Patents by Inventor Michael J. Schaaff

Michael J. Schaaff 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).

  • Temporary night pipe cap
    Patent number: 9447910
    Abstract: A temporary night pipe cap is disclosed. The pipe cap has a gasket, a plate, a pressure relief valve and a plurality of high pressure clamps. The system is removably installed over a water pipe opening at street level or in the ground so that water pressure can be restored for the time period when work on the water pipe ends for the day.
    Type: Grant
    Filed: December 30, 2014
    Date of Patent: September 20, 2016
    Inventor: Michael J. Schaaff
  • Temporary Night Pipe Cap
    Publication number: 20160053931
    Abstract: A temporary night pipe cap is disclosed. The pipe cap has a gasket, a plate, a pressure relief valve and a plurality of high pressure clamps. The system is removably installed over a water pipe opening at street level or in the ground so that water pressure can be restored for the time period when work on the water pipe ends for the day.
    Type: Application
    Filed: December 30, 2014
    Publication date: February 25, 2016
    Inventor: Michael J. Schaaff