Growing community of inventors

Bergheim, Germany

Erwin Spiegel

Average Co-Inventor Count = 2.57

ph-index = 6

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 = 117

Erwin SpiegelHans Vogt (4 patents)Erwin SpiegelHerbert Kloppe (3 patents)Erwin SpiegelHeinz Rest (1 patent)Erwin SpiegelAxel Rauthmann (1 patent)Erwin SpiegelOskar Hurten (1 patent)Erwin SpiegelErwin Spiegel (6 patents)Hans VogtHans Vogt (11 patents)Herbert KloppeHerbert Kloppe (6 patents)Heinz RestHeinz Rest (6 patents)Axel RauthmannAxel Rauthmann (5 patents)Oskar HurtenOskar Hurten (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ford Motor Company Limited (6 from 6,153 patents)


6 patents:

1. 4950522 - Plastic construction member for a motor vehicle

2. 4598008 - Sandwich component for the bodywork of a motor vehicle

3. 4559274 - Composite components of sandwich construction

4. 4475765 - Motor vehicle roof of composite material

5. 4410211 - Motor vehicle body with concealed drip rail

6. 4005900 - Vehicle roof with moveable panel

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as of
1/13/2026
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