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For the Inventor, By the Inventor

Puteaux, France

Total Fina S.a.


USPTO Granted Patents = 2

Forward Citations = 44

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2 inventors (with patents filed for the assignee):

goldMedal Charles Blanchet (1 out of 1 patent)

silverMedal Paul M Helderle (1 out of 3 patents)


2 patents:

1. 6378611 - Procedure and device for treating well perforations (2002-04-30),
2. 6263970 - Wellhead device for retaining the solid particles carried by the production fluid (2001-07-24),
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USPTO Data Jan 1 1976 - Dec 16 2025

2 Patents

#55 in Puteaux

#5,053 in France

...
Puteaux, France

Total Fina S.a.

Forward Citations = 44

2 inventors:

goldMedal Charles Blanchet (1 out of 1 patent)

silverMedal Paul M Helderle (1 out of 3 patents)

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