Patents by Inventor William C. Ward, Jr.
William C. Ward, Jr. 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: 10913915Abstract: The present invention relates to a lubricating composition containing (a) an oil of lubricating viscosity; and (b) a compound selected from the group consisting of: (i) an ester-containing heterocycle; (ii) an amide-containing heterocycle; and (iii) a pyrimidine, wherein the ester-containing heterocycle and the amide-containing heterocycle have a hydrocarbyl group containing 6 to 40 carbon atoms. The invention further provides for a method of supplying an internal combustion engine with the lubricating composition.Type: GrantFiled: December 20, 2019Date of Patent: February 9, 2021Assignee: The Lubrizol CorporationInventors: Patrick E. Mosier, Jason R. Brown, Matthew D. Gieselman, Calvin W. Schroeck, Seth L. Crawley, William R. S. Barton, William C. Ward, Jr.
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Publication number: 20200123463Abstract: The present invention relates to a lubricating composition containing (a) an oil of lubricating viscosity; and (b) a compound selected from the group consisting of: (i) an ester-containing heterocycle; (ii) an amide-containing heterocycle; and (iii) a pyrimidine, wherein the ester-containing heterocycle and the amide-containing heterocycle have a hydrocarbyl group containing 6 to 40 carbon atoms. The invention further provides for a method of supplying an internal combustion engine with the lubricating composition.Type: ApplicationFiled: December 20, 2019Publication date: April 23, 2020Applicant: The Lubrizol CorporationInventors: Patrick E. Mosier, Jason R. Brown, Matthew D. Gieselman, Calvin W. Schroeck, Seth L. Crawley, William R.S. Barton, William C. Ward, JR.
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Patent number: 10550348Abstract: The present invention relates to a lubricating composition containing (a) an oil of lubricating viscosity; and (b) a compound selected from the group consisting of: (i) an ester-containing heterocycle; (ii) an amide-containing heterocycle; and (iii) a pyrimidine, wherein the ester-containing heterocycle and the amide-containing heterocycle have a hydrocarbyl group containing 6 to 40 carbon atoms. The invention further provides for a method of supplying an internal combustion engine with the lubricating composition.Type: GrantFiled: April 24, 2018Date of Patent: February 4, 2020Assignee: The Lubrizol CorporationInventors: Patrick E. Mosier, Jason R. Brown, Matthew D. Gieselman, Calvin W. Schroeck, Seth L. Crawley, William R. S. Barton, William C. Ward, Jr.
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Publication number: 20180237715Abstract: The present invention relates to a lubricating composition containing (a) an oil of lubricating viscosity; and(b) a compound selected from the group consisting of: (i) an ester-containing heterocycle; (ii) an amide-containing heterocycle; and (iii) a pyrimidine, wherein the ester-containing heterocycle and the amide-containing heterocycle have a hydrocarbyl group containing 6 to 40 carbon atoms. The invention further provides for a method of supplying an internal combustion engine with the lubricating composition.Type: ApplicationFiled: April 24, 2018Publication date: August 23, 2018Inventors: Patrick E. Mosier, Jason R. Brown, Matthew D. Gieselman, Calvin W. Schroeck, Seth L. Crawley, William R. S. Barton, William C. Ward, JR.
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Patent number: 9982210Abstract: The present invention relates to a lubricating composition containing (a) an oil of lubricating viscosity; and (b) a compound selected from the group consisting of: (i) an ester-containing heterocycle; (ii) an amide-containing heterocycle; and (iii) a pyrimidine, wherein the ester-containing heterocycle and the amide-containing heterocycle have a hydrocarbyl group containing 6 to 40 carbon atoms. The invention further provides for a method of supplying an internal combustion engine with the lubricating composition.Type: GrantFiled: September 19, 2013Date of Patent: May 29, 2018Assignee: The Lubrizol CorporationInventors: Patrick E. Mosier, Jason R. Brown, Matthew D. Gieselman, Calvin W. Schroeck, Seth L. Crawley, William R. S. Barton, William C. Ward, Jr.
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Publication number: 20140018268Abstract: The present invention relates to a lubricating composition containing (a) an oil of lubricating viscosity; and (b) a compound selected from the group consisting of: (i) an ester-containing heterocycle; (ii) an amide-containing heterocycle; and (iii) a pyrimidine, wherein the ester-containing heterocycle and the amide-containing heterocycle have a hydrocarbyl group containing 6 to 40 carbon atoms. The invention further provides for a method of supplying an internal combustion engine with the lubricating composition.Type: ApplicationFiled: September 19, 2013Publication date: January 16, 2014Inventors: Patrick E. Mosier, Jason R. Brown, Matthew D. Gieselman, Calvin W. Schroeck, Seth L. Crawley, William R. S. Barton, William C. Ward, JR.
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Patent number: 8536103Abstract: A liquid extreme pressure agent for use in lubricating compositions where the lubricating compositions comprise an oil of lubricating viscosity and the reaction product of: (a) a thiazole; (b) a composition comprising a carboxylic acid, a phosphorus containing acid or salt, or combinations thereof; and (c) an amine containing one or more branched hydrocarbyl groups. The invention also provides an additive composition comprising the reaction product described above and a process for making lubricating compositions, including greases, from the reaction product.Type: GrantFiled: February 25, 2009Date of Patent: September 17, 2013Inventors: Richard A. Denis, Matthew R. Sivik, William C. Ward, Jr.
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Publication number: 20110028363Abstract: A liquid extreme pressure agent for use in lubricating compositions where the lubricating compositions comprise an oil of lubricating viscosity and the reaction product of: (a) a thiazole; (b) a composition comprising a carboxylic acid, a phosphorus containing acid or salt, or combinations thereof; and (c) an amine containing one or more branched hydrocarbyl groups. The invention also provides an additive composition comprising the reaction product described above and a process for making lubricating compositions, including greases, from the reaction product.Type: ApplicationFiled: February 25, 2009Publication date: February 3, 2011Inventors: Richard A. Denis, Matthew R. Sivik, William C. Ward, JR.
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Patent number: 7737092Abstract: A composition suitable for use as a lubricant for a transmission includes an oil of lubricating viscosity; a dispersant; a calcium detergent; a magnesium detergent; and an inorganic phosphorus compound. At least one of the dispersant or detergent components is borated.Type: GrantFiled: May 7, 2003Date of Patent: June 15, 2010Assignee: The Lubrizol CorporationInventors: William C. Ward, Jr., Carlos L. Cerda de Groote, Masahiko Ikeda, Denise R. Vermilya
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Patent number: 6528458Abstract: Compositions comprising (a) an oil of lubricating viscosity; (b) 2,5-dimercapto-1,3,4-thiadiazole (DMTD), a derivative of DMTD, or mixtures thereof; (c) a friction modifier; and (d) a dispersant, are useful for lubricating a transmission having a plurality of wet clutches and a plurality of partial power transmission shafts, wherein shifting of gears occurs by a process comprising synchronization of an engaged and a non-engaged partial transmission shaft and engagement of a wet clutch.Type: GrantFiled: April 19, 2002Date of Patent: March 4, 2003Assignee: The Lubrizol CorporationInventors: Thomas A. Tagliamonte, Craig D. Tipton, William C. Ward, Jr.
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Patent number: 6251840Abstract: A lubricating/functional fluid composition which exhibits in use improved antiwear and antifoaming properties. The improvements result from use of 2,5-dimercapto-1,3,4-thiadiazole and derivatives thereof together with silicone and/or fluorosilicone antifoam agents.Type: GrantFiled: January 14, 1997Date of Patent: June 26, 2001Assignee: The Lubrizol CorporationInventors: William C. Ward, Jr., Craig D. Tipton, Kathleen A. Murray
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Patent number: 6103673Abstract: A composition comprising of an oil of lubricating viscosity; a shear stable viscosity modifier; at least 0.1 percent by weight of an overbased metal salt; at least 0.1 percent by weight of at least one phosphorus compound; and 0.1 to 0.25 percent by weight of a combination of at least two friction modifiers provides an improved fluid for continuously variable transmissions. At least one of the friction modifiers is selected from the group consisting of zinc salts of fatty acids having at least 10 carbon atoms, hydrocarbyl imidazolines containing at least 12 carbon atoms in the hydrocarbyl group, and borated epoxides. The total amount of the friction modifiers is limited to those amounts which provide a metal-to-metal coefficient of friction of at least about 0.120 as measured at 110.degree. C. by ASTM-G-77.Type: GrantFiled: September 14, 1998Date of Patent: August 15, 2000Assignee: The Lubrizol CorporationInventors: James L. Sumiejski, William C. Ward, Jr.
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Patent number: 5827070Abstract: The present invention provides a system and method for computer based testing. The system of the present invention comprises a test development system for producing a computerized test, a test delivery system for delivering the computerized test to an examinee, and a workstation on which the computerized test is delivered to the examinee. The method of the present invention comprises producing a computerized test, delivering the computerized test to an examinee and recording examinee responses to questions presented to the examinee during the delivery of the computerized test. A method of producing a computerized test is also provided. This method comprises preparing a test document of items, computerizing each item, preparing scripts and other test components and packaging the items, scripts and other test components together to form the computerized test.Type: GrantFiled: June 7, 1995Date of Patent: October 27, 1998Assignee: Educational Testing ServiceInventors: Roger C. Kershaw, Frank J. Romano, Leonard C. Swanson, William C. Ward, Jr.
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Patent number: 5565316Abstract: The present invention provides a system and method for computer based testing. The system of the present invention comprises a test development system for producing a computerized test, a test delivery system for delivering the computerized test to an examinee, and a workstation on which the computerized test is delivered to the examinee. The method of the present invention comprises producing a computerized test, delivering the computerized test to an examinee and recording examinee responses to questions presented to the examinee during the delivery of the computerized test. A method of producing a computerized test is also provided. This method comprises preparing a test document of items, computerizing each item, preparing scripts and other test components and packaging the items, scripts and other test components together to form the computerized test.Type: GrantFiled: June 22, 1993Date of Patent: October 15, 1996Assignee: Educational Testing ServiceInventors: Roger C. Kershaw, Frank J. Romano, Leonard C. Swanson, William C. Ward, Jr.
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Patent number: 4846983Abstract: Novel molybdenum or tungsten thiocarbamate additives for functional fluids, e.g., lubricating oils, automatic transmission fluids (ATF), as well as fuel compositions, have been developed. The molybdenum or tungsten carbamate compositions, compounds, complexes and oligomers of the present invention are derived from at least one hydrocarbyl primary amine and impart improved anti-wear properties, anti-oxidant properties, extreme pressure properties and friction modifying properties in functional fluids for internal combustion engines.Type: GrantFiled: February 21, 1986Date of Patent: July 11, 1989Assignee: The Lubrizol Corp.Inventor: William C. Ward, Jr.
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Patent number: 4740321Abstract: Lubricating oils are described which are useful in two-cycle engines. These oils contain a minor amount of at least one phenolic compound of the general formula:(R).sub.a --AR--(OH).sub.b, or salts thereof,wherein R is a substantially saturated, hydrocarbon-based group of an average of at least 10 aliphatic carbon atoms; a and b are each independently an integer of one up to three times the number of aromatic nuclei present in Ar with the proviso that the sum of a and b does not exceed the unsatisfied valences of Ar; and Ar is a linked polynuclear moiety wherein the bridging linkages are sulfur-containing moieties, having 0 to 3 optional substituents consisting of lower alkyl, lower alkoxyl, methylol or lower hydrocarbon-based substituted methylol, halo and combinations of two or more of said optional substituents.Type: GrantFiled: April 10, 1986Date of Patent: April 26, 1988Assignee: The Lubrizol CorporationInventors: Kirk E. Davis, William C. Ward, Jr.