Growing community of inventors

Kalamazoo, MI, United States of America

James F Washburn

Average Co-Inventor Count = 5.00

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 = 46

James F Washburn ↔ Michael P Hellman (2 patents)James F Washburn ↔ Donald J Hume (2 patents)James F Washburn ↔ Anthony Sajkowski (2 patents)James F Washburn ↔ Andrew F Drenick (2 patents)James F WashburnJames F Washburn (2 patents)Michael P HellmanMichael P Hellman (6 patents)Donald J HumeDonald J Hume (5 patents)Anthony SajkowskiAnthony Sajkowski (2 patents)Andrew F DrenickAndrew F Drenick (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Armstrong International, Inc. (2 from 40 patents)


2 patents:

1. 6145529 - Monitoring steam traps using RF signaling

2. 5992436 - Monitoring steam traps using RF signaling

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as of
12/15/2025
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