Patents by Inventor Albert H. Berst

Albert H. Berst 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).

  • Quenching device
    Patent number: 4127621
    Abstract: A quenching device for a hot, dirty gas stream, the quenching device being disposed between a flow-through duct carrying a hot, dirty gas stream and a housing to treat the gas, the quenching device including a pair of cooling water sources in parallel transversing the gas stream. The quenching device further includes means to prevent dirt build-up at the entrance of the housing due to entrainment of the dirt in the cooling water flowing through the gas stream.
    Type: Grant
    Filed: August 4, 1977
    Date of Patent: November 28, 1978
    Assignee: American Air Filter Company, Inc.
    Inventors: Albert H. Berst, Richard L. Kline, William A. Medcalf, James H. Onnen, Philipp P. Schupp
  • Damper arrangement
    Patent number: 3971413
    Abstract: A damper arrangement wherein a damper blade opens and closes a flow through orifice in a plate in response to actuating means for moving the blade relative to the orifice, the damper blade including an opening therein in communication with the orifice, the actuating means cooperating with a vent means to provide venting through the plate by way of the opening prior to moving the blade relative to the orifice.
    Type: Grant
    Filed: March 4, 1975
    Date of Patent: July 27, 1976
    Assignee: American Air Filter Company, Inc.
    Inventors: Albert H. Berst, Robert Wright, Wilson E. Kelley, Jr.