Patents Represented by Law Firm Johnson Smith Pence Densborn Wright & Heath
  • Patent number: 5816789
    Abstract: A rotary machine, with no reciprocating parts, for expansion motors and pumps includes a machine housing, a flattened, cylindrical flywheel disposed within the housing, a piston secured to one side of the flywheel, a flattened, cylindrical plate positioned to the underside of the flywheel, the plate including a toroidal channel in the outer portion of the plate for disposing the piston within the toroidal channel, a recess portion in the middle of the plate, one inlet port entering through the main shaft with an aperture at the back side of the piston with said inlet port disposed within the toroidal channel, and two exhaust ports within the plate with one aperture of each of said exhaust ports disposed within the toroidal channel, two rotating valves contained within the recess portion of the plate, said rotating valves secured to secondary shafts, a main shaft secured to the flywheel and the secondary shafts for providing output power from the engine.
    Type: Grant
    Filed: July 17, 1996
    Date of Patent: October 6, 1998
    Inventor: David W. Johnson
  • Patent number: 5743450
    Abstract: A scissor retaining apparatus for retaining a pair of scissors in the event the scissors are dropped by the user to prevent damage to the scissors and to prevent injury to persons standing or sitting nearby. Additional features include a detachable scissor sheath that provides increased safety for those in proximity to the scissors and additional protection for the scissors.
    Type: Grant
    Filed: December 5, 1996
    Date of Patent: April 28, 1998
    Inventor: Scotty Allen Plate
  • Patent number: 5727277
    Abstract: A body washing apparatus comprising a washing surface portion containing a center, a second material folded into layers to form a band such that one end of said band is pulled through the center of said washing surface portion to form a handle, and a string which is routed through the ends of said handle and tied together such that said washing surface portion and said handle are bound together.
    Type: Grant
    Filed: August 8, 1996
    Date of Patent: March 17, 1998
    Inventor: Kuo-Ching Chien
  • Patent number: D391645
    Type: Grant
    Filed: March 11, 1997
    Date of Patent: March 3, 1998
    Inventor: Kuo-Ching Chien
  • Patent number: D393720
    Type: Grant
    Filed: March 11, 1997
    Date of Patent: April 21, 1998
    Inventor: Kuo-Ching Chien