Growing community of inventors

Esslingen-Zell, Germany

Siegfried Hafele

Average Co-Inventor Count = 2.00

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 = 12

Siegfried HafeleGernot Jacob (1 patent)Siegfried HafeleSiegfried Hafele (1 patent)Gernot JacobGernot Jacob (11 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Progress Elektrogerate Gmbh (1 from 2 patents)


1 patent:

1. 5063634 - Floor nozzle for a vacuum cleaner

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12/19/2025
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