Inventor

CRAWLEY MICHAEL F

US5 patents

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

BAKER HUGHES INC

2 patents

US5589079ADec 31, 1996

Crystal recovery method employing a rotary vacuum filtration drum with valved hopper cake treatment means

BAKER HUGHES INC32 citations91

US5470473ANov 28, 1995

Rotary vacuum filtration drum with valved hopper cake treatment means

BAKER HUGHES INC43 citations91

(unassigned)

2 patents

US5642751AJul 1, 1997

Valve assembly

27 citations89

US6805332B2Oct 19, 2004

Inflatable seat valve

16 citations80

MACAWBER ENGINEERING INC

1 patent

US4834587AMay 30, 1989

Pneumatic conveying system

MACAWBER ENGINEERING INC43 citations88