Patents by Inventor John M. Knotts

John M. Knotts 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).

  • Reversible adaptor and gas analyzer for tires
    Patent number: 5058418
    Abstract: A reversible adaptor for connecting a tire pressure gauge or similar equipment to the inflation valve of a pneumatic tire comprises a tubular body having a spigot at each end for selective connection to the gauge wherein each spigot is adapted for connection to a respective one of two different valve sizes such that the gauge may be connected to either valve by reversing the spigot connections to present the matching spigot for connection to the valve. A gas analyzer for connection to the inflation valve of a pneumatic tire to determine the oxygen content of the inflation gas is also described.
    Type: Grant
    Filed: September 6, 1990
    Date of Patent: October 22, 1991
    Assignee: Newbow Engineering Industries Limited
    Inventor: John M. Knotts
  • Reversible adaptor and gas analyzer for tires
    Patent number: 4970904
    Abstract: A reversible adapter for connecting a tire pressure gauge or similar equipment to the inflation valve of a pneumatic type comprises a tubular body having a spigot at each end for selective connection to the gauge wherein each spigot is adapted for connection to a respective one of two different valve sizes such that the gauge may be connected to either valve by reversing the spigot connections to present the matching spigot for connection to the valve. A gas analyzer for connection to the inflation valve of a pneumatic tire to determine the oxygen content of the inflation gas is also described.
    Type: Grant
    Filed: May 18, 1989
    Date of Patent: November 20, 1990
    Assignee: Newbow Engineering Industries Limited
    Inventor: John M. Knotts