Growing community of inventors

Plymouth, MI, United States of America

John Krumbach

Average Co-Inventor Count = 8.00

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 = 72

John Krumbach ↔ Robert Koehr (1 patent)John Krumbach ↔ Rolf Heyll (1 patent)John Krumbach ↔ Sigfried Walter (1 patent)John Krumbach ↔ Felix Kybart (1 patent)John Krumbach ↔ Gerhard Koenig (1 patent)John Krumbach ↔ John Catterall (1 patent)John Krumbach ↔ Andrew Wolf (1 patent)John KrumbachJohn Krumbach (1 patent)Robert KoehrRobert Koehr (6 patents)Rolf HeyllRolf Heyll (3 patents)Sigfried WalterSigfried Walter (1 patent)Felix KybartFelix Kybart (1 patent)Gerhard KoenigGerhard Koenig (1 patent)John CatterallJohn Catterall (1 patent)Andrew WolfAndrew Wolf (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ulsab Trust (1 from 1 patent)


1 patent:

1. 5729463 - Designing and producing lightweight automobile bodies

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as of
12/18/2025
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