Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
RH

Randall L. Hofmann — 4 Patents

Delphi Technologies: 4 patents #801 of 4,124Top 20%
Centerville, OH: #194 of 668 inventorsTop 30%
Ohio: #18,857 of 73,341 inventorsTop 30%
Overall (All Time): #1,261,780 of 4,157,543Top 35%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6874603 Magnetorheological piston and damper assembly Ilya Lisenker, Michael W. Hurtt 2005-04-05
6786311 Magnetorheological piston and damper Saiman Lun, Ilya Lisenker 2004-09-07
6612409 Magneotorheological piston and damper Saiman Lun, Ilya Lisenker 2003-09-02
6390258 Floating rod guide for monotube strut Steven R. Robinson, Michael W. Hurtt 2002-05-21