Patents by Inventor Peter H. Baumann

Peter H. Baumann 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).

  • Electric-powered spring-return actuating device
    Patent number: 4677355
    Abstract: Electric-powered actuating device usable for the positioning control of valves and the like, featuring a motor, mechanical and spring means capable of driving said valve or other attached devices into a predetermined safety position in case of electrical signal or power failure; said actuating device having electrical amplifying means capable of providing pulsed current to drive said motor in one direction in response to an input signal, a constant current to hold said motor in a selected position, or no power, to allow the mechanical and spring means to reverse the motor direction; additional means are provided to limit the travel to a selected position despite further increases in input signal.
    Type: Grant
    Filed: May 27, 1986
    Date of Patent: June 30, 1987
    Inventor: Peter H. Baumann
  • Electric-powered spring-return actuating device
    Patent number: 4613798
    Abstract: Electric-powered actuating device usable for the positioning control of valves and the like, featuring a motor, mechanical and spring means capable of driving said valve or other attached devices into a predetermined safety position in case of electrical signal or power failure; said actuating device having electrical amplifying means capable of providing pulsed current to drive said motor in one direction, a direct current to hold the motor in a selected position or, no power, to allow the mechanical and spring means to reverse the motor direction.
    Type: Grant
    Filed: April 1, 1985
    Date of Patent: September 23, 1986
    Inventor: Peter H. Baumann