Growing community of inventors

Werdohl, Germany

Reinhold Spieker

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 = 6

Reinhold SpiekerReiner Janca (1 patent)Reinhold SpiekerReinhold Spieker (1 patent)Reiner JancaReiner Janca (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Leopold Kostal Gmbh & Co. Kg (1 from 190 patents)


1 patent:

1. 5543693 - Method for the control of the opening and closing process of

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12/12/2025
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