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Inventor
ZITKA MARK D
US
3 patents
⚠️ This page may combine multiple inventors who share the name “ZITKA MARK D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TELECO OILFIELD SERVICES INC
2 patents
US5074681A
Dec 24, 1991
Downhole motor and bearing assembly
TELECO OILFIELD SERVICES INC
56 citations
91
US4982801A
Jan 8, 1991
Flexible coupling for downhole motor
TELECO OILFIELD SERVICES INC
33 citations
84
ROBBINS & MYERS ENERGY SYS LP
1 patent
US6881045B2
Apr 19, 2005
Progressive cavity pump/motor
ROBBINS & MYERS ENERGY SYS LP
59 citations
93