Growing community of inventors

Salach, Germany

Otto Bruentrup

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 = 2

Otto BruentrupLothar Ophey (2 patents)Otto BruentrupBernd Kreissig (2 patents)Otto BruentrupOtto Bruentrup (2 patents)Lothar OpheyLothar Ophey (3 patents)Bernd KreissigBernd Kreissig (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ex-cell-o Gmbh (2 from 299 patents)


2 patents:

1. 7353679 - Coldforming machine

2. 7051565 - Cold forming machine

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as of
12/15/2025
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