Patents by Inventor Conrad Boehnlein

Conrad Boehnlein 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).

  • Flame proof sealing mechanism
    Patent number: 6484358
    Abstract: A sealing mechanism for establishing a seal between a barrier material and a conduit that extends there through. The mechanism includes a specially configured opening formed in the barrier material and a grommet component that is inserted into the opening and locked in place by a slight rotation thereof.
    Type: Grant
    Filed: September 28, 2000
    Date of Patent: November 26, 2002
    Assignee: Robertshaw Controls Company
    Inventors: Thach Duong, Conrad Boehnlein
  • Fuel feedline and vapor barrier assembly
    Patent number: 6446582
    Abstract: An apparatus and method for extending a gas feedline through a vapor barrier enclosure simplifies and reduces the costs associated with manufacture and installation while establishing a seal between the vapor barrier and the feedline.
    Type: Grant
    Filed: October 24, 2000
    Date of Patent: September 10, 2002
    Assignee: Robertshaw Controls Company
    Inventors: Thach Duong, Conrad Boehnlein, Robert W. Lewis