Growing community of inventors

Oberhausen, Germany

Josef Schaub

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 = 12

Josef Schaub ↔ Rudolf Kellersohn (1 patent)Josef Schaub ↔ Klaus-Dieter Konrad (1 patent)Josef Schaub ↔ Hans Steck (1 patent)Josef Schaub ↔ Gerhard Marte (0 patent)Josef Schaub ↔ Daniel Schatzmann (0 patent)Josef SchaubJosef Schaub (1 patent)Rudolf KellersohnRudolf Kellersohn (2 patents)Klaus-Dieter KonradKlaus-Dieter Konrad (1 patent)Hans SteckHans Steck (1 patent)Gerhard MarteGerhard Marte (0 patent)Daniel SchatzmannDaniel Schatzmann (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ruhrchemie Aktiengesellschaft (1 from 125 patents)

2. Fries Planungs- Und Marketinggesellschaft M.b.h. (4 patents)

3. Fhw-moulds Gmbh (0 patent)

4. Friedrich H. Weischede Formenbau Gmbh (0 patent)


1 patent:

1. 4288266 - Method for heated tool butt welding of tube and pipe of thermoplastic

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as of
12/18/2025
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