Growing community of inventors

Pittsburgh, PA, United States of America

Frederick A Falk

Average Co-Inventor Count = 3.43

ph-index = 2

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

Frederick A Falk ↔ Joseph M Makhlouf (2 patents)Frederick A Falk ↔ Robert M Piccirilli (2 patents)Frederick A Falk ↔ Roger M Christenson (1 patent)Frederick A FalkFrederick A Falk (2 patents)Joseph M MakhloufJoseph M Makhlouf (17 patents)Robert M PiccirilliRobert M Piccirilli (16 patents)Roger M ChristensonRoger M Christenson (45 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ppg Industries, Inc. (2 from 2,825 patents)


2 patents:

1. 4693846 - Urethane-modified rosin esters

2. 4639492 - Phenolic-modified rosin esters

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as of
12/31/2025
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