Patents by Inventor Herbert D. Sullivan

Herbert D. Sullivan 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).

  • Tank cap having sequential engagement and disengagement
    Patent number: 4360122
    Abstract: A cap for a liquid containing vessel has redundant tang portions for engagement with closure ramps of a host tank access filler tube. Sealing engagement between the cap and the filler tube cap retention ramps is enhanced through the utilization of pitched guide surface inclines on one of the tang elements.
    Type: Grant
    Filed: August 10, 1981
    Date of Patent: November 23, 1982
    Assignee: International Harvester Co.
    Inventor: Herbert D. Sullivan