Patents by Inventor Andrei Illies

Andrei Illies 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).

  • End closure assembly for oil-filled heater
    Patent number: 5966498
    Abstract: An oil-filled heater (22) comprises a plate (34) welded onto the top opening in a fin of the heater. The plate (34) has a threaded opening (36), and a bolt (38) is threaded into the threaded opening (36) to seal the top opening. The bottom opening of the fin is sealed by a heating element (42) welded onto the fin. The present invention further relates to a method of filling the oil-filled heater (22).
    Type: Grant
    Filed: August 7, 1996
    Date of Patent: October 12, 1999
    Assignee: Lakewood Engineering and Manufacturing Company
    Inventors: Stephen C. Kirchner, Andrei Illies