Inventor · disambiguated record
David Reinfeld
Also filed as: REINFELD DAVID
20 granted patents·6 pending applications·464 citations·filing 1999–2012
96Inventor score
Files withVORTEX HOLDING COMPANY7DMR HOLDING GROUP LLC4VORTEX HC LLC3FONTANA RICHARD1ILLINGWORTH LEWIS1
Top patents by PatentIndex Score
26 records- 0194US6719830B2Toroidal vortex vacuum cleaner centrifugal dust separatorVORTEX HOLDING COMPANY·Filed 2001·Granted Apr 13, 2004·87 cites·43 claims
- 0292US6802881B2Rotating wave dust separatorVORTEX HC LLC·Filed 2003·Granted Oct 12, 2004·52 cites·50 claims
- 0391US6802693B2Vortex attractor with vanes attached to containing ring and backplateVORTEX HOLDING COMPANY·Filed 2002·Granted Oct 12, 2004·48 cites·44 claims
- 0482US8091733B2Automated article dispensation mechanismJANET JASON A·Filed 2010·Granted Jan 10, 2012·13 cites·18 claims
- 0581US6595753B1Vortex attractorVORTEX HOLDING COMPANY A·Filed 1999·Granted Jul 22, 2003·45 cites·66 claims
- 0681US6565321B1Vortex attractorVORTEX HOLDING COMPANY·Filed 1999·Granted May 20, 2003·45 cites·90 claims
- 0775US7793911B2Friction pads for use with a gripping and/or climbing deviceDMR HOLDING GROUP LLC·Filed 2004·Granted Sep 14, 2010·17 cites·23 claims
- 0875US6687951B2Toroidal vortex bagless vacuum cleanerVORTEX HOLDING COMPANY·Filed 2001·Granted Feb 10, 2004·19 cites·13 claims
- 0972US6957472B2Cannister and upright vortex vacuum cleanersVORTEX HC LLC·Filed 2002·Granted Oct 25, 2005·20 cites·48 claims
- 1072US6619922B2Vortex attractor for planar and non-planar surfacesVORTEX HOLDING COMPANY·Filed 2001·Granted Sep 16, 2003·20 cites·32 claims
- 1171US6729839B1Toroidal and compound vortex attractorVORTEX HOLDING COMPANY·Filed 2001·Granted May 4, 2004·20 cites·42 claims
- 1267US6960063B2Vortex attractor without a backplateVORTEXHC LLC·Filed 2002·Granted Nov 1, 2005·15 cites·31 claims
- 1366US6881025B2Suction cup vortex attractorVORTEX HC LLC·Filed 2002·Granted Apr 19, 2005·16 cites·21 claims
- 1464USRE46299EFriction pads for use with a gripping and/or climbing deviceFONTANA RICHARD·Filed 2012·Granted Feb 7, 2017·1 cites·23 claims
- 1564US7726514B2Automated article dispensation mechanismRXMEDIC SYSTEMS INC·Filed 2004·Granted Jun 1, 2010·18 cites·22 claims
- 1662US7871049B2Corner climberDMR HOLDING GROUP LLC·Filed 2005·Granted Jan 18, 2011·2 cites·10 claims
- 1760US7823845B2Corner climberDMR HOLDING GROUP LLC·Filed 2002·Granted Nov 2, 2010·7 cites·37 claims
- 1859US7717381B2Pneumatic corner climberDMR HOLDING GROUP LLC·Filed 2005·Granted May 18, 2010·1 cites·24 claims
- 1959US6497553B2Vortex attractorVORTEX HOLDING COMPANY·Filed 2001·Granted Dec 24, 2002·14 cites·88 claims
- 2049US7143468B2Vortex vacuum cleaner nozzle with means to prevent plume formationILLINGWORTH LEWIS·Filed 2003·Granted Dec 5, 2006·4 cites·18 claims
- 2148US2004139709A1Dynamic transfer chamber separatorFiled 2003·Application pending·0 cites
- 2247US2003167741A1Combined toroidal and cylindrical vortex dust separatorFiled 2003·Application pending·0 cites
- 2343US2004139710A1Passive transfer chamber separatorFiled 2003·Application pending·0 cites
- 2442US2003136094A1Axial flow centrifugal dust separatorFiled 2002·Application pending·0 cites
- 2539US2004018089A1Vortex attractorFiled 2003·Application pending·0 cites
- 2637US2003150198A1Filterless folded and ripple dust separators and vacuum cleaners using the sameFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →