Growing community of inventors

Aalsmeer, Netherlands

Walter Stam

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 = 0

Walter Stam ↔ Evert Jonathan Van Den Ham (1 patent)Walter Stam ↔ Timotheus Kees Theodorus Wolterbeek (1 patent)Walter Stam ↔ Erik Kerst Cornelissen (1 patent)Walter StamWalter Stam (1 patent)Evert Jonathan Van Den HamEvert Jonathan Van Den Ham (4 patents)Timotheus Kees Theodorus WolterbeekTimotheus Kees Theodorus Wolterbeek (1 patent)Erik Kerst CornelissenErik Kerst Cornelissen (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Ruma Products B.v. (1 from 1 patent)


1 patent:

1. 12286860 - Downhole seal and method of setting a downhole seal

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12/19/2025
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