Patents by Inventor Jerry L. Corkran
Jerry L. Corkran 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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Patent number: 8617434Abstract: A dielectric fluid comprising hydrocarbon liquid admixed with an ester-based compound, wherein the ester-based compound is present in an effective amount to impart breakdown inhibiting properties to a paper insulation material when the dielectric fluid is in contact with the paper material.Type: GrantFiled: December 21, 2012Date of Patent: December 31, 2013Assignee: Cooper Industries, LLCInventors: Kevin J. Rapp, Jerry L. Corkran, Gary A. Gauger, Charles P. McShane
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Patent number: 8361351Abstract: A dielectric fluid comprising hydrocarbon liquid admixed with an ester-based compound, wherein the ester-based compound is present in an effective amount to impart breakdown inhibiting properties to a paper insulation material when the dielectric fluid is in contact with the paper material.Type: GrantFiled: January 13, 2012Date of Patent: January 29, 2013Assignee: Cooper Industries, Inc.Inventors: Kevin J. Rapp, Jerry L. Corkran, Gary A. Gauger, Charles Patrick McShane
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Publication number: 20120139679Abstract: A dielectric fluid comprising hydrocarbon liquid admixed with an ester-based compound, wherein the ester-based compound is present in an effective amount to impart breakdown inhibiting properties to a paper insulation material when the dielectric fluid is in contact with the paper material.Type: ApplicationFiled: January 13, 2012Publication date: June 7, 2012Applicant: Cooper Industries, Inc.Inventors: Kevin J. Rapp, Jerry L. Corkran, Gary A. Gauger, C. Patrick McShane
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Patent number: 8097187Abstract: A dielectric fluid comprising hydrocarbon liquid admixed with an ester-based compound, wherein the ester-based compound is present in an effective amount to impart breakdown inhibiting properties to a paper insulation material when the dielectric fluid is in contact with the paper material.Type: GrantFiled: September 23, 2010Date of Patent: January 17, 2012Assignee: Cooper Industries, Inc.Inventors: Kevin J. Rapp, Jerry L. Corkran, Gary A. Gauger, Charles Patrick McShane
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Publication number: 20110012071Abstract: A dielectric fluid comprising hydrocarbon liquid admixed with an ester-based compound, wherein the ester-based compound is present in an effective amount to impart breakdown inhibiting properties to a paper insulation material when the dielectric fluid is in contact with the paper material.Type: ApplicationFiled: September 23, 2010Publication date: January 20, 2011Applicant: Cooper Industries, Inc.Inventors: Kevin J. RAPP, Jerry L. CORKRAN, Gary A. GAUGER, C. Patrick MCSHANE
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Patent number: 7871546Abstract: In one aspect, the present invention provides a dielectric fluid for use in electrical equipment comprising a vegetable oil or vegetable oil blend. In another aspect the invention provides devices for generating and distributing electrical energy that incorporate a dielectric fluid comprising a vegetable oil or vegetable oil blend. Methods of retrofilling electrical equipment with vegetable oil based dielectric fluids also are provided.Type: GrantFiled: December 21, 2009Date of Patent: January 18, 2011Assignee: Cooper Industries, Inc.Inventors: Jerry L. Corkran, Charles Patrick McShane, Kevin J. Rapp, Gary A. Gauger, Richard A. Harthun
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Patent number: 7815821Abstract: A dielectric fluid comprising hydrocarbon liquid admixed with an ester-based compound, wherein the ester-based compound is present in an effective amount to impart breakdown inhibiting properties to a paper insulation material when the dielectric fluid is in contact with the paper material.Type: GrantFiled: April 13, 2009Date of Patent: October 19, 2010Assignee: Cooper Industries, Inc.Inventors: Kevin J. Rapp, Jerry L. Corkran, Gary A. Gauger, Charles Patrick McShane
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Publication number: 20100097167Abstract: In one aspect, the present invention provides a dielectric fluid for use in electrical equipment comprising a vegetable oil or vegetable oil blend. In another aspect the invention provides devices for generating and distributing electrical energy that incorporate a dielectric fluid comprising a vegetable oil or vegetable oil blend. Methods of retrofilling electrical equipment with vegetable oil based dielectric fluids also are provided.Type: ApplicationFiled: December 21, 2009Publication date: April 22, 2010Applicant: Cooper Industries, Inc.Inventors: Jerry L. Corkran, C. Patrick McShane, Kevin J. Rapp, Gary A. Gauger, Richard A. Harthun
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Patent number: 7651641Abstract: In one aspect, the present invention provides a dielectric fluid for use in electrical equipment comprising a vegetable oil or vegetable oil blend. In another aspect the invention provides devices for generating and distributing electrical energy that incorporate a dielectric fluid comprising a vegetable oil or vegetable oil blend. Methods of retrofilling electrical equipment with vegetable oil based dielectric fluids also are provided.Type: GrantFiled: October 12, 2004Date of Patent: January 26, 2010Assignee: Cooper Industries, Inc.Inventors: Jerry L. Corkran, C. Patrick McShane, Kevin J. Rapp, Gary A. Gauger, Richard A. Harthun
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Publication number: 20090194748Abstract: A dielectric fluid comprising hydrocarbon liquid admixed with an ester-based compound, wherein the ester-based compound is present in an effective amount to impart breakdown inhibiting properties to a paper insulation material when the dielectric fluid is in contact with the paper material.Type: ApplicationFiled: April 13, 2009Publication date: August 6, 2009Applicant: Cooper Industries, Inc.Inventors: Kevin J. Rapp, Jerry L. Corkran, Gary A. Gauger, C. Patrick McShane
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Patent number: 7524440Abstract: A dielectric fluid comprising hydrocarbon liquid admixed with an ester-based compound, wherein the ester-based compound is present in an effective amount to impart breakdown inhibiting properties to a paper insulation material when the dielectric fluid is in contact with the paper material.Type: GrantFiled: October 2, 2003Date of Patent: April 28, 2009Assignee: Cooper Industries, Inc.Inventors: Kevin J. Rapp, Jerry L. Corkran, Gary A. Gauger, C. Patrick McShane
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Patent number: 6905638Abstract: In one aspect, the present invention provides a dielectric fluid for use in electrical equipment comprising a vegetable oil or vegetable oil blend. In another aspect the invention provides devices for generating and distributing electrical energy that incorporate a dielectric fluid comprising a vegetable oil or vegetable oil blend. Methods of retrofilling electrical equipment with vegetable oil based dielectric fluids also are provided.Type: GrantFiled: July 15, 2003Date of Patent: June 14, 2005Assignee: Cooper Industries, Inc.Inventors: Jerry L. Corkran, C. Patrick McShane, Kevin J. Rapp, Gary A. Gauger, Richard A. Harthun
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Publication number: 20040069975Abstract: In one aspect, the present invention provides a dielectric fluid for use in electrical equipment comprising a vegetable oil or vegetable oil blend. In another aspect the invention provides devices for generating and distributing electrical energy that incorporate a dielectric fluid comprising a vegetable oil or vegetable oil blend. Methods of retrofilling electrical equipment with vegetable oil based dielectric fluids also are provided.Type: ApplicationFiled: July 15, 2003Publication date: April 15, 2004Applicant: Cooper Industries, a Ohio corporationInventors: Jerry L. Corkran, C. Patrick Mcshane, Kevin J. Rapp, Gary A. Gauger, Richard A. Harthun
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Patent number: 6613250Abstract: In one aspect, the present invention provides a dielectric fluid for use in electrical equipment comprising a vegetable oil or vegetable oil blend. In another aspect the invention provides devices for generating and distributing electrical energy that incorporate a dielectric fluid comprising a vegetable oil or vegetable oil blend. Methods of retrofilling electrical equipment with vegetable oil based dielectric fluids also are provided.Type: GrantFiled: April 4, 2002Date of Patent: September 2, 2003Assignee: Cooper Industries, Inc.Inventors: C. Patrick McShane, Jerry L. Corkran, Richard A. Harthun, Gary A. Gauger, Kevin J. Rapp
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Publication number: 20020109128Abstract: In one aspect, the present invention provides a dielectric fluid for use in electrical equipment comprising a vegetable oil or vegetable oil blend. In another aspect the invention provides devices for generating and distributing electrical energy that incorporate a dielectric fluid comprising a vegetable oil or vegetable oil blend. Methods of retrofilling electrical equipment with vegetable oil based dielectric fluids also are provided.Type: ApplicationFiled: April 4, 2002Publication date: August 15, 2002Inventors: C. Patrick McShane, Jerry L. Corkran, Richard A. Harthun, Gary A. Gauger, Kevin J. Rapp
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Patent number: 6398986Abstract: In one aspect, the present invention provides a dielectric fluid for use in electrical equipment comprising a vegetable oil or vegetable oil blend. In another aspect the invention provides devices for generating and distributing electrical energy that incorporate a dielectric fluid comprising a vegetable oil or vegetable oil blend. Methods of retrofilling electrical equipment with vegetable oil based dielectric fluids also are provided.Type: GrantFiled: April 9, 1999Date of Patent: June 4, 2002Assignee: Cooper Industries, IncInventors: C. Patrick McShane, Jerry L. Corkran, Richard A. Harthun, Gary A. Gauger, Kevin J. Rapp
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Patent number: 6352655Abstract: A dielectric fluid system for use in electrical equipment comprising a dielectric fluid comprising vegetable oil and an oxidation reducing composition encased in a housing composed of a polymeric material that is substantially permeable to oxygen. The oxidation reducing composition is placed inside the electrical equipment such that it is in contact with a headspace defined by the dielectric fluid. Devices generating and distributing electrical energy incorporating the above-described dielectric fluid system and method of retrofilling such devices also are provided.Type: GrantFiled: April 9, 1999Date of Patent: March 5, 2002Assignee: Cooper Industries, Inc.Inventors: Charles P. McShane, Jerry L. Corkran, Richard A. Harthun, Gary A. Gauger, Kevin J. Rapp
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Patent number: 6184459Abstract: A transformer is disclosed, including a tank housing a transformer core/coil assembly, a dielectric insulating fluid surrounding the core/coil assembly, the fluid comprising a vegetable oil, an antioxidant dissolved in the oil, and a low temperature additive blended into the oil, wherein the fluid defines a headspace above the fluid. The preferred embodiment includes an oxygen absorbing material contained in the tank and in contact with gases in the tank but isolated from contact with the dielectric fluid, the tank including an opening and a sealed plug in the opening, such that the oxygen absorbing material can be replaced through the opening upon removal of the sealed plug, and further includes a gas permeable polymer container sealed against the opening for supporting the oxygen absorbing material and an indicator in gas contact with the headspace and visible from outside the tank for indicating the presence of oxygen in the headspace.Type: GrantFiled: March 25, 1999Date of Patent: February 6, 2001Assignee: Cooper Industries Inc.Inventors: Charles Patrick McShane, Jerry L. Corkran, Richard A. Harthun, Gary A. Gauger, Kevin J. Rapp, Edgar Howells
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Patent number: 6037537Abstract: A transformer is disclosed, including a tank housing a transformer core/coil assembly, a dielectric insulating fluid surrounding the core/coil assembly, the fluid comprising a vegetable oil, an antioxidant dissolved in the oil, and a low temperature additive blended into the oil, wherein the fluid defines a headspace above the fluid. The preferred embodiment includes an oxygen absorbing material contained in the tank and in contact with gases in the tank but isolated from contact with the dielectric fluid, the tank including an opening and a sealed plug in the opening, such that the oxygen absorbing material can be replaced through the opening upon removal of the sealed plug, and further includes a gas permeable polymer container sealed against the opening for supporting the oxygen absorbing material and an indicator in gas contact with the headspace and visible from outside the tank for indicating the presence of oxygen in the headspace.Type: GrantFiled: October 8, 1996Date of Patent: March 14, 2000Assignee: Cooper Industries, Inc.Inventors: Charles Patrick McShane, Jerry L. Corkran, Richard A. Harthun, Gary A. Gauger, Kevin J. Rapp, Edgar Howells