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USPTO Patent Rankings Data through Sept 30, 2025
CH

Christophe Houdayer

SFSkf France: 1 patents #3 of 4Top 75%
Saint-Cyr-sur-Loire, FR: #2 of 3 inventorsTop 70%
Overall (1994): #149,942 of 165,921Top 95%
1 Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5293124 Sensing device for detecting the rotational speed of a rotating element mounted on a non-rotating element by means of a bearing Claude Caillaut, Pascal Lhote, Christian Rigaux 1994-03-08