Patents by Inventor Howard S. Homan

Howard S. Homan 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: 5492005
    Abstract: The invention is a system and method to rate fuels and fuel additives for their tendency to form and mitigate intake system deposits in engines.
    Type: Grant
    Filed: November 4, 1994
    Date of Patent: February 20, 1996
    Assignee: Exxon Research and Engineering Company
    Inventors: Howard S. Homan, Allan C. Schott
  • Patent number: 4964880
    Abstract: Distillate fuel compositions containing mono alkyl substituted derivatives of thiadiazole are effective in reducing the formation of intake valve deposits in internal combustion engines. Mono alkyl substituted derivatives of 2,5-dimercapto-1,3,4-thiadiazole are preferred.
    Type: Grant
    Filed: June 9, 1989
    Date of Patent: October 23, 1990
    Assignee: Exxon Research & Engineering Company
    Inventors: Alan M. Schilowitz, Harold Shaub, Paul J. Berlowitz, Howard S. Homan, Eric E. Wigg