Patents by Inventor Josephus J. Beerens

Josephus J. Beerens 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).

  • Method and device for braking the speed of movement of the piston of a plunger-cylinder device
    Patent number: 4210064
    Abstract: Method and device for braking the speed of movement of the piston of a plunger-cylinder device by choking the outlet of medium on the side of the piston approaching the end wall of the cylinder and by coupling the piston rod of the cylinder with the piston of a second plunger-cylinder device.
    Type: Grant
    Filed: January 10, 1978
    Date of Patent: July 1, 1980
    Assignee: Hydraudyne B.V.
    Inventor: Josephus J. Beerens