Patents by Inventor Jon Turpen

Jon Turpen 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).

  • Sample filtration, separation and dispensing device
    Patent number: 5112490
    Abstract: An apparatus for dispensing a predetermined amount of a sample into a fluid. The apparatus comprises a chamber which may be inserted into a cuvette. The chamber comprises a means such as a membrane or filter ball for dispensing a predeterming amount of a sample into a fluid upon contact of said membrane or filter ball and said sample by said fluid. The fluid is brought into contact with the sample by vortexing the fluid with a vortex mixer.
    Type: Grant
    Filed: January 4, 1991
    Date of Patent: May 12, 1992
    Inventor: Jon Turpen
  • Sample filtration, separation and dispensing device
    Patent number: 5000922
    Abstract: An apparatus for dispensing a predetermined amount of a sample into a fluid. The apparatus comprises a chamber which may be inserted into a cuvette. The chamber comprises a membrane or filter ball for dispensing a predetermined amount of a sample into a fluid upon contact of the membrane or filter ball and the sample by the fluid. The fluid is brought into contact with the sample by vortexing the fluid with a vortex mixer.
    Type: Grant
    Filed: May 12, 1988
    Date of Patent: March 19, 1991
    Inventor: Jon Turpen