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For the Inventor, By the Inventor

Versailles, France

Openfield Sa


USPTO Granted Patents = 3

Forward Citations = 17

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3 inventors (with patents filed for the assignee):

goldMedal Emmanuel Tavernier (3 out of 14 patents)

silverMedal Linda Abbassi (3 out of 12 patents)

bronzeMedal Eric P Donzier (3 out of 28 patents)


3 patents:

1. 11629588 - Method and device for depth positioning downhole tool and associated measurement log of a hydrocarbon well (2023-04-18),
2. 10761238 - Downhole optical chemical compound monitoring device, bottom hole assembly and measurements-while-drilling tool comprising the same, and method of optically monitoring chemical compound downhole during drilling (2020-09-01),
3. 9952192 - Probe, sonde and method for producing signals indicative of local phase composition of a fluid (2018-04-24),
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USPTO Data Jan 1 1976 - Jan 6 2026

3 Patents

#15 in Versailles

#3,966 in France

...
Versailles, France

Openfield Sa

Forward Citations = 17

3 inventors:

goldMedal Emmanuel Tavernier (3 out of 14 patents)

silverMedal Linda Abbassi (3 out of 12 patents)

bronzeMedal Eric P Donzier (3 out of 28 patents)

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