Growing community of inventors

Obernkirchen, Germany

Ralf Twellmann

Average Co-Inventor Count = 3.36

ph-index = 3

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 = 18

Ralf TwellmannChristof Gerhardy (5 patents)Ralf TwellmannMatthias Oberlaender (4 patents)Ralf TwellmannAlexander Sabo (2 patents)Ralf TwellmannMatthias Oberländer (2 patents)Ralf TwellmannChristian Felsch Von Wild (1 patent)Ralf TwellmannKarin Sundmacher (1 patent)Ralf TwellmannChristian Felsch Von Wild (1 patent)Ralf TwellmannChristian Felsch V Wild (1 patent)Ralf TwellmannRalf Twellmann (7 patents)Christof GerhardyChristof Gerhardy (6 patents)Matthias OberlaenderMatthias Oberlaender (4 patents)Alexander SaboAlexander Sabo (7 patents)Matthias OberländerMatthias Oberländer (2 patents)Christian Felsch Von WildChristian Felsch Von Wild (1 patent)Karin SundmacherKarin Sundmacher (1 patent)Christian Felsch Von WildChristian Felsch Von Wild (1 patent)Christian Felsch V WildChristian Felsch V Wild (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Steute Schaltgeraete Gmbh & Co. Kg (3 from 4 patents)

2. Karl Storz Se Co. & Kg (2 from 370 patents)

3. Steute Technologies Gmbh&co. Kg (1 from 6 patents)

4. Steute Schaltgeräte Gmbh & Co. Kg (1 from 1 patent)


7 patents:

1. D997238 - Foot switch

2. D902872 - Foot switch

3. D868007 - Foot switch

4. D863232 - Foot switch

5. D863233 - Foot switch

6. D863234 - Foot switch

7. D860955 - Foot switch

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idiyas.com
as of
12/19/2025
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