Growing community of inventors

Lahr, Germany

Gebhard Lehmann

Average Co-Inventor Count = 3.00

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 = 20

Gebhard LehmannMartin Herrenknecht (1 patent)Gebhard LehmannRolf Heerssen (1 patent)Gebhard LehmannGebhard Lehmann (1 patent)Martin HerrenknechtMartin Herrenknecht (2 patents)Rolf HeerssenRolf Heerssen (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Herrenknecht (1 from 5 patents)


1 patent:

1. 5437500 - Tunneling machine with center cutter and debris removing means

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