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Warrenville, IL, United States of America

Gerry W Zajac

Average Co-Inventor Count = 3.20

ph-index = 5

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 = 63

Gerry W ZajacJames M Gallas (4 patents)Gerry W ZajacRichard L Panosh (3 patents)Gerry W ZajacSteven Alan Cohen (2 patents)Gerry W ZajacMark S Kleefisch (2 patents)Gerry W ZajacMark P Kaminsky (2 patents)Gerry W ZajacAlakananda A Bhattacharyya (1 patent)Gerry W ZajacJames F Brazdil (1 patent)Gerry W ZajacJeffrey W Elam (1 patent)Gerry W ZajacMichael J Pellin (1 patent)Gerry W ZajacClaus G Lugmair (1 patent)Gerry W ZajacJoseph A Libera (1 patent)Gerry W ZajacPeter C Stair (1 patent)Gerry W ZajacBhagya Chandra Sutradhar (1 patent)Gerry W ZajacGerry W Zajac (8 patents)James M GallasJames M Gallas (20 patents)Richard L PanoshRichard L Panosh (12 patents)Steven Alan CohenSteven Alan Cohen (53 patents)Mark S KleefischMark S Kleefisch (27 patents)Mark P KaminskyMark P Kaminsky (23 patents)Alakananda A BhattacharyyaAlakananda A Bhattacharyya (145 patents)James F BrazdilJames F Brazdil (87 patents)Jeffrey W ElamJeffrey W Elam (86 patents)Michael J PellinMichael J Pellin (35 patents)Claus G LugmairClaus G Lugmair (22 patents)Joseph A LiberaJoseph A Libera (17 patents)Peter C StairPeter C Stair (11 patents)Bhagya Chandra SutradharBhagya Chandra Sutradhar (6 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Other (4 from 832,680 patents)

2. Amoco Corporation (2 from 1,528 patents)

3. Uchicago Argonne, LLC (1 from 874 patents)

4. Ineos USA LLC (1 from 54 patents)


8 patents:

1. 7972569 - Catalyst and systems incorporating the catalyst

2. 7754910 - Mixed metal oxide catalysts for the ammoxidation of propane and isobutane

3. 6437559 - Device for measuring the velocity of a magnetically receptive object

4. 6228410 - Method and apparatus for extending the freshness of coffee and indicating its freshness

5. 5956151 - Beverage freshness monitor

6. 5724882 - Brewed beverage maker with optical feedback system

7. 5059740 - Tin-containing composition and use

8. 4971940 - Tin-containing composition and use

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as of
12/8/2025
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