Patents by Inventor Robert Schach

Robert Schach 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).

  • Semiconductor array
    Patent number: 4827329
    Abstract: In a semiconductor array having a plastic casing and a cooling portion which is at least partly not embedded in the plastic, an insulating portion is provided which is designed to slide onto the cooling portion and to provide at least partial electrical insulation of the cooling portion when slid on.
    Type: Grant
    Filed: October 6, 1986
    Date of Patent: May 2, 1989
    Assignee: Telefunken electronic GmbH
    Inventors: Robert Schach, Peter Scholl
  • Circuit arrangement
    Patent number: 4119868
    Abstract: A circuit arrangement for controlling the energization and de-energization of a coil comprises a switching transistor for controlling the coil and which is not provided with protection against avalanche breakdown, a resistor being provided in parallel with the base-emitter path of the switching transistor to prevent overload of the switching transistor during avalanche operation.
    Type: Grant
    Filed: March 23, 1977
    Date of Patent: October 10, 1978
    Assignee: Licentia Patent-Verwaltungs-G.m.b.H.
    Inventors: Robert Schach, Peter Scholl