Growing community of inventors

Sindelfingen, Germany

Hans P Spreng

Average Co-Inventor Count = 7.00

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 = 7

Hans P SprengJohann Tomforde (1 patent)Hans P SprengWerner Breitschwerdt (1 patent)Hans P SprengRudiger Hoffmann (1 patent)Hans P SprengWerner Heiss (1 patent)Hans P SprengGunter Siegel (1 patent)Hans P SprengAxel Stehle (1 patent)Hans P SprengHans P Spreng (1 patent)Johann TomfordeJohann Tomforde (43 patents)Werner BreitschwerdtWerner Breitschwerdt (24 patents)Rudiger HoffmannRudiger Hoffmann (10 patents)Werner HeissWerner Heiss (7 patents)Gunter SiegelGunter Siegel (6 patents)Axel StehleAxel Stehle (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Daimler-benz Ag (1 from 1,777 patents)


1 patent:

1. 3994525 - Roof for motor vehicles

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as of
12/17/2025
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