Patents by Inventor Michael E. Couch

Michael E. Couch 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).

  • Method of making a light-sealing cap with feature for addition of materials
    Patent number: 5632950
    Abstract: A light-lock cap comprising a shell, means to seal said shell to a container, means to allow passage of fluids through said cap into a container covered by said cap, means to allow gases to exit a container covered by said cap, said means for liquid passage comprises a labyrinth passage with an upward facing inlet and downward facing exit, said means for gases to exit comprises a labyrinth passage with a side facing orifice on the interior of said cap and a side facing orifice on the exterior of said cap. There is also provided a method of forming the cap.
    Type: Grant
    Filed: January 24, 1995
    Date of Patent: May 27, 1997
    Assignee: Eastman Kodak Company
    Inventors: Michael E. Couch, William H. Mullen, Edward J. Verdouw
  • Light-sealing cap with feature for addition of materials
    Patent number: 5402905
    Abstract: A light-lock cap for protecting container contents from exposure to light. The cap has a labyrinth passage to allow liquids into a container covered by the cap and a labyrinth passage to allow gases to exit a container covered by the cap. The liquid passage has an upward facing inlet and a downward facing outlet. The gas passage has a side facing orifice on the interior of the cap and a side facing orifice on the exterior of the cap.
    Type: Grant
    Filed: August 13, 1993
    Date of Patent: April 4, 1995
    Assignee: Eastman Kodak Company
    Inventors: Michael E. Couch, William H. Mullen, Edward J. Verdouw