Growing community of inventors

Livermore, CA, United States of America

Steven K Petrie

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 = 7

Steven K Petrie ↔ Fred D Lang (1 patent)Steven K Petrie ↔ Arnaldo G Dall'Era (1 patent)Steven K PetrieSteven K Petrie (1 patent)Fred D LangFred D Lang (21 patents)Arnaldo G Dall'EraArnaldo G Dall'Era (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Wahlco Environmental Systems, Inc. (1 from 6 patents)


1 patent:

1. 5327356 - Emissions spectral radiometer/fuel flow instrument

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as of
12/17/2025
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