Patents by Inventor Jeffrey W. Hirsch

Jeffrey W. Hirsch 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).

  • Scroll compressor discharge muffler
    Patent number: 6422842
    Abstract: A scroll machine is provided with a muffler mounted to the fixed scroll of the scroll machine for improved sound attenuation.
    Type: Grant
    Filed: December 15, 2000
    Date of Patent: July 23, 2002
    Assignee: Copeland Corporation
    Inventors: John P. Sheridan, Jeffrey W. Hirsch
  • Scroll compressor discharge muffler
    Publication number: 20010002980
    Abstract: A scroll machine is provided with a muffler mounted to the fixed scroll of the scroll machine for improved sound attenuation.
    Type: Application
    Filed: December 15, 2000
    Publication date: June 7, 2001
    Inventors: John P. Sheridan, Jeffrey W. Hirsch
  • Scroll compressor discharge muffler
    Patent number: 6220839
    Abstract: A scroll machine is provided with a muffler mounted to the fixed scroll of the scroll machine for improved sound attenuation.
    Type: Grant
    Filed: July 7, 1999
    Date of Patent: April 24, 2001
    Assignee: Copeland Corporation
    Inventors: John P. Sheridan, Jeffrey W. Hirsch