Assignee
HEISHIN SOBI KK
JP·7 granted patents·2 pending applications·173 citations·filing 1984–2007
Top patents by PatentIndex Score
9 records- 0187US5769618AUniaxial eccentric screw pump having a flexible plastic shaftHEISHIN SOBI KK·Filed 1996·Granted Jun 23, 1998·44 cites·30 claims
- 0281US5046666AMetering dispenser with screw pumpHEISHIN SOBI KK·Filed 1989·Granted Sep 10, 1991·57 cites·8 claims
- 0377US4591322AEccentric archimedian screw pump of rotary displacement typeHEISHIN SOBI KK·Filed 1984·Granted May 27, 1986·29 cites·2 claims
- 0472US6799698B2Liquid material supply systemHEISHIN SOBI KK·Filed 2003·Granted Oct 5, 2004·17 cites·1 claims
- 0548US7066352B2Material supply systemHEISHIN SOBI KK·Filed 2004·Granted Jun 27, 2006·4 cites·2 claims
- 0645US2010092317A1Uniaxial Eccentric Screw PumpHEISHIN SOBI KK·Filed 2007·Application pending·0 cites
- 0744US2009252630A1Single-Shaft Eccentric Screw PumpHEISHIN SOBI KK·Filed 2006·Application pending·0 cites
- 0842US4990070ARotary screw pump with suction vanes at intake portHEISHIN SOBI KK·Filed 1989·Granted Feb 5, 1991·7 cites·11 claims
- 0934US4778080AMetering dispenser of a screw pumpHEISHIN SOBI KK·Filed 1987·Granted Oct 18, 1988·15 cites·4 claims
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