Growing community of inventors

Sugar Land, TX, United States of America

Rolf Ludolf

Average Co-Inventor Count = 7.00

ph-index = 1

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 = 60

Rolf Ludolf ↔ Bennie Gill (3 patents)Rolf Ludolf ↔ Gary L Rytlewski (1 patent)Rolf Ludolf ↔ Klaus B Huber (1 patent)Rolf Ludolf ↔ Steven W Henderson (1 patent)Rolf Ludolf ↔ Laurent E Muller (1 patent)Rolf Ludolf ↔ Bennie Gill (1 patent)Rolf Ludolf ↔ Larry Grigar (1 patent)Rolf Ludolf ↔ Bennie Gill (1 patent)Rolf LudolfRolf Ludolf (1 patent)Bennie GillBennie Gill (3 patents)Gary L RytlewskiGary L Rytlewski (70 patents)Klaus B HuberKlaus B Huber (48 patents)Steven W HendersonSteven W Henderson (17 patents)Laurent E MullerLaurent E Muller (12 patents)Bennie GillBennie Gill (10 patents)Larry GrigarLarry Grigar (9 patents)Bennie GillBennie Gill (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Schlumberger Technology Corporation (1 from 10,180 patents)

2. Schlumberger Canada Limited (16 patents)

3. Klaus B. Huber (0 patent)

4. Gary L. Rytlewski (0 patent)

5. Laurent E. Muller (0 patent)

6. Bennie Gill (0 patent)

7. Steven W. Henderson (0 patent)

8. Larry Grigar (0 patent)

9. Rolf Ludolf (0 patent)


1 patent:

1. 6719061 - Apparatus and method for inserting and retrieving a tool string through well surface equipment

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idiyas.com
as of
12/28/2025
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