Patents by Inventor Thomas Sparling

Thomas Sparling 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).

  • Anti-reversionary fliud filter adapter with replaceable seal element
    Patent number: 5766451
    Abstract: An anti reversionary valve assembly with a replaceable anti reversionary valve element for prevention of back flow of lubricant in a machine using fluid pumped through passages for lubrication. The anti reversionary sealing action prevents the drainage of lubricant from passages supplying bearings and high friction areas with lubricant avoiding damages to machinery from dry starts.
    Type: Grant
    Filed: May 2, 1996
    Date of Patent: June 16, 1998
    Inventor: Thomas Sparling