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For the Inventor, By the Inventor

Calgary, Canada

Schlumberger Canada Limited


USPTO Granted Patents = 16



Trademarks = 9

Forward Citations = 232

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18 inventors (with patents filed for the assignee):

goldMedal Chesley R Howell (6 out of 6 patents)

silverMedal Marinus Hartman (3 out of 3 patents)

bronzeMedal Fred Harmat (2 out of 5 patents)

4.  John D Arnason (2 out of 2 patents)

5.  Michael J Hampton (2 out of 2 patents)

6.  Randy Saunders (2 out of 2 patents)

7.  Murray Hartman (2 out of 2 patents)

8.  Frank J Martin (2 out of 2 patents)

9.  Jeffrey Charles Saponja (1 out of 18 patents)

10.  Rob Hari (1 out of 4 patents)

11.  Dave Kimery (1 out of 2 patents)

12.  Tim Keith (1 out of 3 patents)

13.  Shawn Deugo (1 out of 6 patents)

14.  John D Jeter (1 out of 30 patents)

15.  Alain Roig (1 out of 1 patent)


16 patents:

1. 11306575 - Releasably connectible downhole flow diverter for separating gases from liquids (2022-04-19),
2. 10399118 - Apparatus for treating a wellbore screen and method (2019-09-03),
3. 10323489 - Apparatus and methods for treating a wellbore screen (2019-06-18),
4. 5495238 - Induction watt-hour meter non-intrusive and concealed pulse initiator (1996-02-27),
5. 5399966 - Induction watt-hour meter rotary disc mounting and bearing system (1995-03-21),
6. 5364290 - Electric utility revenue meter polycarbonate base (1994-11-15),
7. 5196783 - Vent for electricity metering device (1993-03-23),
8. 5181166 - Securing mechanism for an electricity metering device (1993-01-19),
9. 5134544 - Cable retaining mechanism for an electricity metering device (1992-07-28),
10. 5088004 - Electricity metering device with cover (1992-02-11),
11. 5073877 - Signal pressure pulse generator (1991-12-17),
12. D299254 - Name plate (1989-01-03),
13. 4736644 - Adjustable gear support bracket (1988-04-12),
14. 4640985 - Snap-fitting transformer terminal cover (1987-02-03),
15. 4488152 - Register position sensing and controlling apparatus (1984-12-11),
Schlumberger Canada Limited is a leading provider of technology and services to the global energy industry. With a presence in over 120 countries, Schlumberger offers innovative solutions for reservoir characterization, drilling, production, and processing. Their expertise in oilfield services helps customers optimize production and improve efficiency.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Jan 13 2026

16 Patents

#69 in Calgary

#893 in Canada

#36,749 in the World

...
Calgary, Canada

Schlumberger Canada Limited

Forward Citations = 232

18 inventors:

goldMedal Chesley R Howell (6 out of 6 patents)

silverMedal Marinus Hartman (3 out of 3 patents)

bronzeMedal Fred Harmat (2 out of 5 patents)

4.  John D Arnason (2 out of 2 patents)

5.  Michael J Hampton (2 out of 2 patents)

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