Patents by Inventor Weston H. Gerwin
Weston H. Gerwin 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: 20140230224Abstract: An improved oil filter, for use with an internal combustion engine, comprises a hollow filter housing defining a chamber therein and having an inlet and an outlet with a flow path therebetween; a mechanically active filter member disposed inside the filter housing in the flow path; and a chemically active filter member disposed inside the filter housing in the flow path. The chemically active filter member comprises a plurality of composite oil additive pellets. The plurality of pellets is interconnected to form a substantially integral permeable member, and the substantially integral permeable member is impregnated with an alkaline composition. The alkaline composition is provided to counteract acidic combustion products in lubricating oil in an internal combustion engine.Type: ApplicationFiled: April 29, 2014Publication date: August 21, 2014Applicant: Fram Group IP LLCInventors: Peter D. Unger, Ronald P. Rohrbach, Zafar Hussain, Weston H. Gerwin, Brian K. Artz, Daniel E. Bause
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Patent number: 8795522Abstract: An improved oil filter, for use with an internal combustion engine, comprises a hollow filter housing defining a chamber therein and having an inlet and an outlet with a flow path therebetween; a mechanically active filter member disposed inside the filter housing in the flow path; and a chemically active filter member disposed inside the filter housing in the flow path. The chemically active filter member comprises a plurality of composite oil additive pellets. The plurality of pellets is interconnected to form a substantially integral permeable member, and the substantially integral permeable member is impregnated with an alkaline composition. The alkaline composition is provided to counteract acidic combustion products in lubricating oil in an internal combustion engine.Type: GrantFiled: March 14, 2008Date of Patent: August 5, 2014Assignee: Fram Group IP LLCInventors: Peter D. Unger, Ronald P. Rohrbach, Zafar Hussain, Weston H. Gerwin, Brian K. Artz, Daniel E. Bause
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Patent number: 8388838Abstract: A filter, comprising: a housing defining an inlet fluid opening and an outlet fluid opening, the inlet fluid opening and the outlet fluid opening defining a fluid path through the filter; a filter element disposed inside the filter housing, the filter element being disposed in the flow path such that fluid flowing through the flow path must pass through the filter element; and a dispersement device disposed within the housing, the dispersement device comprising a housing having at least one chamber for an additive disposed within the at least one chamber, the dispersement device further comprises a metering opening that is sealed with an oil soluble material the metering opening being in fluid communication with the at least one chamber when the oil soluble material is removed from the metering opening.Type: GrantFiled: August 25, 2009Date of Patent: March 5, 2013Assignee: Fram Group IP LLCInventors: Weston H. Gerwin, Michael S. Lynch, Nageswara R. Cheekala, Zafar Hussain, Ronald P. Rohrbach, Daniel E. Bause, Peter D Unger
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Publication number: 20130026039Abstract: A method for removing soot, sludge, varnish and other insoluble particulates from engine oil, the method including the steps of: disposing an oil containing the particulates between a pair of electrodes, wherein one of the electrodes is a collecting electrode; wrapping a surface of the collecting electrode with a media, wherein the media is configured to collect a portion of the particulates drawn towards the collecting electrode; applying a direct current to the electrodes for a period of time to generate an electric field, wherein the electric field causes a portion of the particulates to agglomerate in the media; and removing the media and the portion of particulates agglomerated in the media to reduce the amount of soot particles in the oil.Type: ApplicationFiled: March 30, 2012Publication date: January 31, 2013Inventors: Daniel Bause, Ronald Rohrbach, Nageswara Rao Cheekala, Brian Artz, Peter Unger, Weston H. Gerwin, Zafar Hussain
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Patent number: 8216461Abstract: Disclosed herein is an apparatus and method for adding a lubricating additive to a diesel fuel.Type: GrantFiled: May 10, 2011Date of Patent: July 10, 2012Assignee: Farm Group IP LLCInventors: Scott J. Tabb, Ronald P. Rohrbach, Gary B. Zulauf, Peter D. Unger, Weston H. Gerwin, Daniel E. Bause, Gerard W. Bilski
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Publication number: 20110277374Abstract: Disclosed herein is an apparatus and method for adding a lubricating additive to a diesel fuel.Type: ApplicationFiled: May 10, 2011Publication date: November 17, 2011Inventors: Scott J. Tabb, Ronald P. Rohrbach, Gary B. Zulauf, Peter D. Unger, Weston H. Gerwin, Daniel E. Bause, Gerard W. Bilski
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Patent number: 7938960Abstract: Disclosed herein is an apparatus and method for adding a lubricating additive to a diesel fuel. In one exemplary embodiment a diesel fuel filter is provided, the diesel fuel filter comprising: a housing having at least one inlet opening and at least one outlet opening configured to define a flow path therethrough; filter media disposed in the flow path; and an additive cartridge configured to disperse a lubricating additive into diesel fuel passing through the filter, wherein the fuel filter comprises an adsorbent comprising an inorganic oxide having a surface acidity characterized by a pKa of less than or equal to ?3.Type: GrantFiled: September 29, 2007Date of Patent: May 10, 2011Assignee: Honeywell International Inc.Inventors: Scott J. Tabb, Ronald P. Rohrbach, Gary B. Zulauf, Peter D. Unger, Weston H. Gerwin, Daniel E. Bause, Gerard W. Bilski
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Publication number: 20100219112Abstract: A filter, comprising: a housing defining an inlet fluid opening and an outlet fluid opening, the inlet fluid opening and the outlet fluid opening defining a fluid path through the filter; a filter element disposed inside the filter housing, the filter element being disposed in the flow path such that fluid flowing through the flow path must pass through the filter element; and a dispersement device disposed within the housing, the dispersement device comprising a housing having at least one chamber for an additive disposed within the at least one chamber, the dispersement device further comprises a metering opening that is sealed with an oil soluble material the metering opening being in fluid communication with the at least one chamber when the oil soluble material is removed from the metering opening.Type: ApplicationFiled: August 25, 2009Publication date: September 2, 2010Inventors: Weston H. Gerwin, Michael S. Lynch, Nageswara R. Cheekala, Zafar Hussain, Ronald P. Rohrbach, Daniel E. Bause, Peter D Unger
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Patent number: 7588691Abstract: A method of supplying an additive in an oil filter, the method including: forming a dispersement device housing with a first chamber and a second chamber, the second chamber being sealed from the first chamber by a pair of dividing walls; sealing a first metering opening with an oil soluble material the first metering opening being in fluid communication with the first chamber when the oil soluble material is removed from the first metering opening; sealing a second metering opening with an oil soluble material the second metering opening being in fluid communication with the second chamber when the oil soluble material is removed from the second metering opening; disposing a first liquid additive within the first chamber; disposing a second liquid additive within the second chamber; sealing the dispersement device housing with a cap, the cap being configured to seal the first chamber and the second chamber within the dispersement device housing; and securing the dispersement device housing to a filter elemenType: GrantFiled: December 24, 2008Date of Patent: September 15, 2009Assignee: Honeywell International Inc.Inventors: Weston H. Gerwin, Michael S. Lynch, Nageswara R. Cheekala, Zafar Hussain, Ronald P. Rohrbach, Daniel E. Bause, Peter D. Unger
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Publication number: 20090101272Abstract: A method of supplying an additive in an oil filter, the method including: forming a dispersement device housing with a first chamber and a second chamber, the second chamber being sealed from the first chamber by a pair of dividing walls; sealing a first metering opening with an oil soluble material the first metering opening being in fluid communication with the first chamber when the oil soluble material is removed from the first metering opening; sealing a second metering opening with an oil soluble material the second metering opening being in fluid communication with the second chamber when the oil soluble material is removed from the second metering opening; disposing a first liquid additive within the first chamber; disposing a second liquid additive within the second chamber; sealing the dispersement device housing with a cap, the cap being configured to seal the first chamber and the second chamber within the dispersement device housing; and securing the dispersement device housing to a filter elemenType: ApplicationFiled: December 24, 2008Publication date: April 23, 2009Inventors: Weston H. Gerwin, Michael S. Lynch, Nageswara R. Cheekala, Zafar Hussain, Ronald P. Rohrbach, Daniel E. Bause, Peter D. Unger
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Patent number: 7481923Abstract: A filter, comprising: a housing defining an inlet fluid opening and an outlet fluid opening, the inlet fluid opening and the outlet fluid opening defining a fluid path through the filter; a filter element disposed inside the filter housing, the filter element being disposed in the flow path such that fluid flowing through the flow path must pass through the filter element; and a dispersement device disposed within the housing, the dispersement device comprising a housing having at least one chamber for an additive disposed within the at least one chamber, the dispersement device further comprises a metering opening that is sealed with an oil soluble material the metering opening being in fluid communication with the at least one chamber when the oil soluble material is removed from the metering opening.Type: GrantFiled: August 28, 2007Date of Patent: January 27, 2009Assignee: Honeywell International Inc.Inventors: Weston H. Gerwin, Michael S. Lynch, Nageswara R. Cheekala, Zafar Hussain, Ronald P. Rohrbach, Daniel E. Bause, Peter D. Unger
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Publication number: 20080223461Abstract: A self-venting drain valve for draining liquid from a vessel having an end opening through which liquid may drain and gas may simultaneously enter. The drain valve comprises a body portion and a stem portion. The body portion having a substantially tubular, internally threaded section and a vent permitting gas to enter. The stem portion has an externally threaded section and an aperture where liquid is permitted to drain from the vessel. The stem portion can be closed by engaging the externally threaded section with the internally threaded section, thereby preventing liquid and gas flow by sealing the vent and the aperture.Type: ApplicationFiled: March 14, 2008Publication date: September 18, 2008Inventors: Weston H. Gerwin, Michael S. Lynch
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Publication number: 20080223780Abstract: An improved oil filter, for use with an internal combustion engine, comprises a hollow filter housing defining a chamber therein and having an inlet and an outlet with a flow path therebetween; a mechanically active filter member disposed inside the filter housing in the flow path; and a chemically active filter member disposed inside the filter housing in the flow path. The chemically active filter member comprises a plurality of composite oil additive pellets. The plurality of pellets is interconnected to form a substantially integral permeable member, and the substantially integral permeable member is impregnated with an alkaline composition. The alkaline composition is provided to counteract acidic combustion products in lubricating oil in an internal combustion engine.Type: ApplicationFiled: March 14, 2008Publication date: September 18, 2008Inventors: Peter D. Unger, Ronald P. Rohrbach, Zafar Hussain, Weston H. Gerwin, Brian K. Artz, Daniel E. Bause
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Publication number: 20080210611Abstract: Disclosed herein is an apparatus and method for adding a lubricating additive to a diesel fuel. In one exemplary embodiment a diesel fuel filter is provided, the diesel fuel filter comprising: a housing having at least one inlet opening and at least one outlet opening configured to define a flow path therethrough; filter media disposed in the flow path; and an additive cartridge configured to disperse a lubricating additive into diesel fuel passing through the filter.Type: ApplicationFiled: September 29, 2007Publication date: September 4, 2008Inventors: Scott J. Tabb, Ronald P. Rohrbach, Gary B. Zulauf, Peter D. Unger, Weston H. Gerwin, Daniel E. Bause, Gerard W. Bilski
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Publication number: 20080047893Abstract: A fluid filter, comprising: a housing defining an inner cavity; an end plate secured to the housing, the end plate having a plurality of inlet openings and at least one outlet opening; an end disk disposed within the housing, the end disk having portions in a spaced relationship with respect to the end plate and an interior surface of the housing; a filtration media disposed within the housing and secured to the end disk, the filtration media comprising a first layer of filtration media, the first layer of filtration media being thermoformed to have a plurality of channels with an upper surface and a lower surface; a second layer of filtration media, the second layer of filtration media being secured to the lower surface of the first layer to form a plurality of inlet openings at one end of the first and second layers of filtration media and a sealed outlet disposed at another end of the first and second layers of filtration media, the another end comprising a substantially flat configuration; and a strip ofType: ApplicationFiled: August 25, 2007Publication date: February 28, 2008Inventors: Weston H. Gerwin, Michael S. Lynch, Christopher R. Reamsnyder, Donald W. Baldwin, Eric J. Schramm