Growing community of inventors

Salzgitter, Germany

Gerhard Esfeld

Average Co-Inventor Count = 5.00

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 = 8

Gerhard Esfeld ↔ Rudolf Hebel (1 patent)Gerhard Esfeld ↔ Walter Laux (1 patent)Gerhard Esfeld ↔ Arnold Jacob (1 patent)Gerhard Esfeld ↔ Peter Artelt (1 patent)Gerhard EsfeldGerhard Esfeld (1 patent)Rudolf HebelRudolf Hebel (5 patents)Walter LauxWalter Laux (3 patents)Arnold JacobArnold Jacob (1 patent)Peter ArteltPeter Artelt (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Didier-werke Ag (1 from 203 patents)

2. Stahlwerke Peine-salzgitter Ag (1 from 19 patents)


1 patent:

1. 4259064 - Ceramic burner

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as of
12/17/2025
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