Growing community of inventors

Schwaikheim, Germany

Helmut Köstner

Average Co-Inventor Count = 4.00

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 = 1

Helmut KöstnerRoland Schierling (1 patent)Helmut KöstnerNorbert Apfel (1 patent)Helmut KöstnerNorbert Rehbein (1 patent)Helmut KöstnerHelmut Köstner (1 patent)Roland SchierlingRoland Schierling (22 patents)Norbert ApfelNorbert Apfel (13 patents)Norbert RehbeinNorbert Rehbein (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Andreas Stihl Ag & Co. (1 from 170 patents)


1 patent:

1. 7225713 - Cutting blade for a motor-driven, manually-guided implement

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as of
12/10/2025
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