Wyoming Inventors Database
Wyoming Inventors : Name Search Results

David Hansen has a total of 8 patent(s) in the database.

* Some patents in this database have one or more inventors, not all of whom may be from Wyoming.

 

  1. Patent Number: 5753200     View patent at USPTO
    Title: SODIUM METABISULFITE PROCESS
    Assignee: Solvay Minerals, Inc.
    Issue Date: May 19, 1998
    Inventor(s): David M. Hansen, Green River, WY
    Jim P. Metziner, Green River, WY
    Vladimir M. Zolotoochin, The Woodlands, TX

  2. Patent Number: 5976485     View patent at USPTO
    Title: SODIUM METABISULFITE PROCESS
    Assignee: Solvay Minerals, Inc.
    Issue Date: November 02, 1999
    Inventor(s): David M. Hansen, Green River, WY
    Jim P. Metziner, Green River, WY
    Vladimir M. Zolotoochin, The Woodlands, TX

  3. Patent Number: 8372162     View patent at USPTO
    Title: METHOD OF PRODUCING SODIUM CARBONATE DECAHYDRATE
    Assignee: Solvay Chemicals, Inc. (Houston, TX)
    Issue Date: February 12, 2013
    Inventor(s): John T. Fuller, Green River, WY
    David M. Hansen, Green River, WY

  4. Patent Number: 9051188     View patent at USPTO
    Title: SODIUM BICARBONATE PRODUCT WITH EXCELLENT FLOWABILITY AND ITS METHOD OF MANUFACTURE
    Assignee: SOLVAY CHEMICALS, INC. (Houston, TX)
    Issue Date: June 9, 2015
    Inventor(s): David M. Hansen, Green River, WY
    Jessica A. Mote, Kaycee, WY
    James D. Phillip, Green River, WY
    Todd Wilson, Kingwood, TX

  5. Patent Number: 9382125     View patent at USPTO
    Title: PRODUCTION OF CRYSTALLINE SODIUM BICARBONATE USING CO.SUB.2 RECOVERED FROM ANOTHER ALKALI PRODUCTION PROCESS
    Assignee: SOLVAY CHEMICALS, INC. (Houston, TX)
    Issue Date: July 5, 2016
    Inventor(s): David M. Hansen, Green River, WY
    James C. Kisielewski, Green River, WY

  6. Patent Number: 9638017     View patent at USPTO
    Title: BATCH SOLUTION MINING USING LITHOLOGICAL DISPLACEMENT OF AN EVAPORITE MINERAL STRATUM AND MINERAL DISSOLUTION WITH STATIONARY SOLVENT
    Assignee: Solvay SA (Brussels, BE)
    Issue Date: May 2, 2017
    Inventor(s): Todd Brichacek, Green River, WY
    Herve Cuche, Waterloo, BE
    Jean-Paul Detournay, Brussels, BE
    David M. Hansen, Green River, WY
    Ronald O. Hughes, Green River, WY
    John Kolesar, Green River, WY
    Beatrice C. Ortego, Katy, TX
    Matteo Paperini, Green River, WY
    Justin T. Patterson, Mountain View, WY
    Larry C. Refsdal, Green River, WY
    Ryan Schmidt, Green River, WY
    Joseph A. Vendetti, Green River, WY

  7. Patent Number: 9677398     View patent at USPTO
    Title: USE OF VENTILATION AIR METHANE EXHAUSTED DURING MINING OF NON-COMBUSTIBLE ORE IN A SURFACE APPLIANCE
    Assignee: Solvay Chemicals, Inc. (Houston, TX)
    Issue Date: June 13, 2017
    Inventor(s): David M. Hansen, Green River, WY
    Ronald O. Hughes, Green River, WY
    Bryan M. Mortimer, Highlands Ranch, CO

  8. Patent Number: 9879516     View patent at USPTO
    Title: MULTI-WELL SOLUTION MINING EXPLOITATION OF AN EVAPORITE MINERAL STRATUM
    Assignee: Solvay SA (Brussels, BE)
    Issue Date: January 30, 2018
    Inventor(s): Todd Brichacek, Green River, WY
    Herve Cuche, Waterloo, BE
    Jean-Paul Detournay, Floreffe, BE
    David M. Hansen, Green River, WY
    Ronald O. Hughes, Green River, WY
    John Kolesar, Green River, WY
    Beatrice C. Ortego, Katy, TX
    Matteo Paperini, Green River, WY
    Justin T. Patterson, Mountain View, WY
    Larry C. Refsdal, Green River, WY
    Ryan Schmidt, Green River, WY
    Joseph A. Vendetti, Green River, WY