Growing community of inventors

Cleveland, OH, United States of America

John R Gruber

Average Co-Inventor Count = 1.38

ph-index = 3

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 = 54

John R GruberPaul F Petriekis (1 patent)John R GruberJohn H Schwan (1 patent)John R GruberJames Zavodsky (1 patent)John R GruberRobert A Van Beek (1 patent)John R GruberJoe Hall (1 patent)John R GruberJohn R Gruber (3 patents)Paul F PetriekisPaul F Petriekis (12 patents)John H SchwanJohn H Schwan (4 patents)James ZavodskyJames Zavodsky (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. Other (2 from 832,718 patents)

2. Packaging Systems LLC (1 from 20 patents)


3 patents:

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

2. 4388547 - Current generator

3. 4051402 - Shell rotor direct current generator

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as of
12/12/2025
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