Patents by Inventor Pierre Hardy

Pierre Hardy 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).

  • Pneumatic control device with programmed characteristic particularly for a vehicle braking device
    Patent number: 3932001
    Abstract: A pneumatic control device with programmed characteristic, particularly for a vehicle braking device, wherein it comprises a pilot reducing valve connected respectively to a source of compressed fluid supply, to the atmosphere and to a fluid outlet conduit terminating in a pneumatic control member, the reducing valve comprising members for controlling the passage of the fluid whose operation is connected with programming device whose characteristics are capable of being corrected by the use of applying different parameters.
    Type: Grant
    Filed: August 29, 1973
    Date of Patent: January 13, 1976
    Assignees: Simeon Lekarski, Pierre Hardy, Leon Hardy
    Inventors: Simeon Lekarski, Pierre Hardy, Leon Hardy
  • Ring
    Patent number: D472495
    Type: Grant
    Filed: April 23, 2002
    Date of Patent: April 1, 2003
    Assignee: Hermes Sellier
    Inventor: Pierre Hardy
  • Bracelet
    Patent number: D473483
    Type: Grant
    Filed: April 23, 2002
    Date of Patent: April 22, 2003
    Assignee: Hermes Sellier
    Inventor: Pierre Hardy
  • Shoe
    Patent number: D478206
    Type: Grant
    Filed: April 23, 2002
    Date of Patent: August 12, 2003
    Assignee: Sellier Hermes
    Inventor: Pierre Hardy