Patents by Inventor Richard H. Lohrmann

Richard H. Lohrmann 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).

  • Patent number: 5992056
    Abstract: The present invention discloses a footpad or inner sole to be used and worn inside the boot or shoe of military or civilian personnel exposed to dangerous environments in order to prevent injury to the user from being in the vicinity of an explosive device while it explodes. The present invention consists of several layers of effectively strong material comprising approximately 30 layers in total. In one embodiment therein are about 15 layers of a first effectively strong fabric underneath about 15 more layers of the first effectively strong fabric alternating with the second effectively strong fabric. Test have shown this combination to be exceedingly strong and to provide protection to the user from explosive devices and, furthermore, tests have shown that one effectively strong combination results in an embodiment wherein the first fabric is KEVLAR and the second fabric is SPECTRA.
    Type: Grant
    Filed: January 13, 1999
    Date of Patent: November 30, 1999
    Inventor: Richard H. Lohrmann