Patents by Inventor Claud T. Skipper

Claud T. Skipper 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).

  • Pipe coupling for well casing
    Patent number: 4915426
    Abstract: A pipe coupling for a stainless steel well casing includes a square threaded male member which is received within a square threaded female member so that the coupling is initially loose. A TEFLON seal is provided to retain the fluid being pumped within the pipe. Each member has a shoulder which is abutted by the end of the other member in order to lock the members in rigid relationship once the coupling is completely tightened.
    Type: Grant
    Filed: June 1, 1989
    Date of Patent: April 10, 1990
    Inventor: Claud T. Skipper
  • Pipe coupling for well casing
    Patent number: 4735444
    Abstract: A pipe coupling for a stainless steel well casing includes a square threaded male member which is received within a square threaded female member so that the coupling is initially loose. O-ring seals are provided to prevent the fluid being pumped from corroding threaded portions of the male and female members. Each member has a shoulder which is abutted by the end of the other member in order to lock the members in rigid relationship.
    Type: Grant
    Filed: April 7, 1987
    Date of Patent: April 5, 1988
    Assignee: Claud T. Skipper
    Inventor: Claud T. Skipper