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USPTO Patent Rankings Data through Sept 30, 2025
RC

Rudolf R. Castens

Llanes, ES: #1 of 1 inventorsTop 100%
Overall (All Time): #1,296,245 of 4,157,543Top 35%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5222582 Double hyperboloidal-type clutch 1993-06-29
5219053 Unidirectional clutch with shell races 1993-06-15
5211273 Axial thrust clutch/bearing/freewheel 1993-05-18
5067601 Clutches 1991-11-26