Growing community of inventors

Fleury, France

Michel Petitfrere

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 = 4

Michel Petitfrere ↔ Arsene Roth (1 patent)Michel Petitfrere ↔ Jeanot Ostermann (1 patent)Michel PetitfrereMichel Petitfrere (1 patent)Arsene RothArsene Roth (5 patents)Jeanot OstermannJeanot Ostermann (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Claas Kgaa (1 from 50 patents)


1 patent:

1. 6044556 - Method of producing rollers for agricultural machines

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12/15/2025
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