Assignee
PFLOW IND INC
US·19 granted patents·3 pending applications·508 citations·filing 1978–2020
Top patents by PatentIndex Score
22 records- 0196US6394260B1Conveyor system including roller-guided carriage assembliesPFLOW IND INC·Filed 2000·Granted May 28, 2002·87 cites·16 claims
- 0296US4987992AMaterial transfer apparatusPFLOW IND INC·Filed 1989·Granted Jan 29, 1991·104 cites·8 claims
- 0394US7131532B2Belt attachment device and methodPFLOW IND INC·Filed 2005·Granted Nov 7, 2006·24 cites·12 claims
- 0492US6490979B1Inclined shopping cart conveyor systemPFLOW IND INC·Filed 2001·Granted Dec 10, 2002·59 cites·24 claims
- 0590US4227463AApparatus for removing and installing batteriesPFLOW IND INC·Filed 1978·Granted Oct 14, 1980·52 cites·11 claims
- 0688US7453358B2Shopping cart conveyor with gated accessPFLOW IND INC·Filed 2006·Granted Nov 18, 2008·19 cites·14 claims
- 0787US6896125B2Belt attachment device and methodPFLOW IND INC·Filed 2003·Granted May 24, 2005·33 cites·13 claims
- 0883US5205379AVertical conveyorPFLOW IND INC·Filed 1991·Granted Apr 27, 1993·37 cites·15 claims
- 0980US6644210B1Shopping cart conveyor with front wheel alignment and turning systemPFLOW IND INC·Filed 2002·Granted Nov 11, 2003·24 cites·17 claims
- 1075US11059678B1Barrel elevator including shielded actuation mechanismsPFLOW IND INC·Filed 2020·Granted Jul 13, 2021·1 cites·14 claims
- 1175US7931136B2Jam sensor for shopping cart conveyorPFLOW IND INC·Filed 2008·Granted Apr 26, 2011·10 cites·15 claims
- 1268US10913635B2System for chain chordal action suppressionPFLOW IND INC·Filed 2018·Granted Feb 9, 2021·0 cites·14 claims
- 1364US5941347APortable liftPFLOW IND INC·Filed 1997·Granted Aug 24, 1999·24 cites·20 claims
- 1461US10183840B2System for chain chordal action suppressionPFLOW IND INC·Filed 2016·Granted Jan 22, 2019·0 cites·18 claims
- 1560US7779992B2Shopping cart conveyor system with pivoting lugPFLOW IND INC·Filed 2007·Granted Aug 24, 2010·5 cites·9 claims
- 1655US6360848B1Safety system for a vertical reciprocating conveyorPFLOW IND INC·Filed 2000·Granted Mar 26, 2002·9 cites·25 claims
- 1755US2010111653A1Vertical lift with synchronizerPFLOW IND INC·Filed 2008·Application pending·0 cites
- 1849US11345576B2Hinged carriage deck for vertical reciprocating conveyorPFLOW IND INC·Filed 2019·Granted May 31, 2022·0 cites·5 claims
- 1944US2011014017A1Storage retrieval machinePFLOW IND INC·Filed 2009·Application pending·0 cites
- 2041US2008078624A1Vertical conveyor with hydraulic drivePFLOW IND INC·Filed 2006·Application pending·0 cites
- 2140US5228537ASafety mechanism for a vertical reciprocating conveyorPFLOW IND INC·Filed 1992·Granted Jul 20, 1993·9 cites·26 claims
- 2239US5908088AHydraulic drive mechanism for a vertical conveyorPFLOW IND INC·Filed 1996·Granted Jun 1, 1999·11 cites·12 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →