Patents by Inventor Gerhardt Piestert

Gerhardt Piestert 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).

  • Adhesive composition and method
    Patent number: 4285755
    Abstract: Adhesive composition based on acrylate monomers and a peroxide, together with selected halogenated aliphatic acids, which is storage stable and can be used as an anaerobic adhesive composition and a method of bonding by use of that adhesive to quickly form adhesive bonds to steel, copper, zinc and brass without use of a primer, which bonds do not lead to significant corrosion of the metals.
    Type: Grant
    Filed: September 17, 1979
    Date of Patent: August 25, 1981
    Assignee: USM Corporation
    Inventors: Gerhardt Piestert, Heinz G. Gilch