For the Inventor, By the Inventor

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Houston, TX, United States of America

Baroid Drilling Fluids, Inc.

USPTO Granted Patents = 3

CIPO Patents = 1

Trademarks = 1

Forward Citations = 12

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8 inventors (with patents filed for the assignee):

Mara Stein (3 out of 3 patents)

E C Lupton (3 out of 10 patents)

M J Timm (3 out of 3 patents)

4. Marie Kearney (3 out of 3 patents)

5. David Diggs (3 out of 3 patents)

6. Barry Hand (3 out of 3 patents)

7. Michael Orkisz (3 out of 3 patents)

8. Lev Bromberg (3 out of 11 patents)

9. Jean-Marc Braun (2 patents)

10. Heinz Mueller (0 patent)

11. Stephan Von Tapavicza (0 patent)

12. Stuart Pt Smith (0 patent)

13. Douglas Jones Grimes (0 patent)

3 patents: Sort by Forward Citations

1. 6153669 - Drilling compositions and methods (2000-11-28),

2. 6110876 - Drilling compositions and methods (2000-08-29),

3. 5888943 - Drilling compositions and methods (1999-03-30),

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USPTO Data Jan 1 1976 - Dec 30 2025

3 Patents

#1,192 in Houston, TX

#4,686 in Texas

#72,030 in US

Houston, TX, United States of America

Baroid Drilling Fluids, Inc.

Forward Citations = 12

8 inventors:

Mara Stein (3 out of 3 patents)

E C Lupton (3 out of 10 patents)

M J Timm (3 out of 3 patents)

4. Marie Kearney (3 out of 3 patents)

5. David Diggs (3 out of 3 patents)

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