Patents by Inventor Michael C. Brewer

Michael C. Brewer 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).

  • Pipeline leak-testing method
    Patent number: 7281411
    Abstract: A method for leak-testing a pipeline system, of the type having a test tee fitting in a standpipe, includes attachment of a leak-testing device to an opening of the test tee. A water hose is coupled to a threaded bushing of the leak-testing device for passing water through a one-way valve into the interconnected pipeline system. After leak testing is completed, a sealing cap is secured over the threaded bushing, and the device is left permanently in place after the test is completed.
    Type: Grant
    Filed: May 17, 2005
    Date of Patent: October 16, 2007
    Inventor: Michael C. Brewer
  • Pipeline leak-testing device
    Patent number: 6912890
    Abstract: A device for leak-testing a pipeline system, of the type having a test tee fitting in a standpipe, includes a generally circular base plate for engaging an opening of the test tee, a wrench collar for tightening the base plate in the test tee, and a threaded bushing for filling the standpipe with water. A fluid channel passes through the bushing, wrench collar, and base plate, and a one-way valve is disposed within the fluid channel. A water hose is coupled to the bushing for passing water through the one-way valve into the interconnected pipeline system. After leak testing is completed, a sealing cap is secured over the bushing, and the device is left permanently in place after the test is completed.
    Type: Grant
    Filed: September 23, 2003
    Date of Patent: July 5, 2005
    Inventor: Michael C. Brewer
  • Pipeline leak-testing device
    Publication number: 20040055364
    Abstract: A device for leak-testing a pipeline system, of the type having a test tee fitting in a standpipe, includes a generally circular base plate for engaging an opening of the test tee, a wrench collar for tightening the base plate in the test tee, and a threaded bushing for filling the standpipe with water. A fluid channel passes through the bushing, wrench collar, and base plate, and a one-way valve is disposed within the fluid channel. A water hose is coupled to the bushing for passing water through the one-way valve into the interconnected pipeline system. After leak testing is completed, a sealing cap is secured over the bushing, and the device is left permanently in place after the test is completed.
    Type: Application
    Filed: September 23, 2003
    Publication date: March 25, 2004
    Inventor: Michael C. Brewer