Assignee
CHANGMIN CO LTD
KR·4 granted patents·169 citations·filing 1995–1996
Top patents by PatentIndex Score
4 records- 0190US5791187ALevel measurement method using measurements of water column pressure thereforCHANGMIN CO LTD·Filed 1996·Granted Aug 11, 1998·89 cites·4 claims
- 0253US5842374AMeasuring method of a wide range level and an apparatus thereofCHANGMIN CO LTD·Filed 1995·Granted Dec 1, 1998·33 cites·9 claims
- 0348US5780747AOpen channel multichannel ultrasonic flowrate measurement apparatus and methodCHANGMIN CO LTD·Filed 1995·Granted Jul 14, 1998·26 cites·7 claims
- 0442US5734111AApparatus for measuring the flow quantity of rivers and method thereofCHANGMIN CO LTD·Filed 1996·Granted Mar 31, 1998·21 cites·10 claims
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