Patents by Inventor Carnot Evans

Carnot Evans 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).

  • Lancet injector
    Patent number: 4580565
    Abstract: A lancet injector is provided which has a tubular housing, a slidable lancet holder in the housing, a compression spring connected between the holder and one end of the housing, and a holder control member extending through a longitudinal slot in the sidewall of the housing. The control member is operable to move the lancet holder to a latched retracted position against the force of the spring, release the holder so that it moves linearly under the force of the spring and inertia to a skin piercing position and then back to a neutral position in which the spring is in a free length condition.
    Type: Grant
    Filed: March 7, 1985
    Date of Patent: April 8, 1986
    Assignee: Sherwood Medical Company
    Inventors: William D. Cornell, Carnot Evans
  • Lancet injector
    Patent number: 4503856
    Abstract: A lancet injector is provided which has a tubular housing, a slidable lancet holder in the housing, a compression spring connected between the holder and one end of the housing, and a holder control member extending through a longitudinal slot in the sidewall of the housing. The control member is operable to move the lancet holder to a latched retracted position against the force of the spring, release the holder so that it moves linearly under the force of the spring and inertia to a skin piercing position and then back to a neutral position in which the spring is in a free length condition.
    Type: Grant
    Filed: April 7, 1983
    Date of Patent: March 12, 1985
    Assignee: Sherwood Medical Company
    Inventors: William D. Cornell, Carnot Evans