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London, GB

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Patents Grantslast 30 patents

Information Patent Grant
Use of selected oleophilic ethers in water-based drilling fluids of...
- Patent number 6,596,670
- Issue date Jul 22, 2003
- Cognis Deutschland GmbH & Co. KG
- Heinz Mueller
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Use of selected ester oils in drilling fluids and muds
- Patent number RE36066
- Issue date Jan 26, 1999
- Henkel KGaA
- Heinz Mueller
- 507 - Earth boring, well treating, and oil field chemistry
Information Patent Grant
Formation density measurement apparatus and method
- Patent number 5,451,779
- Issue date Sep 19, 1995
- Baroid Corporation
- Ronald L. Spross
- G01 - MEASURING TESTING
Information Patent Grant
Drilling fluids and muds containing selected ester oils
- Patent number 5,252,554
- Issue date Oct 12, 1993
- Henkel Kommanditgesellschaft auf Aktien
- Heinz Mueller
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
74349510 - BAROID ENGINEERED DRILLING SERVICES
- Serial number 74349510
- Filing date Jan 19, 1993
- Baroid Corporation
- 37 - Building construction