Patents by Inventor Thomas Charles Green

Thomas Charles Green 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).

  • Set pressure sensing and verifying device
    Patent number: 5685256
    Abstract: A device for detecting soil compaction density comprising at least one shell material forming an enclosure, a failure plane disposed within the shell material which causes the shell material to fail at a preset static or dynamic pressure, and a detector, such as an odoriferous chemical enclosed within the enclosure which is released upon failure of the shell material, thereby indicating that the preset static or dynamic pressure has been achieved.
    Type: Grant
    Filed: January 20, 1995
    Date of Patent: November 11, 1997
    Assignee: Gas Research Institute
    Inventor: Thomas Charles Green