Patents by Inventor Alfredo Hofmann

Alfredo Hofmann 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).

  • Working cylinder
    Patent number: 6755115
    Abstract: A fluid power operated fluid power cylinder having a cylinder housing (2) on whose rear side a control system housing (33) is mounted. The control system housing (33) contains a valve means and furthermore a electronic valve circuitry and/or electronic control circuitry as control components for the operation of the fluid power cylinder. Externally on the control system housing (33) electrical connection means (63) are provided for the supply of electrical control signals and fluid connection means (48) for the supply of the operating fluid.
    Type: Grant
    Filed: October 4, 2002
    Date of Patent: June 29, 2004
    Assignee: Festo AG & Co.
    Inventors: Kurt Stoll, Alfredo Hofmann, Manfred Moritz
  • Working cylinder
    Publication number: 20030047065
    Abstract: A fluid power operated fluid power cylinder having a cylinder housing (2) on whose rear side a control system housing (33) is mounted. The control system housing (33) contains a valve means and furthermore a electronic valve circuitry and/or electronic control circuitry as control components for the operation of the fluid power cylinder. Externally on the control system housing (33) electrical connection means (63) are provided for the supply of electrical control signals and fluid connection means (48 for the supply of the operating fluid.
    Type: Application
    Filed: October 4, 2002
    Publication date: March 13, 2003
    Inventors: Kurt Stoll, Alfredo Hofmann, Manfred Moritz