Patents by Inventor R Bruce Sloan

R Bruce Sloan 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).

  • Helium compressor with dual after-coolers
    Patent number: 10240832
    Abstract: This invention relates generally to oil lubricated helium compressor units for use in cryogenic refrigeration systems, operating on the Gifford McMahon (GM) cycle. This invention provides redundancy between water cooling and air cooling if there is a blockage in the water or air supply by having air and water cooled after-coolers in series or parallel.
    Type: Grant
    Filed: December 18, 2015
    Date of Patent: March 26, 2019
    Assignee: SUMITOMO (SHI) CRYOGENIC OF AMERICA, INC
    Inventors: R Bruce Sloan, Ralph C. Longsworth
  • HELIUM COMPRESSOR WITH DUAL AFTER-COOLERS
    Publication number: 20170176070
    Abstract: This invention relates generally to oil lubricated helium compressor units for use in cryogenic refrigeration systems, operating on the Gifford McMahon (GM) cycle. This invention provides redundancy between water cooling and air cooling if there is a blockage in the water or air supply by having air and water cooled after-coolers in series or parallel.
    Type: Application
    Filed: December 18, 2015
    Publication date: June 22, 2017
    Applicant: Sumitomo (SHI) Cryogenics of America, Inc.
    Inventors: R Bruce Sloan, Ralph C. Longsworth
  • Helium compressor with dual after-coolers
    Patent number: RE49384
    Abstract: This invention relates generally to oil lubricated helium compressor units for use in cryogenic refrigeration systems, operating on the Gifford McMahon (GM) cycle. This invention provides redundancy between water cooling and air cooling if there is a blockage in the water or air supply by having air and water cooled after-coolers in series or parallel.
    Type: Grant
    Filed: March 24, 2021
    Date of Patent: January 24, 2023
    Assignee: SUMITOMO (SHI) CRYOGENIC OF AMERICA, INC.
    Inventors: R Bruce Sloan, Ralph C. Longsworth