Patents by Inventor George Adam Lindstrom

George Adam Lindstrom 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).

  • Patent number: 4093843
    Abstract: An electron beam welding machine incorporating a surface seal system which continuously seals the weld chamber located in an indexing table while such chamber is indexed beneath a seal plate carrying the surface seal material. As a result of the pressure differential involved, the seal surface also acts as a bearing surface as the wear plate on the indexing table moves in contact with the seal surface.
    Type: Grant
    Filed: March 17, 1977
    Date of Patent: June 6, 1978
    Assignee: Union Carbide Corporation
    Inventors: George Adam Lindstrom, Robert Charles Holland