Patents by Inventor Hans-Goran Strom

Hans-Goran Strom 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).

  • Patent number: 4181368
    Abstract: A fluid operated braking control system for spring brake cylinders admitting fluid under pressure in both brake applying and brake release directions has a selectively variable pressure from zero to a predetermined maximum applied to overcome the spring and release the brakes and a selectively operable constant pressure fluid applied to aid the spring in the braking direction.
    Type: Grant
    Filed: March 20, 1978
    Date of Patent: January 1, 1980
    Assignee: SAB Industri AB
    Inventor: Hans-Goran Strom