Growing community of inventors

Bettendorf, IA, United States of America

John C Campbell

Average Co-Inventor Count = 5.09

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 = 15

John C CampbellJeffrey T Laundre (1 patent)John C CampbellScott R Krebs (1 patent)John C CampbellKyle Jacob Brenner (1 patent)John C CampbellJ Bradley Lukac (1 patent)John C CampbellAlex LeTourneau (1 patent)John C CampbellMichael Terrill (1 patent)John C CampbellMatthew A McCullough (1 patent)John C CampbellMichael S Kohlman (1 patent)John C CampbellDavid J Kroening (1 patent)John C CampbellJohn C Campbell (2 patents)Jeffrey T LaundreJeffrey T Laundre (28 patents)Scott R KrebsScott R Krebs (9 patents)Kyle Jacob BrennerKyle Jacob Brenner (8 patents)J Bradley LukacJ Bradley Lukac (6 patents)Alex LeTourneauAlex LeTourneau (5 patents)Michael TerrillMichael Terrill (2 patents)Matthew A McCulloughMatthew A McCullough (1 patent)Michael S KohlmanMichael S Kohlman (1 patent)David J KroeningDavid J Kroening (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Kohler Company (1 from 3,410 patents)

2. Cnh America LLC (1 from 969 patents)


2 patents:

1. 8562059 - Seat for a bi-directional work vehicle

2. 7748798 - Collapsible furniture and braces useful therewith

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as of
12/13/2025
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