Patents by Inventor John L. Biernat, Jr.

John L. Biernat, Jr. 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).

  • Apparatus for condensing and collecting hot gases
    Patent number: 6572686
    Abstract: This invention collects and analyzes condensable gases using a cryogenic cooling device connected to a charcoal cold trap assembly. More particularly, it uses a removable cryogenic cooling device instead of liquid nitrogen to trap condensable gases. The invention has four major components: (1) a removable cryogenic cooling device (2) a vacuum canister, (3) a cold trap canister filled with activated charcoal, and (4) a cover assembly with welded inlet/outlet tubes and an o-ring seal between the cover assembly and the vacuum canister.
    Type: Grant
    Filed: February 14, 2002
    Date of Patent: June 3, 2003
    Assignee: The United States of America as represented by the United States Department of Energy
    Inventors: John L. Biernat, Jr., William J. Wlaschin