Growing community of inventors

Bronx, NY, United States of America

David Ulman

Average Co-Inventor Count = 2.00

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 = 22

David UlmanGene S Fleischer (1 patent)David UlmanDavid Ulman (1 patent)Gene S FleischerGene S Fleischer (3 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. H-Tech, LLC (1 from 55 patents)


1 patent:

1. 6221321 - Chemical feeder

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1/11/2026
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