Patents by Inventor Raymond DeBlois, deceased

Raymond DeBlois, 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).

  • Screw machine
    Patent number: 7153111
    Abstract: A screw machine (10) has a rotor housing (12) defining overlapping bores (12-1, 12-2). Female rotor (14) is located in bore (12-1) and male rotor (16) is located in bore (12-2). A wear resistant coating is deposited on the tips (14-1, 16-1) of the rotors. A conformable coating is deposited on the valleys (14-2, 16-2) of the rotors. A conformable coating is depsoited on the surface of the bores coacting with the rotors.
    Type: Grant
    Filed: December 2, 2002
    Date of Patent: December 26, 2006
    Assignee: Carrier Corporation
    Inventors: James W. Bush, Clark V. Cooper, Ronald T. Drost, Hong Du, Harry E. Eaton, Hussein E. Khalifa, Keshava B. Kumar, Reng Rong Lin, Philip H. McCluskey, Paula R. DeBlois, legal representative, Raymond DeBlois, deceased
  • Screw machine
    Patent number: 6988877
    Abstract: A screw machine (10) has a rotor housing (12) defining overlapping bores (12-1, 12-2). Female rotor (14) is located in bore (12-1) and male rotor (16) is located in bore (12-2). A wear resistant coating is deposited on the tips (14-1, 16-1) of the rotors. A conformable coating is deposited on the valleys (14-2, 16-2) of the rotors. A conformable coating is deposited on the surface of the bores coacting with the rotors.
    Type: Grant
    Filed: December 2, 2002
    Date of Patent: January 24, 2006
    Assignee: Carrier Corporation
    Inventors: James W. Bush, Clark V. Cooper, Ronald T. Drost, Hong Du, Harry E. Eaton, Hussein E. Khalifa, Keshava B. Kumar, Reng Rong Lin, Philip H. McCluskey, Paula R. DeBlois, legal representative, Raymond DeBlois, deceased
  • Screw machine
    Patent number: 6986652
    Abstract: A screw machine (10) has a rotor housing (12) defining overlapping bores (12-1, 12-2). Female rotor (14) is located in bore (12-1) and male rotor (16) is located in bore (12-2). A wear resistant coating is deposited on the tips (14-1, 16-1) of the rotors. A conformable coating is deposited on the valleys (14-2, 16-2) of the rotors. A conformable coating is depsoited on the surface of the bores coacting with the rotors.
    Type: Grant
    Filed: December 2, 2002
    Date of Patent: January 17, 2006
    Assignee: Carrier Corporation
    Inventors: James W. Bush, Clark V. Cooper, Ronald T. Drost, Hong Du, Harry E. Eaton, Hussein E. Khalifa, Keshava B. Kumar, Reng Rong Lin, Philip H. McCluskey, Paula R. DeBlois, legal representative, Raymond DeBlois, deceased