Growing community of inventors

Kaiserslautern, Germany

Ludwig Hartman

Average Co-Inventor Count = 3.00

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 = 91

Ludwig Hartman ↔ Ivo Ruzek (1 patent)Ludwig Hartman ↔ Engelbert L/o/ Cher (1 patent)Ludwig HartmanLudwig Hartman (1 patent)Ivo RuzekIvo Ruzek (13 patents)Engelbert L/o/ CherEngelbert L/o/ Cher (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Firma Carl Freudenberg (1 from 629 patents)


1 patent:

1. 4434204 - Spun-bonded fabric of partially drawn polypropylene with a low draping

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12/28/2025
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