Growing community of inventors

Bellvue, CO, United States of America

Steven Zelenak

Average Co-Inventor Count = 5.00

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 = 11

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

Company Filing History:

1. Hach Company (1 from 224 patents)


1 patent:

1. 5397452 - Reference electrode

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as of
1/14/2026
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