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For the Inventor, By the Inventor

St Cyr l'Ecole, France

Daniel Vannier

This inventor holds 3 USPTO granted patents. Top assignee: Schlumberger Technology Corporation. Active years: 1981-1989.

USPTO Granted Patents = 3

% Patents Active = 100.0

Average Co-Inventor Count = 1.6

ph-index = 3

Forward Citations = 85(Granted Patents)


Location History:

  • Versailles, FR (1981)
  • St Cyr l'Ecole, FR (1986 - 1989)

Company Filing History:

goldMedal3 out of 10,706 
 
Schlumberger Technology Corporation
 patents

Years Active: 1981-1989

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3 patents (USPTO):Explore Patents
1. 4862090 - Measuring pad arrangement for a logging sonde (1989-08-29),
2. 4595055 - Centering apparatus (1986-06-17),
3. 4286217 - Device for electrode-type electrical logging tools and tool (1981-08-25),
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