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Conroe, TX, United States of America

Mark Evans Williams

USPTO Granted Patents = 13 (Patent Applications = 2)

CIPO Patents = 1

Average Co-Inventor Count = 2.1

ph-index = 2

Forward Citations = 221(Granted Patents)

Location History:

Carthage, MO (US) (2000)
New York, NY (US) (2002)
Saranac, MI (US) (2011 - 2014)
The Woodlands, TX (US) (2009 - 2017)
Conroe, TX (US) (2018 - 2021)

Company Filing History:

9 out of 11,766

Halliburton Energy Services, Inc.

4 out of 832,680

Other

patents

Years Active: 2000-2021

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13 patents (USPTO):Sort by Forward Citations

Abstract keywords

1. 10995556 - Drill bits with stick-slip resistance (2021-05-04),

2. 10738537 - Drill bits with stick-slip resistance (2020-08-11),

3. 10619419 - Drill bit having improved journal bearings (2020-04-14),

4. 10519721 - Nested bearing and seal for roller cone drill bit (2019-12-31),

5. 10458186 - Sacrificial spacer for well tool inner seal (2019-10-29),

6. 9988850 - Symmetrical seal (2018-06-05),

7. 9677341 - Drill bit with extended life seal (2017-06-13),

8. 8788440 - Vertical curve system for surface grading (2014-07-22),

9. 8073791 - Vertical curve system for surface grading (2011-12-06),

10. 7543660 - Roller cone drill bit with debris diverter plugs (2009-06-09),

11. 7484572 - Roller cone drill bit with debris flow paths through associated support arms (2009-02-03),

12. 6413612 - Detachable match strike surface (2002-07-02),

13. 6068383 - Phosphorous fluorescent light assembly excited by light emitting diodes (2000-05-30),

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