Growing community of inventors

West Chester, PA, United States of America

Joseph H Keller

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 = 0

Joseph H KellerFred G Baur (1 patent)Joseph H KellerJoseph H Keller (1 patent)Fred G BaurFred G Baur (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Met Pro Corporation (1 from 6 patents)


1 patent:

1. 4456702 - Abatement screen catalyst

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12/17/2025
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