Patents by Inventor William Eugene Putnam

William Eugene Putnam 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).

  • REINFORCED MANHOLE COVER GASKET
    Publication number: 20250290267
    Abstract: A reinforced gasket for sealing a manhole, the gasket comprising a reinforcement ring having an upper surface and a generally planar lower surface; and a sealing assembly comprising a first ring and a second ring with an intermediate member extending between the first ring and the second ring, the intermediate member defining a contact surface; wherein the reinforcement ring is disposed between the first ring and the second ring of the sealing assembly such that the upper surface of the reinforcement ring is in contact with the contact surface of the seal ring.
    Type: Application
    Filed: June 2, 2025
    Publication date: September 18, 2025
    Applicant: Sewer Sentry LLC
    Inventors: William Eugene Putnam, Randall Avery Putnam, David Alan Putnam, Mark Alfred Weih, Guido Quesada
  • Reinforced manhole cover gasket
    Patent number: 12320089
    Abstract: A reinforced gasket for sealing a manhole, the gasket comprising a reinforcement ring having an upper surface and a generally planar lower surface; and a sealing assembly comprising a first ring and a second ring with an intermediate member extending between the first ring and the second ring, the intermediate member defining a contact surface; wherein the reinforcement ring is disposed between the first ring and the second ring of the sealing assembly such that the upper surface of the reinforcement ring is in contact with the contact surface of the seal ring.
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: June 3, 2025
    Assignee: Sewer Sentry LLC
    Inventors: William Eugene Putnam, Randall Avery Putnam, David Alan Putnam, Mark Alfred Weih, Guido Quesada
  • REINFORCED MANHOLE COVER GASKET
    Publication number: 20220081869
    Abstract: A reinforced gasket for sealing a manhole, the gasket comprising a reinforcement ring having an upper surface and a generally planar lower surface; and a sealing assembly comprising a first ring and a second ring with an intermediate member extending between the first ring and the second ring, the intermediate member defining a contact surface; wherein the reinforcement ring is disposed between the first ring and the second ring of the sealing assembly such that the upper surface of the reinforcement ring is in contact with the contact surface of the seal ring.
    Type: Application
    Filed: September 10, 2021
    Publication date: March 17, 2022
    Applicant: Sewer Sentry LLC
    Inventors: William Eugene Putnam, Randall Avery Putnam, David Alan Putnam, Mark Alfred Weih, Guido Quesada