Patents by Inventor Clyde Machamer

Clyde Machamer 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).

  • Column for liquid chromatography with adjustable compression
    Publication number: 20070029241
    Abstract: A column for liquid chromatography includes a chamber adapted to receive packing medium. Openings in the chamber allow fluid to pass through it. Porous plugs in the chamber retain the packing medium. A piston and one porous plug are movable within the chamber to compress the packing medium. A fitting engages the piston and is adjustably movable for moving the piston.
    Type: Application
    Filed: August 3, 2005
    Publication date: February 8, 2007
    Applicant: Agilent Technologies, Inc.
    Inventors: Frank Willis, Clyde Machamer
  • Integral, thru-bore, direct coupled high pressure liquid chromatography guard column
    Patent number: 6679989
    Abstract: Guard columns for high-pressure liquid chromatography (HPLC) apparatuses. These guard columns can be removable and/or metallic guard columns. Further, all of the outlet of the guard column can substantially engage the inlet of an HPLC column in the HPLC apparatus. Also, an HPLC apparatus that includes a guard column, a hand-tightened top end fitting at a first end of the HPLC apparatus and a hand-tightened bottom end fitting at a second end of the HPLC apparatus.
    Type: Grant
    Filed: June 1, 2001
    Date of Patent: January 20, 2004
    Assignee: Agilent Technologies, Inc.
    Inventors: Frank Willis, Clyde Machamer
  • Integral, thru-bore, direct coupled high pressure liquid chromatography guard column
    Publication number: 20020179513
    Abstract: Guard columns for high-pressure liquid chromatography (HPLC) apparatuses. These guard columns can be removable and/or metallic guard columns. Further, all of the outlet of the guard column can substantially engage the inlet of an HPLC column in the HPLC apparatus. Also, an HPLC apparatus that includes a guard column, a hand-tightened top end fitting at a first end of the HPLC apparatus and a hand-tightened bottom end fitting at a second end of the HPLC apparatus.
    Type: Application
    Filed: June 1, 2001
    Publication date: December 5, 2002
    Inventors: Frank Willis, Clyde Machamer