Growing community of inventors

Larkspur, CA, United States of America

Richard W Van derDrift

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 = 28

Richard W Van derDrift ↔ Paul S Turin (1 patent)Richard W Van derDrift ↔ Robert G Ullrich (1 patent)Richard W Van derDriftRichard W Van derDrift (1 patent)Paul S TurinPaul S Turin (9 patents)Robert G UllrichRobert G Ullrich (5 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Other (1 from 832,812 patents)


1 patent:

1. 5713708 - Fastener assembly including a self-locking ratchet nut

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as of
12/18/2025
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