall of the center tube.
    Type: Application
    Filed: July 29, 2013
    Publication date: November 28, 2013
    Applicants: CATERPILLAR INC., DONALDSON COMPANY, INC., ADVANCED FILTRATION SYSTEMS, INC.
    Inventors: Mark T. Allott, David Ofori-Amoah, Christopher J. Salvador, Randall W. Heibenthal, Dennis M. Deedrich, David B. Harder, John R. Hacker, Richard J. Eisenmenger
  • Patent number: 8540080
    Abstract: An endcap includes a first plate member having a radial inner portion, a radial outer portion, and defining a longitudinal axis. The endcap also includes a flange disposed between the radial inner and outer portions, and projecting axially along the longitudinal axis in a first direction. The endcap also includes a first seal member disposed adjacent the flange. The first seal member includes a first portion engaged with an axial facing surface of the first plate member and a second portion engaged with a radially facing surface of the flange. The endcap further includes a second plate member disposed radially outward of the radial outer portion and a second seal member disposed adjacent the second plate member including at least a portion axially spaced from the axially facing surface of the first plate member in a second direction along the longitudinal axis opposite the first direction.
    Type: Grant
    Filed: August 7, 2012
    Date of Patent: September 24, 2013
    Assignees: Caterpillar Inc., Advanced Filtration Systems Inc., Donaldson Company Inc.
    Inventors: Christopher J. Salvador, Randall W. Heibenthal, Dennis M. Deedrich, David B. Harder, John R. Hacker, Richard Eisenmenger
  • Patent number: 8501003
    Abstract: A filter element disclosed herein includes a center tube defining a central reservoir and including an interior sidewall. The filter element further includes an end plate and a pocket defining a port extending from the end plate into the central reservoir. The pocket includes an inner wall, an outer wall, and a plurality of projections extending from the outer wall of the pocket toward the interior sidewall of the center tube.
    Type: Grant
    Filed: October 1, 2010
    Date of Patent: August 6, 2013
    Assignee: Caterpillar Inc.
    Inventors: Mark T. Allott, David Ofori-Amoah, Christopher J. Salvador, Randall W. Heibenthal, Dennis M. Deedrich, David B. Harder, John R. Hacker, Richard J. Eisenmenger
  • Patent number: 8419938
    Abstract: An endcap including a first plate member including a radial inner portion, a radial outer portion, and defining a longitudinal axis. The endcap also includes a flange disposed between the radial inner and outer portions of the first plate member and projecting axially along the longitudinal axis in a first direction. The endcap also includes a first seal member disposed adjacent the flange. The first seal includes a first portion thereof engaged with an axial facing surface of the first plate member and a second portion thereof engaged with a radially facing surface of the flange. The endcap further includes a second plate member disposed radially outward of the radial outer portion and a second seal member disposed adjacent the second plate member including at least a portion thereof axially spaced from the axially facing surface of the first plate member in a second direction along the longitudinal axis opposite the first direction.
    Type: Grant
    Filed: October 1, 2010
    Date of Patent: April 16, 2013
    Assignees: Catepillar Inc., Advanced Filtration Systems Inc., Donaldson Company Inc.
    Inventors: Jeffrey R. Ries, Christopher J. Salvador, Randall W. Heibenthal, Dennis M. Deedrich, David B. Harder, John R. Hacker, Richard J. Eisenmenger
  • Publication number: 20130033006
    Abstract: An endcap includes a first plate member having a radial inner portion, a radial outer portion, and defining a longitudinal axis. The endcap also includes a flange disposed between the radial inner and outer portions, and projecting axially along the longitudinal axis in a first direction. The endcap also includes a first seal member disposed adjacent the flange. The first seal member includes a first portion engaged with an axial facing surface of the first plate member and a second portion engaged with a radially facing surface of the flange. The endcap further includes a second plate member disposed radially outward of the radial outer portion and a second seal member disposed adjacent the second plate member including at least a portion axially spaced from the axially facing surface of the first plate member in a second direction along the longitudinal axis opposite the first direction.
    Type: Application
    Filed: August 7, 2012
    Publication date: February 7, 2013
    Inventors: Christopher J. Salvador, Randall W. Heibenthal, Dennis M. Deedrich, David B. Harder, John R. Hacker, Richard Eisenmenger
  • Patent number: 8272516
    Abstract: An endcap including a first plate member including a radial inner portion, a radial outer portion, and defining a longitudinal axis. The endcap also includes a flange disposed between the radial inner and outer portions of the first plate member and projecting axially along the longitudinal axis in a first direction. The endcap also includes a first seal member disposed adjacent the flange. The first seal includes a first portion thereof engaged with an axial facing surface of the first plate member and a second portion thereof engaged with a radially facing surface of the flange. The endcap further includes a second plate member disposed radially outward of the radial outer portion and a second seal member disposed adjacent the second plate member including at least a portion thereof axially spaced from the axially facing surface of the first plate member in a second direction along the longitudinal axis opposite the first direction.
    Type: Grant
    Filed: November 19, 2007
    Date of Patent: September 25, 2012
    Assignees: Caterpillar Inc., Advanced Filtration Systems Inc., Donaldon Company Inc.
    Inventors: Christopher J. Salvador, Randall W. Heibenthal, Dennis M. Deedrich, David B. Harder, John R. Hacker, Richard Eisenmenger
  • Publication number: 20120080372
    Abstract: A canister filter system includes a base, a canister attachable to the base, and a fluid separator filter having filter media positioned inside the canister. A drain engages and forms a seal with the filter in a closed position. In an open position, the drain allows fluid to be removed from the canister. The structure of the filter is such that the filter may more efficiently separate fluids.
    Type: Application
    Filed: September 12, 2011
    Publication date: April 5, 2012
    Applicant: CATERPILLAR INC.
    Inventors: Jeffrey R. Ries, Christopher J. Salvador, Randall W. Heibenthal, Dennis M. Deedrich, Richard J. Eisenmenger
  • Patent number: D646350
    Type: Grant
    Filed: October 1, 2010
    Date of Patent: October 4, 2011
    Assignees: Caterpillar Inc., Advanced Filtration Systems Inc., Donaldson Company Inc.
    Inventors: Christopher J. Salvador, Randall W. Heibenthal, Dennis M. Deedrich, David B. Harder, John R. Hacker, Richard J. Eisenmenger
  • Patent number: D646750
    Type: Grant
    Filed: October 1, 2010
    Date of Patent: October 11, 2011
    Assignees: Caterpillar Inc., Advanced Filtration Systems Inc., Donaldson Company Inc.
    Inventors: Christopher J. Salvador, Randall W. Heibenthal, Dennis M. Deedrich, David B. Harder, John R. Hacker, Richard J. Eisenmenger
  • Patent number: D646751
    Type: Grant
    Filed: May 19, 2011
    Date of Patent: October 11, 2011
    Assignees: Caterpillar Inc., Advanced Filtration Systems Inc., Donaldson Company Inc.
    Inventors: Christopher J. Salvador, Randall W. Heibenthal, Dennis M. Deedrich, David B. Harder, John R. Hacker, Richard J. Eisenmenger
  • Patent number: D648822
    Type: Grant
    Filed: October 1, 2010
    Date of Patent: November 15, 2011
    Assignees: Caterpillar Inc., Advanced Filtration Systems Inc., Donaldson Company Inc.
    Inventors: Christopher J. Salvador, Randall W. Heibenthal, Dennis M. Deedrich, David B. Harder, John R. Hacker, Richard J. Eisenmenger
  • Patent number: D655376
    Type: Grant
    Filed: May 19, 2011
    Date of Patent: March 6, 2012
    Assignees: Caterpillar Inc., Advanced Filtration Systems Inc., Donaldson Company Inc.
    Inventors: Christopher J. Salvador, Randall W. Heibenthal, Dennis M. Deedrich, David B. Harder, John R. Hacker, Richard J. Eisenmenger
  • Patent number: D655781
    Type: Grant
    Filed: May 19, 2011
    Date of Patent: March 13, 2012
    Assignees: Caterpillar Inc., Advanced Filtration Systems Inc, Donaldson Company Inc.
    Inventors: Christopher J. Salvador, Randall W. Heibenthal, Dennis M. Deedrich, David B. Harder, John R. Hacker, Richard J. Eisenmenger
  • Patent number: D656577
    Type: Grant
    Filed: May 19, 2011
    Date of Patent: March 27, 2012
    Assignees: Caterpillar Inc., Advanced Filtration Systems Inc., Donaldson Company Inc.
    Inventors: Christopher J. Salvador, Randall W. Heibenthal, Dennis M. Deedrich, David B. Harder, John R. Hacker, Richard J. Eisenmenger