Assignee
YOKOTA MFG
JP·15 granted patents·366 citations·filing 1994–2003
Top patents by PatentIndex Score
15 records- 0186US6629821B1Pump apparatusYOKOTA MFG·Filed 2000·Granted Oct 7, 2003·44 cites·19 claims
- 0285US5642752AControllable constant flow regulating lift valveYOKOTA MFG·Filed 1994·Granted Jul 1, 1997·55 cites·2 claims
- 0381US7597732B2Gas-liquid separatorYOKOTA MFG·Filed 2003·Granted Oct 6, 2009·33 cites·20 claims
- 0476US6152689ASelf-priming type cetrifugal pumpYOKOTA MFG·Filed 1997·Granted Nov 28, 2000·43 cites·14 claims
- 0574US5746246AWater hammer preventing check valveYOKOTA MFG·Filed 1995·Granted May 5, 1998·35 cites·4 claims
- 0664US6263905B1Automatic regulating valve apparatusYOKOTA MFG·Filed 1997·Granted Jul 24, 2001·33 cites·7 claims
- 0763US5735308AAutomatic constant-pressure regulating lift deviceYOKOTA MFG·Filed 1994·Granted Apr 7, 1998·22 cites·1 claims
- 0860US5769116AComposite action type water-hammer-preventive check valveYOKOTA MFG·Filed 1995·Granted Jun 23, 1998·22 cites·10 claims
- 0956US6102072AWater-hammerless check valveYOKOTA MFG·Filed 1997·Granted Aug 15, 2000·19 cites·4 claims
- 1047US5957428AComposite-action butterfly valveYOKOTA MFG·Filed 1996·Granted Sep 28, 1999·13 cites·3 claims
- 1146US5772394ASelf-priming centrifugal pumpYOKOTA MFG·Filed 1994·Granted Jun 30, 1998·14 cites·3 claims
- 1242US5779445ANoncontaminative centrifugal pumpYOKOTA MFG·Filed 1994·Granted Jul 14, 1998·14 cites·16 claims
- 1338US5713556AComposite-action butterfly valveYOKOTA MFG·Filed 1995·Granted Feb 3, 1998·8 cites·10 claims
- 1437US6033558ASelf-gush-cleaning filter deviceYOKOTA MFG·Filed 1996·Granted Mar 7, 2000·7 cites·12 claims
- 1526US6547480B1Composite structureYOKOTA MFG·Filed 1999·Granted Apr 15, 2003·4 cites·2 claims
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