Patents by Inventor Christian A. Mutzbauer

Christian A. Mutzbauer 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).

  • Vacuum breaker arrangement with externally protruding collapsible valve part
    Patent number: 8317049
    Abstract: A vacuum breaker arrangement for use with a container includes body parts holding a resilient valve member captive. The valve member includes an intermediate body part, intermediate and enlarged head and a valve part. The valve part is made of resilient material which defines an internal passageway communicating with an opening in the body parts. The valve part includes an end portion defining a slit which is closed at a first pressure and which is automatically opened at a second, reduced pressure.
    Type: Grant
    Filed: December 20, 2005
    Date of Patent: November 27, 2012
    Assignee: The Protectoseal Company
    Inventors: Thomas C. Piotrowski, Christian A. Mutzbauer
  • Vacuum breaker arrangement
    Publication number: 20070138189
    Abstract: A vacuum breaker arrangement for use with a container includes body parts holding a resilient valve member captive. The valve member includes an intermediate body part, intermediate and enlarged head and a valve part. The valve part is made of resilient material which defines an internal passageway communicating with an opening in the body parts. The valve part includes an end portion defining a slit which is closed at a first pressure and which is automatically opened at a second, reduced pressure.
    Type: Application
    Filed: December 20, 2005
    Publication date: June 21, 2007
    Inventors: Thomas Piotrowski, Christian Mutzbauer