Patents by Inventor Harold D. Sanders

Harold D. Sanders 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).

  • Flex head welding torch having disc spring biasing elements
    Patent number: 4268740
    Abstract: The disclosure relates to a welding torch with a flexible welding torch head. The head is in the form of a ball and socket with a fluid passage and is biased in position by disc springs which also have fluid passages.
    Type: Grant
    Filed: February 23, 1979
    Date of Patent: May 19, 1981
    Assignee: Central Welding Supply Co., Inc.
    Inventor: Harold D. Sanders
  • Swivel connector for an arc gouging torch
    Patent number: 4052116
    Abstract: A swivel connector is characterized by an elongated shaft member having an axis extending therethrough and a collar fixed thereon. A moveable sleeve is mounted on the shaft member and is axially moveable from a first to a second axial position relative to the shaft. In the first axial position, the sleeve is rotatable relative to the shaft member. In the second axial position, the sleeve is engaged with the fixed collar and non-rotatable relative to the shaft member.
    Type: Grant
    Filed: October 27, 1976
    Date of Patent: October 4, 1977
    Assignee: Central Welding Supply Co., Inc.
    Inventors: Harold D. Sanders, Thomas C. Landreth