Growing community of inventors

Sacramento, CA, United States of America

Craig A Spielman

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 = 6

Craig A Spielman ↔ Kevin W Meier (1 patent)Craig A Spielman ↔ Lawrence A Ephan, Jr (1 patent)Craig A Spielman ↔ Daniel E Larson (1 patent)Craig A SpielmanCraig A Spielman (1 patent)Kevin W MeierKevin W Meier (4 patents)Lawrence A Ephan, JrLawrence A Ephan, Jr (1 patent)Daniel E LarsonDaniel E Larson (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Syngenta Participations Ag (1 from 1,777 patents)


1 patent:

1. 9528634 - Agricultural tubing extractor and related methods

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1/5/2026
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