P

Inventor

HILL RALPH W

GB6 patents
⚠️ This page may combine multiple inventors who share the name “HILL RALPH W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HILL RALPH W

3 patents
US4054155AOct 18, 1977

Hydraulic actuated control valve

HILL RALPH W26 citations78
US3990711ANov 9, 1976

Restrained elastomeric seal ring means

HILL RALPH W32 citations78
US3951170AApr 20, 1976

Fluid control valve

HILL RALPH W14 citations70

ROLLS ROYCE PLC

3 patents
US7819623B2Oct 26, 2010

Clearance control apparatus

ROLLS ROYCE PLC12 citations76
US11313245B2Apr 26, 2022

Shaft monitoring system

ROLLS ROYCE PLC2 citations70
US11230980B2Jan 25, 2022

Fault-accommodating flow scheduling valve

ROLLS ROYCE PLC3 citations70