Patents by Inventor Robert R. Raber, Jr.

Robert R. Raber, Jr. 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 filter assembly
    Patent number: 4177050
    Abstract: Disclosed herein is an air filter assembly particularly adapted for use in building air conditioning systems. The assembly is comprised of an open ended housing defining an air inlet and an air outlet and having a continuous layer of pleated filtering media extending thereacross and a plurality of pleat support members disposed at the air inlet and outlet ends of the filter housing.
    Type: Grant
    Filed: May 5, 1978
    Date of Patent: December 4, 1979
    Assignee: Farr Company
    Inventors: Robert M. Culbert, Robert R. Raber, Jr.