RP

Ronald J. Pierik

Delphi Technologies: 12 patents #2 of 1,033Top 1%
📍 Holly, MI: #1 of 12 inventorsTop 9%
🗺 Michigan: #15 of 6,198 inventorsTop 1%
Overall (2002): #1,004 of 266,432Top 1%
12
Patents 2002

Issued Patents 2002

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
6484675 Hydraulic actuator for variable valve mechanism 2002-11-26
6439178 Mechanical lash adjuster apparatus for an engine cam 2002-08-27
6439177 Low friction variable valve actuation device 2002-08-27
6422188 Actuator for variable valve mechanism 2002-07-23
6422189 Mechanical lash control apparatus for an engine cam 2002-07-23
6401677 Cam rocker variable valve train device Jeffrey D. Rohe 2002-06-11
6386161 Cam link variable valve mechanism 2002-05-14
6382153 Partial internal guide for curved helical compression spring Jeffrey D. Rohe, Thomas H. Fischer, William R. Haslett 2002-05-07
6382152 Crank gear variable valve actuating mechanism 2002-05-07
6382151 Ring gear variable valve train device 2002-05-07
6378474 Variable value timing mechanism with crank drive 2002-04-30
6367436 Belt-driven variable valve actuating mechanism 2002-04-09