Growing community of inventors

Mettmann, Germany

Christof Delhaes

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 = 0

Christof Delhaes ↔ Rolf Kümmerling (13 patents)Christof Delhaes ↔ Stefan Nitsche (9 patents)Christof Delhaes ↔ Rolf Kuemmerling (1 patent)Christof Delhaes ↔ Raphael Michel (1 patent)Christof Delhaes ↔ Heiko Hansen (1 patent)Christof Delhaes ↔ Robert Peters (0 patent)Christof Delhaes ↔ Stefan Weltgen (0 patent)Christof DelhaesChristof Delhaes (1 patent)Rolf KümmerlingRolf Kümmerling (13 patents)Stefan NitscheStefan Nitsche (9 patents)Rolf KuemmerlingRolf Kuemmerling (3 patents)Raphael MichelRaphael Michel (1 patent)Heiko HansenHeiko Hansen (1 patent)Robert PetersRobert Peters (0 patent)Stefan WeltgenStefan Weltgen (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Vallourec Deutschland Gmbh (1 from 19 patents)

2. Voestalpine Tubulars Gmbh & Co. Kg (4 patents)


1 patent:

1. 10100384 - Method for producing a tempered seamlessly hot-fabricated steel pipe

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12/15/2025
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