Patents by Inventor Donald G. Pachuta

Donald G. Pachuta 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).

  • Gas Sampling Bag
    Publication number: 20070269350
    Abstract: A gas sampling bag made of a flexible synthetic polymer has extremely low background contaminants in its interior and is treated to minimize further contaminant intrusions from its coupling components. Methods of making the bag are described; the invention includes a sampling bag, with treated inlet fittings, holding a gas sample having controlled low background contamination from volatile organic compounds.
    Type: Application
    Filed: May 14, 2007
    Publication date: November 22, 2007
    Inventors: Linda S. Coyne, Donald G. Pachuta
  • Triple tube viscosity testing instrument
    Patent number: D331202
    Type: Grant
    Filed: August 29, 1991
    Date of Patent: November 24, 1992
    Assignee: Louis C. Eitzen Co., Inc.
    Inventors: David G. Jeffers, Donald G. Pachuta