Growing community of inventors

Palatine, IL, United States of America

John H Schwan

Average Co-Inventor Count = 2.40

ph-index = 4

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 = 45

John H Schwan ↔ Clem T Kalamaras (3 patents)John H Schwan ↔ Paul F Petriekis (1 patent)John H Schwan ↔ James Zavodsky (1 patent)John H Schwan ↔ John R Gruber (1 patent)John H Schwan ↔ Robert A Van Beek (1 patent)John H Schwan ↔ Joe Hall (1 patent)John H SchwanJohn H Schwan (4 patents)Clem T KalamarasClem T Kalamaras (3 patents)Paul F PetriekisPaul F Petriekis (12 patents)James ZavodskyJames Zavodsky (3 patents)John R GruberJohn R Gruber (3 patents)Robert A Van BeekRobert A Van Beek (1 patent)Joe HallJoe Hall (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Packaging Systems LLC (1 from 20 patents)


4 patents:

1. 5417341 - Box and a packaging system for containing elongate fragile objects

2. D308456 - Beverage tumbler

3. D301001 - Beverage tumbler

4. D301002 - Beverage tumbler

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as of
12/13/2025
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