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).
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Publication number: 20170014734Abstract: 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: ApplicationFiled: July 17, 2015Publication date: January 19, 2017Inventors: CHRISTOPHER J. SALVADOR, RANDALL W. HEIBENTHAL, DENNIS M. DEEDRICH, DAVID B. HARDER, JOHN R. HACKER, RICHARD J. EISENMENGER
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Patent number: 9511314Abstract: 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: GrantFiled: July 29, 2013Date of Patent: December 6, 2016Assignees: 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
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Patent number: 9089795Abstract: 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: GrantFiled: August 23, 2013Date of Patent: July 28, 2015Assignees: 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
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Publication number: 20150151226Abstract: 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: ApplicationFiled: February 6, 2015Publication date: June 4, 2015Applicant: CATERPILLAR INC.Inventors: JEFFREY R. RIES, CHRISTOPHER J. SALVADOR, RANDALL W. HEIBENTHAL, DENNIS M. DEEDRICH, RICHARD J. EISENMENGER
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Patent number: 8973760Abstract: 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: GrantFiled: September 12, 2011Date of Patent: March 10, 2015Assignees: Advanced Filtration Systems, Inc, Caterpillar Inc.Inventors: Jeffrey R. Ries, Christopher Joseph Salvador, Randall W. Heibenthal, Dennis M. Deedrich, Richard J. Eisenmenger
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Publication number: 20130334147Abstract: 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: ApplicationFiled: August 23, 2013Publication date: December 19, 2013Applicants: 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
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Publication number: 20130313183Abstract: 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: ApplicationFiled: July 29, 2013Publication date: November 28, 2013Applicants: 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
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Patent number: 8540080Abstract: 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: GrantFiled: August 7, 2012Date of Patent: September 24, 2013Assignees: 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
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Patent number: 8501003Abstract: 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: GrantFiled: October 1, 2010Date of Patent: August 6, 2013Assignee: 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
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Patent number: 8419938Abstract: 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: GrantFiled: October 1, 2010Date of Patent: April 16, 2013Assignees: 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
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Publication number: 20130033006Abstract: 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: ApplicationFiled: August 7, 2012Publication date: February 7, 2013Inventors: Christopher J. Salvador, Randall W. Heibenthal, Dennis M. Deedrich, David B. Harder, John R. Hacker, Richard Eisenmenger
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Patent number: 8272516Abstract: 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: GrantFiled: November 19, 2007Date of Patent: September 25, 2012Assignees: 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
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Publication number: 20120080372Abstract: 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: ApplicationFiled: September 12, 2011Publication date: April 5, 2012Applicant: CATERPILLAR INC.Inventors: Jeffrey R. Ries, Christopher J. Salvador, Randall W. Heibenthal, Dennis M. Deedrich, Richard J. Eisenmenger
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Patent number: D646350Type: GrantFiled: October 1, 2010Date of Patent: October 4, 2011Assignees: 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
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Patent number: D646750Type: GrantFiled: October 1, 2010Date of Patent: October 11, 2011Assignees: 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
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Patent number: D646751Type: GrantFiled: May 19, 2011Date of Patent: October 11, 2011Assignees: 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
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Patent number: D648822Type: GrantFiled: October 1, 2010Date of Patent: November 15, 2011Assignees: 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
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Patent number: D655376Type: GrantFiled: May 19, 2011Date of Patent: March 6, 2012Assignees: 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
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Patent number: D655781Type: GrantFiled: May 19, 2011Date of Patent: March 13, 2012Assignees: 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
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Patent number: D656577Type: GrantFiled: May 19, 2011Date of Patent: March 27, 2012Assignees: 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