Patents by Inventor Valentine J. Zimmerman

Valentine J. Zimmerman 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: 4343289
    Abstract: An air tight wood burning stove (10) for heating a designated space comprises a housing (12) having an access opening (50) in the front wall (14) thereof and at least one glass panel (64) containing door (54, 56) hingedly mounted on the front wall for closing the opening (50). A latching mechanism (60) on the door (54, 56) engages with undercut flange means (52, 53) surrounding opening (50) for positively maintaining the door (54, 56) in the closed position. A firebrick lined combustion chamber (34) within the housing receives logs through opening (50) for burning and the production of hot combustion gases. An air chamber (48) is formed within the housing (12) in air flow communication with the combustion chamber (34) for feeding air thereto through openings (94, 96) in the air chamber walls (46, 90).
    Type: Grant
    Filed: March 21, 1980
    Date of Patent: August 10, 1982
    Inventor: Valentine J. Zimmerman
  • Patent number: D262399
    Type: Grant
    Filed: March 4, 1980
    Date of Patent: December 22, 1981
    Assignee: E.K. Industries, Inc.
    Inventors: Valentine J. Zimmerman, Mary H. Abel
  • Patent number: D271228
    Type: Grant
    Filed: November 24, 1980
    Date of Patent: November 1, 1983
    Assignee: E. E. Industries Inc.
    Inventors: Valentine J. Zimmerman, Mary H. Abel, Lloyd J. Rubbelke