Growing community of inventors

Brownsville, TX, United States of America

Robert L Tumberlinson

Average Co-Inventor Count = 2.00

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 = 8

Robert L Tumberlinson ↔ Mauricio Clarke (1 patent)Robert L TumberlinsonRobert L Tumberlinson (1 patent)Mauricio ClarkeMauricio Clarke (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Johnson Electric Automotive, Inc. (1 from 3 patents)


1 patent:

1. 6053060 - Two-piece pinion gear

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as of
12/17/2025
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