Growing community of inventors

Boonville, NY, United States of America

Douglas M Crumb

Average Co-Inventor Count = 4.00

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 = 24

Douglas M CrumbFredrick M Richards (1 patent)Douglas M CrumbLawrence A Weinstein (1 patent)Douglas M CrumbRex A Niles (1 patent)Douglas M CrumbDouglas M Crumb (1 patent)Fredrick M RichardsFredrick M Richards (29 patents)Lawrence A WeinsteinLawrence A Weinstein (17 patents)Rex A NilesRex A Niles (11 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Diemolding Corporation (1 from 12 patents)


1 patent:

1. 5984873 - Incentive spirometer

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as of
12/14/2025
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