Growing community of inventors

Pittsburgh, PA, United States of America

Dennis C Kowalczyk

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 = 76

Dennis C Kowalczyk ↔ Bruce A Bricklemyer (1 patent)Dennis C Kowalczyk ↔ Joseph J Svoboda (1 patent)Dennis C KowalczykDennis C Kowalczyk (1 patent)Bruce A BricklemyerBruce A Bricklemyer (1 patent)Joseph J SvobodaJoseph J Svoboda (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. The Pittsburg & Midway Coal Mining Co. (1 from 9 patents)


1 patent:

1. 4422927 - Process for removing polymer-forming impurities from naphtha fraction

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12/17/2025
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