Growing community of inventors

Ostwald, France

Helene Maechel

Average Co-Inventor Count = 5.00

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

Helene Maechel ↔ William E Fristad (1 patent)Helene Maechel ↔ Jan-Willem Brouwer (1 patent)Helene Maechel ↔ Frank-Oliver Pilarek (1 patent)Helene Maechel ↔ Jens Krömer (1 patent)Helene Maechel ↔ William E Fristad (0 patent)Helene MaechelHelene Maechel (1 patent)William E FristadWilliam E Fristad (28 patents)Jan-Willem BrouwerJan-Willem Brouwer (26 patents)Frank-Oliver PilarekFrank-Oliver Pilarek (12 patents)Jens KrömerJens Krömer (4 patents)William E FristadWilliam E Fristad (0 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Henkel Ag & Company, Kgaa (1 from 2,018 patents)


1 patent:

1. 8715403 - Multi-stage pre-treatment method for metal components having zinc and iron surfaces

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as of
12/7/2025
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