Growing community of inventors

Lichtenau, Germany

Erich Stiefel

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 = 5

Erich Stiefel ↔ Bernd Mehlan (1 patent)Erich Stiefel ↔ Josef Bayer (1 patent)Erich Stiefel ↔ Klaus Lechner (1 patent)Erich Stiefel ↔ Klaus Kracher (1 patent)Erich Stiefel ↔ Peter Scheuerlein (0 patent)Erich Stiefel ↔ Thomas Förtsch (0 patent)Erich StiefelErich Stiefel (1 patent)Bernd MehlanBernd Mehlan (10 patents)Josef BayerJosef Bayer (3 patents)Klaus LechnerKlaus Lechner (1 patent)Klaus KracherKlaus Kracher (1 patent)Peter ScheuerleinPeter Scheuerlein (0 patent)Thomas FörtschThomas Förtsch (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sielaff Gmbh & Co. Automatenbau Herrieden (1 from 6 patents)

2. Sielaff Gmbh & Co. Kg Automatenbau (3 patents)


1 patent:

1. 4768680 - Dispensing unit for vending machines

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as of
12/19/2025
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