Growing community of inventors

Wexford, PA, United States of America

Richard A Heilman

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 = 38

Richard A HeilmanCharles B Greenberg (1 patent)Richard A HeilmanRichard A Heilman (1 patent)Charles B GreenbergCharles B Greenberg (26 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Ppg Industries Ohio, Inc. (1 from 1,743 patents)


1 patent:

1. 6054227 - Photocatalytically-activated self-cleaning appliances

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