Patents by Inventor Ernest C. Schaumburg

Ernest C. Schaumburg 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).

  • Battery vent
    Patent number: 4010044
    Abstract: An electric storage battery vent comprising first and second members inhibits battery explosions by venting gases generated within a battery through a narrow passage formed between said first and second members to a vent hole in one of said members.
    Type: Grant
    Filed: March 4, 1976
    Date of Patent: March 1, 1977
    Assignee: Standard Oil Company
    Inventor: Ernest C. Schaumburg
  • Injection nozzle having guides for nozzle rod
    Patent number: 3952927
    Abstract: A nozzle, particularly adapted for the production of articles of structural or dense foam, provided with extended guide surfaces or splines adapted to contact the enlarged portion of a nozzle rod. The forward end of an enlarged portion of the nozzle rod remains in contact with the splines during complete operation cycle.
    Type: Grant
    Filed: June 23, 1975
    Date of Patent: April 27, 1976
    Assignee: Standard Oil Company
    Inventors: Ernest C. Schaumburg, Robert K. Larson
  • Boat hook
    Patent number: D338602
    Type: Grant
    Filed: January 28, 1991
    Date of Patent: August 24, 1993
    Assignee: Garelick Mfg. Co.
    Inventor: Ernest C. Schaumburg
  • Combined boat rope retainer and hanger
    Patent number: D344671
    Type: Grant
    Filed: March 20, 1992
    Date of Patent: March 1, 1994
    Assignee: Garelick Mfg. Co.
    Inventor: Ernest C. Schaumburg