Inventor · disambiguated record
Robert A. Salo
Also filed as: SALO ROBERT · SALO ROBERT A
55 granted patents·2 pending applications·1,573 citations·filing 1995–2022
99Inventor score
Files withROYAL APPLIANCE MFG41TECHTRONIC IND CO LTD5TECHTRONIC FLOOR CARE TECH LTD4KRONDORFER HARALD2LOUIS JEFFREY S2
Top patents by PatentIndex Score
57 records- 0198US6712868B2Bagless canister vacuum cleanerROYAL APPLIANCE MFG·Filed 2001·Granted Mar 30, 2004·176 cites·48 claims
- 0297US6341404B1Upright vacuum cleaner with cyclonic airflow pathwayROYAL APPLIANCE MFG·Filed 2000·Granted Jan 29, 2002·191 cites·21 claims
- 0395US7632324B2Single stage cyclone vacuum cleanerROYAL APPLIANCE MFG·Filed 2006·Granted Dec 15, 2009·52 cites·28 claims
- 0494US6533871B2Carpet extractor with dual nozzles for dual brushrollsROYAL APPLIANCE MFG·Filed 2001·Granted Mar 18, 2003·75 cites·22 claims
- 0593US8370991B2Supply tank assembly for an extractor cleaning machineTECHTRONIC FLOOR CARE TECH LTD·Filed 2010·Granted Feb 12, 2013·31 cites·28 claims
- 0692US9320402B2Supply tank for an extractor cleaning machineKRONDORFER HARALD·Filed 2012·Granted Apr 26, 2016·24 cites·13 claims
- 0792US8756752B2Tank tray for an extractor cleaning machineKRONDORFER HARALD·Filed 2011·Granted Jun 24, 2014·25 cites·25 claims
- 0892US6721990B2Carpet extractor with dual nozzles for dual brushrollsROYAL APPLIANCE MFG·Filed 2002·Granted Apr 20, 2004·56 cites·30 claims
- 0991US8209815B2Dual stage cyclonic dust collectorMAKAROV SERGEY·Filed 2008·Granted Jul 3, 2012·41 cites·17 claims
- 1090US9615713B2Extractor cleaning machineTECHTRONIC IND CO LTD·Filed 2016·Granted Apr 11, 2017·7 cites·20 claims
- 1189US6325864B1Combination dirty fluid tank and nozzle for a carpet extractorROYAL APPLIANCE MFG·Filed 2000·Granted Dec 4, 2001·44 cites·19 claims
- 1289US6108861AExtendable hose for a vacuum cleanerROYAL APPLIANCE MFG·Filed 1998·Granted Aug 29, 2000·79 cites·20 claims
- 1389USD418265SUpright vacuum cleanerROYAL APPLIANCE MFG·Filed 1997·Granted Dec 28, 1999·35 cites·1 claims
- 1488US6513188B2Mixing pump for carpet extractorROYAL APPLIANCE MFG·Filed 2001·Granted Feb 4, 2003·44 cites·17 claims
- 1588USD428677SUpper handle portion of carpet extractorROYAL APPLIANCE MFG·Filed 1999·Granted Jul 25, 2000·33 cites·1 claims
- 1687US8726461B2Dual stage cyclonic vacuum cleanerMAKAROV SERGEY V·Filed 2008·Granted May 20, 2014·19 cites·19 claims
- 1786US9307881B2Extractor cleaning machineTECHTRONIC IND CO LTD·Filed 2014·Granted Apr 12, 2016·10 cites·21 claims
- 1886USRE39473EUpright vacuum cleaner with cyclonic airflow pathwayROYAL APPLIANCE MFG·Filed 2004·Granted Jan 23, 2007·35 cites·72 claims
- 1986USD439383SNozzle base for a vacuum cleanerROYAL APPLIANCE MFG·Filed 2000·Granted Mar 20, 2001·33 cites·1 claims
- 2085US8291546B2Recovery tank for an extractor cleaning machineLOUIS JEFFREY S·Filed 2011·Granted Oct 23, 2012·12 cites·13 claims
- 2184US10786132B2Supply tank for an extractor cleaning machineTECHTRONIC FLOOR CARE TECH LTD·Filed 2016·Granted Sep 29, 2020·4 cites·18 claims
- 2284US6154917ACarpet extractor housingROYAL APPLIANCE MFG·Filed 1999·Granted Dec 5, 2000·51 cites·30 claims
- 2383US5561885APortable hand-held vacuum cleanerROYAL APPLIANCE MFG·Filed 1995·Granted Oct 8, 1996·61 cites·24 claims
- 2480US8887347B2Conversion mechanism for switching extractor cleaning machine from floor cleaning to hose cleaningLOUIS JEFFREY S·Filed 2011·Granted Nov 18, 2014·9 cites·25 claims
- 2580US6145159ACombination dirty fluid tank and nozzle for a carpet extractorROYAL APPLIANCE MFG·Filed 1999·Granted Nov 14, 2000·45 cites·19 claims
- 2679US6378162B1Carpet extractor housingFiled 2000·Granted Apr 30, 2002·23 cites·19 claims
- 2778US10405721B2Extractor cleaning machineTECHTRONIC IND CO LTD·Filed 2017·Granted Sep 10, 2019·2 cites·20 claims
- 2874US6536071B2Tank mounting of carpet extractorROYAL APPLIANCE MFG·Filed 2001·Granted Mar 25, 2003·21 cites·19 claims
- 2973US9968235B2Floor cleaning machine including a sanitize modeTECHTRONIC FLOOR CARE TECH LTD·Filed 2013·Granted May 15, 2018·6 cites·27 claims
- 3073US2022273151A1Extractor cleaning machineTECHTRONIC IND CO LTD·Filed 2022·Application pending·0 cites
- 3172US6836928B2Mixing pump for carpet extractorROYAL APPLIANCE MFG·Filed 2003·Granted Jan 4, 2005·16 cites·20 claims
- 3272USD460229SClean water tank for a carpet extractorROYAL APPLIANCE MFG·Filed 2001·Granted Jul 9, 2002·18 cites·1 claims
- 3371USD439381SCleaning fluid tank for carpet extractorROYAL APPLIANCE MFG·Filed 1999·Granted Mar 20, 2001·16 cites·1 claims
- 3469US7052523B2Bagless canister vacuum cleanerROYAL APPLIANCE MFG·Filed 2004·Granted May 30, 2006·12 cites·22 claims
- 3569USD453867SCarpet extractor tool handleROYAL APPLIANCE MFG·Filed 2000·Granted Feb 19, 2002·16 cites·1 claims
- 3668US5869947ARechargeable hand held vacuum cleaner with electrical connections circuit board with spring contactsROYAL APPLIANCE MFG·Filed 1995·Granted Feb 9, 1999·52 cites·8 claims
- 3766USD453245SDust cup for a vacuum cleanerROYAL APPLIANCE MFG·Filed 2000·Granted Jan 29, 2002·14 cites·1 claims
- 3866USD442750SCarpet extractor lower handle portionROYAL APPLIANCE MFG·Filed 1999·Granted May 22, 2001·13 cites·1 claims
- 3964USD431098SCarpet cleaning extractor dirty fluid tankROYAL APPLIANCE MFG·Filed 1999·Granted Sep 19, 2000·12 cites·1 claims
- 4064US5850666AUpright vacuum cleanerROYAL APPLIANCE MFG·Filed 1997·Granted Dec 22, 1998·23 cites·2 claims
- 4162US11330950B2Extractor cleaning machineTECHTRONIC IND CO LTD·Filed 2019·Granted May 17, 2022·0 cites·20 claims
- 4262USD453597SUpper handle portion for carpet extractorROYAL APPLIANCE MFG·Filed 2001·Granted Feb 12, 2002·12 cites·1 claims
- 4361USD440365SLower handle portion of a vacuum cleanerROYAL APPLIANCE MFG·Filed 2000·Granted Apr 10, 2001·12 cites·1 claims
- 4460USD470982SRecovery tank for carpet extractorROYAL APPLIANCE MFG·Filed 2001·Granted Feb 25, 2003·11 cites·1 claims
- 4560USD460228SU-shaped handle for carpet extractorROYAL APPLIANCE MFG·Filed 2001·Granted Jul 9, 2002·11 cites·1 claims
- 4660USD436701SFilter holder for a vacuum cleanerROYAL APPLIANCE MFG·Filed 2000·Granted Jan 23, 2001·11 cites·1 claims
- 4760US5903955AUpright vacuum cleanerROYAL APPLIANCE MFG·Filed 1998·Granted May 18, 1999·20 cites·11 claims
- 4857USD439385SUpper handle portion of a vacuum cleanerROYAL APPLIANCE MFG·Filed 2000·Granted Mar 20, 2001·10 cites·1 claims
- 4957USD418953SUpright vacuum cleanerROYAL APPLIANCE MFG·Filed 1997·Granted Jan 11, 2000·9 cites·1 claims
- 5057US5911261AUpright vacuum cleanerROYAL APPLIANCE MFG·Filed 1998·Granted Jun 15, 1999·18 cites·8 claims
Showing the top 50 of 57 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →