Patents by Inventor Claude M. Begnaud

Claude M. Begnaud 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).

  • Removable hatch lid
    Patent number: 4378896
    Abstract: A special purpose removable hatch lid. It incorporates a connector for attaching suction means to it. And, it is adapted for being fastened down over the coaming of a thief hatch which is located on a large tank. The lid is applied prior to entry into the large tank for the purpose of cleaning the interior of the tank. Use of the lid greatly facilitates a degasing of the tank interior.
    Type: Grant
    Filed: June 19, 1981
    Date of Patent: April 5, 1983
    Assignee: Texaco Inc.
    Inventor: Claude M. Begnaud