Patents by Inventor Edward P. Cox
Edward P. Cox 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: 11280411Abstract: The present disclosure discloses a multi-component valve system for use in pumps such as fracking pumps for use in subterranean resource production. The assembly includes an insert retainer having a retainer head and a retainer pin. The retainer pin has an upper section extending below the retainer head and a grooved center section below the upper section. A valve is centered on the upper section of the retainer pin. An insert is located on the valve. A guide has a central portion centered on the upper section of the retainer pin and four legs extending from the central portion. A collar has a flange and a collar body that is swaged into the center section of the retainer pin.Type: GrantFiled: September 1, 2020Date of Patent: March 22, 2022Assignee: ValveWorks, LLCInventors: Daniel E. Johnson, Edward P. Cox, Starr L. Pitzer, Jr.
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Publication number: 20220065353Abstract: The present disclosure discloses a multi-component valve system for use in pumps such as fracking pumps for use in subterranean resource production. The assembly includes an insert retainer having a retainer head and a retainer pin. The retainer pin has an upper section extending below the retainer head and a grooved center section below the upper section. A valve is centered on the upper section of the retainer pin. An insert is located on the valve. A guide has a central portion centered on the upper section of the retainer pin and four legs extending from the central portion. A collar has a flange and a collar body that is swaged into the center section of the retainer pin.Type: ApplicationFiled: September 1, 2020Publication date: March 3, 2022Applicant: ValveWorks, LLCInventors: Daniel E. Johnson, Edward P. Cox, Starr L. Pitzer, JR.
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Publication number: 20210048020Abstract: The present disclosure discloses a multi-component valve system for use in pumps such as fracking pumps for use in subterranean resource production. The assembly includes an insert retainer having a retainer head and a retainer pin. The retainer pin has an upper section extending below the retainer head and a grooved center section below the upper section. A valve is centered on the upper section of the retainer pin. An insert is located on the valve. A guide has a central portion centered on the upper section of the retainer pin and four legs extending from the central portion. A collar has a flange and a collar body that is swaged into the center section of the retainer pin.Type: ApplicationFiled: September 1, 2020Publication date: February 18, 2021Applicant: ValveWorks, LLCInventors: Daniel E. Johnson, Edward P. Cox, Starr L. Pitzer, JR.
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Patent number: 10760568Abstract: The present disclosure discloses a multi-component valve system for use in pumps such as fracking pumps for use in subterranean resource production. The assembly includes a retaining pin having a retaining cap on its upper end. Located on the retaining pin are an insert retainer, an insert beneath the insert retainer, a valve beneath the insert, and a guide beneath the valve. The guide has a generally truncated pyramid shape, and a central portion on its upper end. The central portion is centered on the retaining pin. The retaining pin has an expanded lower end to secure the valve assembly together.Type: GrantFiled: August 14, 2017Date of Patent: September 1, 2020Assignee: ValveWorks, LLCInventors: Daniel E. Johnson, Edward P. Cox, Starr L. Pitzer, Jr.
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Publication number: 20170356440Abstract: The present disclosure discloses a multi-component valve system for use in pumps such as fracking pumps for use in subterranean resource production. The assembly includes a retaining pin having a retaining cap on its upper end. Located on the retaining pin are an insert retainer, an insert beneath the insert retainer, a valve beneath the insert, and a guide beneath the valve. The guide has a generally truncated pyramid shape, and a central portion on its upper end. The central portion is centered on the retaining pin. The retaining pin has an expanded lower end to secure the valve assembly together.Type: ApplicationFiled: August 14, 2017Publication date: December 14, 2017Applicant: ValveWorks, LLCInventors: Daniel E. Johnson, Edward P. Cox, Starr L. Pitzer, JR.
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Publication number: 20170037847Abstract: The present invention discloses a multi-component valve system for use in pumps such as fracking pumps for use in subterranean resource production. The assembly includes a retaining pin, a guide on the retaining pin, a valve on the retaining pin, an insert on the retaining pin, a retainer above the insert on the retaining pin, and a retainer cap inertia welded to the end of the retaining pin. In a particular embodiment, the guide component is stamped and folded to create the desired shape.Type: ApplicationFiled: October 18, 2016Publication date: February 9, 2017Applicant: ValveWorks, LLCInventors: Daniel E. Johnson, Edward P. Cox, Starr L. Pitzer
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Patent number: 9470226Abstract: The present invention discloses a multi-component valve system for use in pumps such as fracking pumps for use in subterranean resource production. The assembly includes a retaining pin, a guide on the retaining pin, a valve on the retaining pin, an insert on the retaining pin, a retainer above the insert on the retaining pin, and a retainer cap inertia welded to the end of the retaining pin. In a particular embodiment, the guide component is stamped and folded to create the desired shape.Type: GrantFiled: March 14, 2014Date of Patent: October 18, 2016Assignee: ValveWorks, LLCInventors: Daniel E. Johnson, Edward P. Cox, Starr L. Pitzer, Jr.
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Publication number: 20140264133Abstract: The present invention discloses a multi-component valve system for use in pumps such as fracking pumps for use in subterranean resource production. The assembly includes a retaining pin, a guide on the retaining pin, a valve on the retaining pin, an insert on the retaining pin, a retainer above the insert on the retaining pin, and a retainer cap inertia welded to the end of the retaining pin. In a particular embodiment, the guide component is stamped and folded to create the desired shape.Type: ApplicationFiled: March 14, 2014Publication date: September 18, 2014Applicant: ValveWorks, LLCInventors: Daniel E. Johnson, Edward P. Cox, Starr L. Pitzer, JR.