Patents by Inventor Charles D. BREWER

Charles D. BREWER 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).

  • One piece molded post-tension tendon pocket former with push in retention tabs and method of use thereof
    Patent number: 11927012
    Abstract: A one-piece post-tension tendon pocket former includes a pocket section configured to create a pocket in an edge of concrete, a formwork securing mechanism connected to the second end of the pocket section configured to secure the second end of the pocket section to a formwork, and an anchor securing mechanism. The anchor securing mechanism is configured to secure the pocket section to a post-tension tendon anchor with at least one fastener hole and includes an anchor sealing portion and at least one retention tab. The anchor sealing portion is configured to seal the pocket section to the post-tension tendon anchor. Each of the at least one retention tab extends from a side of the pocket section and is configured to be secured in one of the at least one fastener holes for securing the seal between the anchor sealing portion and the post-tension tendon anchor.
    Type: Grant
    Filed: December 20, 2021
    Date of Patent: March 12, 2024
    Assignee: C & M Machines LLC
    Inventor: Charles D. Brewer
  • ONE PIECE MOLDED POST-TENSION TENDON POCKET FORMER WITH PUSH IN RETENTION TABS AND METHOD OF USE THEREOF
    Publication number: 20220205245
    Abstract: A one-piece post-tension tendon pocket former includes a pocket section configured to create a pocket in an edge of concrete, a formwork securing mechanism connected to the second end of the pocket section configured to secure the second end of the pocket section to a formwork, and an anchor securing mechanism. The anchor securing mechanism is configured to secure the pocket section to a post-tension tendon anchor with at least one fastener hole and includes an anchor sealing portion and at least one retention tab. The anchor sealing portion is configured to seal the pocket section to the post-tension tendon anchor. Each of the at least one retention tab extends from a side of the pocket section and is configured to be secured in one of the at least one fastener holes for securing the seal between the anchor sealing portion and the post-tension tendon anchor.
    Type: Application
    Filed: December 20, 2021
    Publication date: June 30, 2022
    Inventor: Charles D. Brewer
  • Post-tension tendon pocket former with a ribbed formwork securing mechanism and method of use thereof
    Patent number: 10633861
    Abstract: A post-tension tendon pocket former includes a pocket section, a formwork securing mechanism and an anchor securing mechanism. The pocket section is configured to create a pocket in an edge of concrete. The pocket section includes a first end and a second end. The formwork securing mechanism connected to the second end of the pocket section. The formwork securing mechanism is configured to secure the second end of the pocket section to a formwork. The anchor securing mechanism is connected to the first end of the pocket section. The anchor securing mechanism is configured to secure the first end of the pocket section to an anchor. The pocket section, formwork securing mechanism and anchor securing mechanism are integrally formed to create a one-piece pocket former. Whereby, the post-tension tendon pocket former is configured so secure and align the anchor to the formwork.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: April 28, 2020
    Assignee: C&M Machines LLC
    Inventors: Charles D. Brewer, William B. Wilt
  • POST-TENSION TENDON POCKET FORMER WITH A RIBBED FORMWORK SECURING MECHANISM AND METHOD OF USE THEREOF
    Publication number: 20190145103
    Abstract: A post-tension tendon pocket former includes a pocket section, a formwork securing mechanism and an anchor securing mechanism. The pocket section is configured to create a pocket in an edge of concrete. The pocket section includes a first end and a second end. The formwork securing mechanism connected to the second end of the pocket section. The formwork securing mechanism is configured to secure the second end of the pocket section to a formwork. The anchor securing mechanism is connected to the first end of the pocket section. The anchor securing mechanism is configured to secure the first end of the pocket section to an anchor. The pocket section, formwork securing mechanism and anchor securing mechanism are integrally formed to create a one-piece pocket former. Whereby, the post-tension tendon pocket former is configured so secure and align the anchor to the formwork.
    Type: Application
    Filed: October 31, 2018
    Publication date: May 16, 2019
    Inventors: Charles D. BREWER, William B. WILT
  • Post tension cable pocket former
    Patent number: D865505
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: November 5, 2019
    Assignee: C&M Machines LLC
    Inventors: Charles D. Brewer, William B. Wilt