Patents by Inventor Ralph Pierce

Ralph Pierce 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).

  • Protective housing for a mobile device
    Patent number: 11934231
    Abstract: A housing of a device comprises a screw boss that extends outwardly from a first base plate proximate to a corner of the housing. Additionally, the housing of the device includes a force dissipation member. The force dissipation member includes a central portion that is sized to detachably attach around the screw boss. The force dissipation member further includes at least two arms that extend outwardly from the central portion, wherein each arm of the at least two arms is attached to a different side of the two walls of the housing.
    Type: Grant
    Filed: October 13, 2021
    Date of Patent: March 19, 2024
    Assignee: Hand Held Products, Inc.
    Inventors: Blake Edmund Dunbar, Dwight Linwood Franz, Ralph Chen, Yang Zhang, Robert Pierce, Mark Tentler, Sean Philip Kearney, Mark Howe, Kevin Sharpe, Paul Morris, Doyle Davis
  • Electrode oscillating mechanism for welding electrode holder
    Patent number: 5079405
    Abstract: A small, fractional horsepower, low voltage electric motor with an eccentric weight on its output shaft is attached to the electrode clamp of a hand held welding electrode holder. The oscillating or orbiting motion generated by rotation of the eccentric weight is transmitted through the electrode clamp to the welding rod. Higher quality welds and reduced sticking and burn through result.
    Type: Grant
    Filed: November 29, 1990
    Date of Patent: January 7, 1992
    Assignee: Charles W. Pierce
    Inventor: Ralph Pierce