Inventor
BOYER PETER W
8 patents
⚠️ This page may combine multiple inventors who share the name “BOYER PETER W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PHD INC
5 patentsUS4132153AJan 2, 1979
Metering control valve and fluid power system
PHD INC35 citations88
US4134306AJan 16, 1979
Rotary actuator
PHD INC20 citations79
US4119017AOct 10, 1978
Non-rotatable fluid power cylinder
PHD INC21 citations79
US4111100ASep 5, 1978
Non-rotatable fluid powered nozzle and valve combination
PHD INC17 citations72
US4244618AJan 13, 1981
Pressure fluid operated gripping apparatus
PHD INC14 citations66