Patents by Inventor Craig Peter Ernest Davidson

Craig Peter Ernest Davidson 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).

  • Laser guide
    Patent number: 7966738
    Abstract: A laser guide for rotating tools comprises a first housing portion and a second housing portion. A seal is provided between the first housing portion and the second housing portion. A lens is located in the first housing portion or second housing portion. A seal is provided between the lens and the first housing portion. A method of testing a laser guide comprising applying a pressure to an internal chamber of the laser guide. Monitoring the laser guide for pressure gains or losses in the chamber.
    Type: Grant
    Filed: December 6, 2006
    Date of Patent: June 28, 2011
    Assignee: Irwin Industrial Tool Company
    Inventors: Derek J. Nash, Matthew Scott Anderson, Paul Hemingfield, Craig Peter Ernest Davidson
  • LASER GUIDE
    Publication number: 20080137339
    Abstract: A laser guide for rotating tools comprises a first housing portion and a second housing portion. A seal is provided between the first housing portion and the second housing portion. A lens is located in the first housing portion or second housing portion. A seal is provided between the lens and the first housing portion. A method of testing a laser guide comprising applying a pressure to an internal chamber of the laser guide. Monitoring the laser guide for pressure gains or losses in the chamber.
    Type: Application
    Filed: December 6, 2006
    Publication date: June 12, 2008
    Inventors: Derek J. Nash, Matthew Scott Anderson, Paul Hemingfield, Craig Peter Ernest Davidson