Patents by Inventor Steven Landau

Steven Landau 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).

  • Sanitary control back pressure diaphragm valve and sanitary control system employing said valve
    Patent number: 4779641
    Abstract: A sanitary control back pressure diaphragm valve employed in a sanitary control system wherein the sanitary valve controls the pressure applied to a fluid in a sanitary contained system, which valve comprises: a valve body having an upper and lower valve member defining a generally conical fluid passageway and a valve seat, the members adapted to move between an open position and a closed position; a diaphragm support between the upper and lower members and a resilient diaphragm on the members on the diaphragm support to provide a seal between the upper and lower members and to provide for relative movement of said valve members between the open and closed valve position, the upper and lower valve members defining a generally conical valve passageway between the valve members, and the valve including a pressurized air inlet to provide controlled air pressure of one member; a sanitary fluid inlet extending in a straight line at an angle into the fluid passageway and a sanitary fluid outlet for the discharge of
    Type: Grant
    Filed: September 9, 1987
    Date of Patent: October 25, 1988
    Assignee: Penicillin Assays, Inc.
    Inventors: Stanley E. Charm, Steven Landau
  • Microbial test machine for sequentially timed heating, cooling and incubation of test samples
    Patent number: D342792
    Type: Grant
    Filed: January 29, 1991
    Date of Patent: December 28, 1993
    Assignee: Charm Sciences, Inc.
    Inventors: Stanley E. Charm, Steven Landau, Kenneth T. Sabin, Eliezer Zomer