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Inventor
CRABTREE ALEX
US
2 patents
⚠️ This page may combine multiple inventors who share the name “CRABTREE ALEX”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAKER HUGHES INC
1 patent
US5865261A
Feb 2, 1999
Balanced or underbalanced drilling method and apparatus
BAKER HUGHES INC
15 citations
69
CRANE PUMPS & SYSTEMS INC
1 patent
US11471893B2
Oct 18, 2022
Grinder accessory for pump
CRANE PUMPS & SYSTEMS INC
1 citations
54