Patents by Inventor Patrick Carn

Patrick Carn 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).

  • Rigging, particulary for bicycles
    Patent number: 5806451
    Abstract: Rigging for a land or water vehicle comprises a symmetrical sail and a support therefore which is fitted with a tension member, the frame supporting the sail comprises two vertical uprights assembled together by hinged transverse bars, the rigging becoming asymmetrical when the middle tension member is actuated.
    Type: Grant
    Filed: January 31, 1997
    Date of Patent: September 15, 1998
    Assignee: Tanguy Carn
    Inventor: Patrick Carn
  • Rigging, in particular for a sail board
    Patent number: 4815407
    Abstract: Rigging for nautical or terrestrial craft comprising a sail (1) integral with a mast hinged to the craft. According to the invention, the sail (1) is stretched onto symmetrical uprights (2) which are themselves bent by a cable (7) tensioned by a hoist (10) so as to give the sail a lenticular shape.
    Type: Grant
    Filed: February 6, 1987
    Date of Patent: March 28, 1989
    Inventor: Patrick Carn
  • Sail boards
    Patent number: 4253209
    Abstract: A transportable sail board has one or more inflatable bladders, and an envelope subdivided into plural demountable longitudinal sections. Rigidifying elements cooperate with bladder and envelope to form a demountable, lengthwise rigid assembly.
    Type: Grant
    Filed: January 10, 1977
    Date of Patent: March 3, 1981
    Inventor: Patrick Carn
  • Sled-type vehicles
    Patent number: 4145064
    Abstract: Steerable movement over unimproved, grassy or snowy ground is provided by a chassis carrying front and back elliptical wheels, wider than they are high, the front wheel being pivotable in a horizontal plane.
    Type: Grant
    Filed: June 24, 1976
    Date of Patent: March 20, 1979
    Inventor: Patrick Carn
  • Navigation harnesses
    Patent number: 4112865
    Abstract: A harness for sail board operators including a chest belt and shoulder straps. A hook carried by a plate on the belt attaches to a connecting element whose other end is fastened to the rigging. The hook pivots about an axis between a hooked-up position and a released position for the connecting element. The connecting element provides the releasing pivot force and a rip cord activates the mechanism which causes the releasing pivotal movement.
    Type: Grant
    Filed: March 22, 1977
    Date of Patent: September 12, 1978
    Inventor: Patrick Carn
  • Wide elliptical tire having enlarged reinforcing structure at hub
    Patent number: 4077452
    Abstract: A tire having a wide bearing surface and including reinforcing shoulders at the lateral extremities of a transverse hub, the hub, shoulders and casing being of unitary, monobloc construction.
    Type: Grant
    Filed: August 29, 1975
    Date of Patent: March 7, 1978
    Inventor: Patrick Carn
  • Trailer, particularly for transporting and launching boats
    Patent number: 3977690
    Abstract: A trailer is formed of a core with upper sloping surfaces having protruding bosses engageable by angled protrusions from load-bearing arms. The core is placed between the trailer wheels, which are preferably wider than they are high. The arm protrusions can be turned to engage the bosses in different ways to produce different load-bearing configurations.
    Type: Grant
    Filed: January 3, 1975
    Date of Patent: August 31, 1976
    Inventor: Patrick Carn
  • Process for molding a pneumatic tire having a wide bearing surface
    Patent number: 3976739
    Abstract: A process for molding a tire having a wide bearing surface comprising the steps of molding reinforcing shoulders in a static mold and partially curing the molded materials; removing the partially cured shoulders from the static mold and placing them in a rotating mold; introducing additional plastic material into the rotating mold and rotating the mold; and then heating the mold to complete the curing of the shoulders and to fully cure the additional plastic material to form the tire casing.
    Type: Grant
    Filed: April 22, 1974
    Date of Patent: August 24, 1976
    Inventor: Patrick Carn