Patents by Inventor Starr L. Pitzer, JR.

Starr L. Pitzer, 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).

  • Patent number: 11280411
    Abstract: 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: Grant
    Filed: September 1, 2020
    Date of Patent: March 22, 2022
    Assignee: ValveWorks, LLC
    Inventors: Daniel E. Johnson, Edward P. Cox, Starr L. Pitzer, Jr.
  • Publication number: 20220065353
    Abstract: 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: Application
    Filed: September 1, 2020
    Publication date: March 3, 2022
    Applicant: ValveWorks, LLC
    Inventors: Daniel E. Johnson, Edward P. Cox, Starr L. Pitzer, JR.
  • Publication number: 20210048020
    Abstract: 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: Application
    Filed: September 1, 2020
    Publication date: February 18, 2021
    Applicant: ValveWorks, LLC
    Inventors: Daniel E. Johnson, Edward P. Cox, Starr L. Pitzer, JR.
  • Patent number: 10760568
    Abstract: 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: Grant
    Filed: August 14, 2017
    Date of Patent: September 1, 2020
    Assignee: ValveWorks, LLC
    Inventors: Daniel E. Johnson, Edward P. Cox, Starr L. Pitzer, Jr.
  • Publication number: 20170356440
    Abstract: 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: Application
    Filed: August 14, 2017
    Publication date: December 14, 2017
    Applicant: ValveWorks, LLC
    Inventors: Daniel E. Johnson, Edward P. Cox, Starr L. Pitzer, JR.
  • Patent number: 9470226
    Abstract: 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: Grant
    Filed: March 14, 2014
    Date of Patent: October 18, 2016
    Assignee: ValveWorks, LLC
    Inventors: Daniel E. Johnson, Edward P. Cox, Starr L. Pitzer, Jr.
  • Publication number: 20140264133
    Abstract: 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: Application
    Filed: March 14, 2014
    Publication date: September 18, 2014
    Applicant: ValveWorks, LLC
    Inventors: Daniel E. Johnson, Edward P. Cox, Starr L. Pitzer, JR.
  • Patent number: D1011562
    Type: Grant
    Filed: April 28, 2022
    Date of Patent: January 16, 2024
    Inventors: Starr L. Pitzer, Jr., Rees Tate Bowen, IV
  • Patent number: D1012328
    Type: Grant
    Filed: April 28, 2022
    Date of Patent: January 23, 2024
    Inventors: Starr L. Pitzer, Jr., Rees Tate Bowen, IV
  • Patent number: D1012329
    Type: Grant
    Filed: April 28, 2022
    Date of Patent: January 23, 2024
    Inventors: Starr L. Pitzer, Jr., Rees Tate Bowen, IV