Growing community of inventors

Houston, TX, United States of America

Fred C Tilker

Average Co-Inventor Count = 4.00

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 = 2

Fred C Tilker ↔ Douglas W Nayler (1 patent)Fred C Tilker ↔ James W Albert (1 patent)Fred C Tilker ↔ Gerald W Gilson (1 patent)Fred C TilkerFred C Tilker (1 patent)Douglas W NaylerDouglas W Nayler (9 patents)James W AlbertJames W Albert (2 patents)Gerald W GilsonGerald W Gilson (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Nl Industries (1 from 319 patents)


1 patent:

1. 4466488 - Position indicator for drill string compensator

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as of
12/20/2025
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