Growing community of inventors

Houston, TX, United States of America

Philippe H Schaeffer

Average Co-Inventor Count = 3.00

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 = 16

Philippe H SchaefferJames M Walker (1 patent)Philippe H SchaefferWilliam T Ilfrey (1 patent)Philippe H SchaefferPhilippe H Schaeffer (1 patent)James M WalkerJames M Walker (6 patents)William T IlfreyWilliam T Ilfrey (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Exxon Production Research Company (1 from 601 patents)


1 patent:

1. 3981357 - Marine riser

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12/18/2025
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