Assignee
RANCO JAPAN LTD
JP·3 granted patents·139 citations·filing 1990–1995
Top patents by PatentIndex Score
3 records- 0181US5690144ADirectional control valve for switching the mode of operation in a heat transfer systemRANCO JAPAN LTD·Filed 1995·Granted Nov 25, 1997·51 cites·5 claims
- 0273US4966194AFour-way switching valve deviceRANCO JAPAN LTD·Filed 1990·Granted Oct 30, 1990·38 cites·15 claims
- 0371US5020771AProportional control valveRANCO JAPAN LTD·Filed 1990·Granted Jun 4, 1991·50 cites·2 claims
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