Patents by Inventor Harold Henry Gunardson

Harold Henry Gunardson 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).

  • Generation of elevated pressure gas mixtures by absorption and stripping
    Patent number: 7083662
    Abstract: Method of making a product gas mixture comprising providing a first gas mixture, contacting the first gas mixture with a lean absorber liquid at a first pressure and absorbing a portion of the first gas mixture in the lean absorber liquid to provide a rich absorber liquid and a non-absorbed residual gas, pressurizing the rich absorber liquid provide a pressurized rich absorber liquid, stripping the pressurized rich absorber liquid with a stripping gas at a second pressure greater than the first pressure to provide a pressurized lean absorber liquid and the product gas mixture, and reducing the pressure of the pressurized lean absorber liquid to provide the lean absorber liquid at the first pressure.
    Type: Grant
    Filed: December 18, 2003
    Date of Patent: August 1, 2006
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Jianguo Xu, Xiang-Dong Peng, Harold Henry Gunardson