Inventor
RITCHIE JAMES A
CA8 patents
⚠️ This page may combine multiple inventors who share the name “RITCHIE JAMES A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CATERPILLAR TRACTOR CO
6 patentsUS3990819ANov 9, 1976
Seals for rotary mechanisms
CATERPILLAR TRACTOR CO21 citations80
US4028020AJun 7, 1977
Oil seal for a rotary engine
CATERPILLAR TRACTOR CO7 citations71
US3989424ANov 2, 1976
Engine ports
CATERPILLAR TRACTOR CO8 citations71
US4008987AFeb 22, 1977
Combined timing gear and pump for rotary mechanisms
CATERPILLAR TRACTOR CO3 citations60
US3989421ANov 2, 1976
Housing construction for slant axis rotary mechanism
CATERPILLAR TRACTOR CO6 citations60
US4056336ANov 1, 1977
Apex seals for slant axis rotary mechanisms
CATERPILLAR TRACTOR CO0 citations39