Growing community of inventors

Hermosa Beach, CA, United States of America

John R Esopa

Average Co-Inventor Count = 4.00

ph-index = 2

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 = 26

John R Esopa ↔ Marshall Patton Saville (2 patents)John R Esopa ↔ Thomas K Rigney, Ii (2 patents)John R Esopa ↔ Timothy R Armstrong (2 patents)John R EsopaJohn R Esopa (2 patents)Marshall Patton SavilleMarshall Patton Saville (30 patents)Thomas K Rigney, IiThomas K Rigney, Ii (6 patents)Timothy R ArmstrongTimothy R Armstrong (5 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Alliedsignal Inc. (2 from 3,002 patents)


2 patents:

1. 5130588 - Cylindrical composite superconductor bearing

2. 5126611 - Composite superconductor disc bearing

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as of
1/14/2026
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