Patents by Inventor Mitchell J. Ballas

Mitchell J. Ballas 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).

  • Patent number: 5010928
    Abstract: A repressurizer for carbonated drink bottles. It comprises an internally threaded cap having a one-way valve for screwing onto the threads of a bottle neck. The pump has fastening wings for detachable attachment to the bottom of a vertically extending pump. The pump has a bottom gasket for making an air-tight seal with the cap.A modification is to eliminate the fastening wings and have the pump slip fitted or screw threaded to the cap. A still further modification is to reduce the top diameter of the cap and provide threads that can be screwed onto a bicycle or automobile pump.
    Type: Grant
    Filed: July 13, 1990
    Date of Patent: April 30, 1991
    Inventor: Mitchell J. Ballas
  • Patent number: 4768665
    Abstract: A hand operated pump has a threaded extension which is engaged with a threaded bottle neck. The pump is used to restore pressure in a beverage bottle.
    Type: Grant
    Filed: November 13, 1987
    Date of Patent: September 6, 1988
    Inventor: Mitchell J. Ballas