Patents by Inventor Mark A. Edwards

Mark A. Edwards 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: 5674377
    Abstract: Gaseous or liquid hydrocarbon is treated with a scavenging compound comprising an oil soluble 1,3,5-trihexahydro-1,3,5-tert.-butyltriazine. The compound is an effective nonregenerated scavenger for oil field produced fluids, particularly sour hydrocarbon liquids.
    Type: Grant
    Filed: June 19, 1995
    Date of Patent: October 7, 1997
    Assignee: Nalco/Exxon Energy Chemicals, L.P.
    Inventors: Daniel S. Sullivan, III, Allan R. Thomas, Mark A. Edwards, Grahame N. Taylor, Paul Yon-Hin, Juan M. Garcia, III
  • Patent number: D374437
    Type: Grant
    Filed: October 25, 1994
    Date of Patent: October 8, 1996
    Assignee: Kensington Microware Limited
    Inventors: Richard Pekelney, WIlliam R. Murray, Jr., Gregor Berkowitz, Robin Chu, Mark A. Edwards
  • Patent number: D381968
    Type: Grant
    Filed: February 9, 1996
    Date of Patent: August 5, 1997
    Assignee: Kensington Microware Limited
    Inventors: Mark A. Edwards, Robin Chu
  • Patent number: D384047
    Type: Grant
    Filed: February 9, 1996
    Date of Patent: September 23, 1997
    Assignee: Kensington Microware Limited
    Inventors: Mark A. Edwards, Robin Chu
  • Patent number: D392959
    Type: Grant
    Filed: February 26, 1997
    Date of Patent: March 31, 1998
    Assignee: Kensington Microware Limited
    Inventor: Mark A. Edwards
  • Patent number: D402973
    Type: Grant
    Filed: October 8, 1997
    Date of Patent: December 22, 1998
    Assignee: ACCO Brands, Inc.
    Inventors: Mark A. Edwards, Debra M. Reich
  • Patent number: D406121
    Type: Grant
    Filed: October 8, 1997
    Date of Patent: February 23, 1999
    Assignee: ACCO Brands, Inc.
    Inventors: Mark A. Edwards, Debra M. Reich
  • Patent number: D409181
    Type: Grant
    Filed: July 31, 1998
    Date of Patent: May 4, 1999
    Assignee: ACCO Brands, Inc.
    Inventors: Mark A. Edwards, Debra M. Reich
  • Patent number: D409991
    Type: Grant
    Filed: October 8, 1997
    Date of Patent: May 18, 1999
    Assignee: ACCO Brands, Inc.
    Inventors: Mark A. Edwards, Debra M. Reich
  • Patent number: D414482
    Type: Grant
    Filed: January 5, 1999
    Date of Patent: September 28, 1999
    Assignee: Altra Corporation
    Inventors: Robin W. Chu, Mark A. Edwards, Raymond B. Larsen