Patents by Inventor Hans Gerlach

Hans Gerlach 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).

  • Multiple reaction process in melt processing equipment
    Patent number: 5651927
    Abstract: Multiple sequential chemical reactions on a polymeric feedstock are carried out in an extruder with multiple reaction zones. Each reaction zone has means for introduction of reagents, for mixing of reagents with polymer and for removal of by/co-products or unreacted reagents.
    Type: Grant
    Filed: June 5, 1996
    Date of Patent: July 29, 1997
    Assignee: Exxon Chemical Patents Inc.
    Inventors: Richard Stephen Auda, William Myers Davis, David Yen-Lung Chung, Lawrence William Flatley, Jr., Brenton George Jones, Donald Andrew White, Hans Gerlach Woudboer
  • Pressure sensor for infusion conduits
    Patent number: 5018388
    Abstract: A pressure sensor for determining the pressure of a medium in an elastic hose section. A pressure member acts on a unilaterally fixed bar carrying an influencing member at its free end. This influencing member is a core of a coil arrangement, the position of the core changing the frequencies of the oscillator coils. Numerous pressure values are received at regular intervals and, subsequently, a representative pressure value is obtained by averaging.
    Type: Grant
    Filed: June 1, 1990
    Date of Patent: May 28, 1991
    Assignee: B. Braun Melsungen AG
    Inventors: Wolfgang Mosebach, Rolf Heitmeier, Hans Gerlach, Dieter Rath