D. Michael Dennis

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Bartlesville, OK, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for on-site nitrate production for a water pro...
- Patent number 7,992,641
- Issue date Aug 9, 2011
- Nitra-Gen LLC
- Donald O. Hitzman
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method and apparatus for on-site nitrate production for a water pro...
- Patent number 7,934,544
- Issue date May 3, 2011
- Nitra-Gen LLC
- Donald O. Hitzman
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method and apparatus for on-site nitrate production for a water pro...
- Patent number 7,828,061
- Issue date Nov 9, 2010
- Nitra-Gen LLC
- Donald O. Hitzman
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Method for on-site production of nitrate ions
- Patent number 7,604,741
- Issue date Oct 20, 2009
- The Lata Group Inc.
- Donald O. Hitzman
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Apparatus for on-site production of nitrate ions
- Patent number 7,514,058
- Issue date Apr 7, 2009
- The Lata Group, Inc.
- Donald O. Hitzman
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR ON-SITE NITRATE PRODUCTION FOR A WATER PRO...
- Publication number 20110014091
- Publication date Jan 20, 2011
- Nitra-Gen LLC
- Donald O. HITZMAN
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD AND APPARATUS FOR ON-SITE NITRATE PRODUCTION FOR A WATER PRO...
- Publication number 20110008217
- Publication date Jan 13, 2011
- Nitra-Gen LLC
- Donald O. HITZMAN
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
METHOD AND APPARATUS FOR ON-SITE NITRATE PRODUCTION FOR A WATER PRO...
- Publication number 20100256022
- Publication date Oct 7, 2010
- The LATA Group, Inc.
- Donald O. HITZMAN
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL