Patents by Inventor Maurice Gertal

Maurice Gertal 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).

  • Omnidirectional vibration isolating
    Patent number: 4223762
    Abstract: In an air or gas spring having a metal cylinder with a rigid gas-tight closure at one end and a flexible convoluted diaphragm seal and piston at the other end, the piston has an inner floating member restrained vertically by hardened roller balls that ride in a hardened ball race and horizontally by elastomer spring material.
    Type: Grant
    Filed: August 1, 1978
    Date of Patent: September 23, 1980
    Inventor: Maurice Gertal