Patents by Inventor Frank Kienhofer

Frank Kienhofer 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).

  • Air braking system
    Patent number: 9610929
    Abstract: An air braking unit for use in an air braking system. The air braking unit is arranged to be positioned, in use, at a vehicle wheel, and comprises an inlet for receiving, in use, compressed air from a central source. At least one first valve is arranged to selectively allow compressed air from the inlet to enter a wheel brake chamber in use. At least one second valve is arranged to selectively allow air from the brake chamber to be released via an outlet to the atmosphere in use and control means controls the first and second valves to operate to selectively control the air pressure in the brake chamber in use.
    Type: Grant
    Filed: August 9, 2007
    Date of Patent: April 4, 2017
    Assignees: Haldex Brake Products Ltd., Camcon Technology Ltd., Cambridge Enterprise Limited
    Inventors: Wladyslaw Wygnanski, David Cebon, Frank Kienhofer, Robert Prescott
  • AIR BRAKING SYSTEM
    Publication number: 20100327653
    Abstract: An air braking unit for use in an air braking system. The air braking unit is arranged to be positioned, in use, at a vehicle wheel, and comprises an inlet for receiving, in use, compressed air from a central source. At least one first valve is arranged to selectively allow compressed air from the inlet to enter a wheel brake chamber in use. At least one second valve is arranged to selectively allow air from the brake chamber to be released via an outlet to the atmosphere in use and control means controls the first and second valves to operate to selectively control the air pressure in the brake chamber in use.
    Type: Application
    Filed: August 9, 2007
    Publication date: December 30, 2010
    Applicant: CAMBRIDGE ENTERPRISE LIMITED
    Inventors: Wladyslaw Wygnanski, David Cebon, Frank Kienhofer, Robert Prescott