Growing community of inventors

Richmond, VA, United States of America

Ronald H Hartman

Average Co-Inventor Count = 3.00

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 = 31

Ronald H HartmanLouis H Piper (1 patent)Ronald H HartmanJ David White (1 patent)Ronald H HartmanRonald H Hartman (1 patent)Louis H PiperLouis H Piper (4 patents)J David WhiteJ David White (1 patent)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. The De Hydro Corporation (1 from 8 patents)


1 patent:

1. 4564450 - Rigid filter elements, related apparatus and methods

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