Growing community of inventors

Steinbach, Germany

Karl Birkert

Average Co-Inventor Count = 2.40

ph-index = 2

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 = 21

Karl BirkertHeinz Marburger (2 patents)Karl BirkertGunter R Kullik (1 patent)Karl BirkertKarl Birkert (2 patents)Heinz MarburgerHeinz Marburger (3 patents)Gunter R KullikGunter R Kullik (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Rowenta Werke Gmbh (2 from 234 patents)


2 patents:

1. 5044263 - Electrically heated toaster

2. 4878423 - Electric toaster

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idiyas.com
as of
12/18/2025
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