Patents by Inventor William Corp

William Corp 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).

  • Ball valve construction and method for use in 150 PSI and 300 WOG applications
    Publication number: 20050145817
    Abstract: A ball valve is fabricated with a ductile iron or carbon steel ball. The ball is coated with a corrosive resistant coating assimilated the ball surface with the coating having a thickness ranging from two to six mils.
    Type: Application
    Filed: December 17, 2004
    Publication date: July 7, 2005
    Applicant: DRW Holdings, LLC
    Inventors: Douglas Corp, William Corp, Roy Jacobs