Growing community of inventors

Fort Collins, CO, United States of America

John R Dunkle

Average Co-Inventor Count = 2.86

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 = 12

John R Dunkle ↔ Nelson E Dervaes (1 patent)John R Dunkle ↔ Gary W Johnson (1 patent)John R Dunkle ↔ Michael D Buck (1 patent)John R Dunkle ↔ James D McWilliams (1 patent)John R Dunkle ↔ Steven Zelenak (1 patent)John R DunkleJohn R Dunkle (2 patents)Nelson E DervaesNelson E Dervaes (7 patents)Gary W JohnsonGary W Johnson (3 patents)Michael D BuckMichael D Buck (2 patents)James D McWilliamsJames D McWilliams (1 patent)Steven ZelenakSteven Zelenak (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Hach Company (2 from 223 patents)


2 patents:

1. 5397452 - Reference electrode

2. 5393402 - Electrode with crystal membrane

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as of
1/13/2026
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