Growing community of inventors

Keller, TX, United States of America

Robert A Crane

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 = 5

Robert A Crane ↔ John Joseph Napiorkowski (1 patent)Robert A Crane ↔ Boyd Grant Brower (1 patent)Robert A Crane ↔ William J Shannon (1 patent)Robert A CraneRobert A Crane (1 patent)John Joseph NapiorkowskiJohn Joseph Napiorkowski (40 patents)Boyd Grant BrowerBoyd Grant Brower (33 patents)William J ShannonWilliam J Shannon (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Siecor Corporation (1 from 214 patents)


1 patent:

1. 5557065 - Overvoltage protectors sealed with gel

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12/13/2025
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