Growing community of inventors

The Woodlands, TX, United States of America

David O Johnson

Average Co-Inventor Count = 3.88

ph-index = 7

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 137

David O JohnsonNeal Gregory Skinner (6 patents)David O JohnsonPaul David Ringgenberg (6 patents)David O JohnsonJohn Laureto Maida, Jr (5 patents)David O JohnsonJose Sierra (5 patents)David O JohnsonDiederik W Van Batenburg (3 patents)David O JohnsonGerard Glasbergen (3 patents)David O JohnsonDavid P Ewert (3 patents)David O JohnsonJames L Haney (3 patents)David O JohnsonMary Van Domelen (2 patents)David O JohnsonJohn L Maida (1 patent)David O JohnsonStephen R Thompson (1 patent)David O JohnsonMary Van Domeien (1 patent)David O JohnsonChristopher David (1 patent)David O JohnsonC Jason Pinto (1 patent)David O JohnsonDavid O Johnson (12 patents)Neal Gregory SkinnerNeal Gregory Skinner (138 patents)Paul David RinggenbergPaul David Ringgenberg (137 patents)John Laureto Maida, JrJohn Laureto Maida, Jr (65 patents)Jose SierraJose Sierra (6 patents)Diederik W Van BatenburgDiederik W Van Batenburg (18 patents)Gerard GlasbergenGerard Glasbergen (8 patents)David P EwertDavid P Ewert (7 patents)James L HaneyJames L Haney (5 patents)Mary Van DomelenMary Van Domelen (6 patents)John L MaidaJohn L Maida (64 patents)Stephen R ThompsonStephen R Thompson (1 patent)Mary Van DomeienMary Van Domeien (1 patent)Christopher DavidChristopher David (1 patent)C Jason PintoC Jason Pinto (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Halliburton Energy Services, Inc. (7 from 11,766 patents)

2. Welldynamics, B.v. (5 from 10 patents)


12 patents:

1. 8757891 - Fiber optic splice housing and integral dry mate connector system

2. 8550721 - Fiber optic splice housing and integral dry mate connector system

3. 8550722 - Fiber optic splice housing and integral dry mate connector system

4. 8523454 - Fiber optic splice housing and integral dry mate connector system

5. 8511907 - Fiber optic splice housing and integral dry mate connector system

6. 8028751 - Perforation method and apparatus

7. 7779683 - Tracking fluid displacement along a wellbore using real time temperature measurements

8. 7730774 - Tracking fluid displacement along a wellbore using real time temperature measurements

9. 7641395 - Fiber optic splice housing and integral dry mate connector system

10. 7637318 - Pressure communication assembly external to casing with connectivity to pressure source

11. 7398680 - Tracking fluid displacement along a wellbore using real time temperature measurements

12. 7360412 - Single point and fiber optic temperature measurement for correction of a gas column weight in a well

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
12/5/2025
Loading…