Growing community of inventors

Essen, Germany

Ronald Gratz

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 = 4

Ronald GratzKarl-Heinz Lumpe (1 patent)Ronald GratzKlaus Kolodziej (1 patent)Ronald GratzUlrich Rehm (1 patent)Ronald GratzRonald Gratz (1 patent)Karl-Heinz LumpeKarl-Heinz Lumpe (10 patents)Klaus KolodziejKlaus Kolodziej (7 patents)Ulrich RehmUlrich Rehm (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Happich Fahrzeung-Dachsystems Gmbh (1 from 1 patent)


1 patent:

1. 5893499 - Mounting support for roof railing for motor vehicles

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/13/2026
Loading…