Patents by Inventor Donald A. Olsen, deceased

Donald A. Olsen, deceased 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).

  • Patent number: 7155919
    Abstract: An electronic controller maintains the operating temperature of a cryopump by controlling a heater coupled to the cryopump. The heater is coupled to a cryopumping surface of the cryopump. The controller can control the operation of the heater in response to feedback from temperature sensors coupled to the cryopump. The controller can cause the heater to shut-off if a temperature sensor reads out of its normal temperature range.
    Type: Grant
    Filed: December 31, 2003
    Date of Patent: January 2, 2007
    Assignee: Brooks Automation, Inc.
    Inventors: Peter W. Gaudet, Carol Olsen, legal representative, Michael J. Eacobacci, Olive Harvell, legal representative, Donald A. Olsen, deceased, John T. Harvell, deceased