Growing community of inventors

Reichenbach, Germany

Hellmuth Knoell

Average Co-Inventor Count = 4.00

ph-index = 2

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 = 25

Hellmuth Knoell ↔ Horst Pennewiss (2 patents)Hellmuth Knoell ↔ Gerhard Markert (2 patents)Hellmuth Knoell ↔ Heinz Jost (2 patents)Hellmuth KnoellHellmuth Knoell (2 patents)Horst PennewissHorst Pennewiss (38 patents)Gerhard MarkertGerhard Markert (13 patents)Heinz JostHeinz Jost (10 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Rohm Gmbh (2 from 363 patents)


2 patents:

1. 4338418 - Process for graft copolymerization

2. 4281081 - Process for graft copolymerization

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as of
1/17/2026
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