Inventor · disambiguated record
Paul D. Stephens
Also filed as: STEPHENS PAUL · STEPHENS PAUL D · STEPHENS PAUL DANA
104 granted patents·6 pending applications·3,317 citations·filing 1988–2022
99Inventor score
Top patents by PatentIndex Score
110 records- 0199US6848146B2Upright vacuum cleaner with cyclonic airflowROYAL APPLIANCE MFG·Filed 2003·Granted Feb 1, 2005·151 cites·49 claims
- 0299US6003196AUpright vacuum cleaner with cyclonic airflowROYAL APPLIANCE MFG·Filed 1998·Granted Dec 21, 1999·179 cites·20 claims
- 0398US6712868B2Bagless canister vacuum cleanerROYAL APPLIANCE MFG·Filed 2001·Granted Mar 30, 2004·176 cites·48 claims
- 0498US6463622B2Upright vacuum cleaner with cyclonic airflowROYAL APPLIANCE MFG·Filed 2001·Granted Oct 15, 2002·120 cites·52 claims
- 0598US6260234B1Upright vacuum cleaner with cyclonic airflowROYAL APPLIANCE MFG·Filed 1999·Granted Jul 17, 2001·187 cites·37 claims
- 0698US6026540AUpright vacuum cleaner with cyclonic airflowROYAL APPLIANCE MFG·Filed 1998·Granted Feb 22, 2000·159 cites·22 claims
- 0798USD401021SHand held vacuum cleanerROYAL APPLIANCE MFG·Filed 1994·Granted Nov 10, 1998·92 cites·1 claims
- 0897US7146681B2Upright vacuum cleaner with cyclonic airflowROYAL APPLIANCE MFG·Filed 2004·Granted Dec 12, 2006·83 cites·41 claims
- 0997US7131165B2Upright vacuum cleaner with cyclonic airflowROYAL APPLIANCE MFG·Filed 2004·Granted Nov 7, 2006·81 cites·74 claims
- 1097US6341404B1Upright vacuum cleaner with cyclonic airflow pathwayROYAL APPLIANCE MFG·Filed 2000·Granted Jan 29, 2002·191 cites·21 claims
- 1196US6745432B2Upright vacuum cleaner with cyclonic airflowROYAL APPLIANCE MFG·Filed 2002·Granted Jun 8, 2004·62 cites·27 claims
- 1296US6436160B1Dirt cup assembly for vacuum cleanerROYAL APPLIANCE MFG·Filed 2001·Granted Aug 20, 2002·108 cites·27 claims
- 1396USD373862SCombined wet/dry vacuum cleaner with a detachable blowerROYAL APPLIANCE MFG·Filed 1994·Granted Sep 17, 1996·53 cites·1 claims
- 1496US5404614ALatch assembly for blower of wet/dry vacuum cleanerROYAL APPLIANCE MFG·Filed 1994·Granted Apr 11, 1995·97 cites·14 claims
- 1596US5347679AStick type vacuum cleanerROYAL APPLIANCE MFG·Filed 1993·Granted Sep 20, 1994·132 cites·27 claims
- 1694US9133607B2Modular sensor activated faucetZURN IND LLC·Filed 2013·Granted Sep 15, 2015·21 cites·14 claims
- 1794USD359604SVacuum cleanerROYAL APPLIANCE MFG·Filed 1993·Granted Jun 20, 1995·55 cites·1 claims
- 1894USD346052SVacuum cleanerROYAL APPLIANCE MFG·Filed 1992·Granted Apr 12, 1994·47 cites·1 claims
- 1992US9282869B2Liquid extraction cleaning device and methodRUG DOCTOR LLC·Filed 2015·Granted Mar 15, 2016·9 cites·6 claims
- 2091US11293458B2Air filtration ceiling fanHOME DEPOT PRODUCT AUTHORITY LLC·Filed 2019·Granted Apr 5, 2022·4 cites·18 claims
- 2191US6532621B2Vacuum cleaner with noise suppression featuresROYAL APPLIANCE MFG·Filed 2001·Granted Mar 18, 2003·42 cites·21 claims
- 2291USD384448SWet/dry vacuum cleanerROYAL APPLIANCE MFG·Filed 1995·Granted Sep 30, 1997·41 cites·1 claims
- 2389US9706893B2Liquid extraction cleaning device and methodRUG DOCTOR LLC·Filed 2015·Granted Jul 18, 2017·6 cites·12 claims
- 2489US9587384B2Modular sensor activated faucetZURN IND LLC·Filed 2015·Granted Mar 7, 2017·8 cites·18 claims
- 2589US7997522B2Center-pull paper towel dispenserCINTAS CORP·Filed 2007·Granted Aug 16, 2011·23 cites·16 claims
- 2689US7114216B2Vacuum cleaner with noise suppression featuresROYAL APPLIANCE MFG·Filed 2004·Granted Oct 3, 2006·32 cites·66 claims
- 2789US6325864B1Combination dirty fluid tank and nozzle for a carpet extractorROYAL APPLIANCE MFG·Filed 2000·Granted Dec 4, 2001·44 cites·19 claims
- 2889USD418265SUpright vacuum cleanerROYAL APPLIANCE MFG·Filed 1997·Granted Dec 28, 1999·35 cites·1 claims
- 2988USD331991SPower nozzle for a vacuum cleanerROYAL APPLIANCE MFG·Filed 1989·Granted Dec 22, 1992·25 cites·1 claims
- 3087US11828301B2Air filtration ceiling fanHOME DEPOT PRODUCT AUTHORITY LLC·Filed 2022·Granted Nov 28, 2023·1 cites·20 claims
- 3187US7988035B2Apparatus for secure postal and parcel receipt and storagePOSTAL HAWK CORP·Filed 2009·Granted Aug 2, 2011·19 cites·15 claims
- 3287US6948211B2Vacuum cleaner with noise suppression featuresROYAL APPLIANCE MFG·Filed 2002·Granted Sep 27, 2005·26 cites·39 claims
- 3386US8757519B2Cartridge spreader systemCICHY STEVEN J·Filed 2010·Granted Jun 24, 2014·7 cites·18 claims
- 3486USRE39473EUpright vacuum cleaner with cyclonic airflow pathwayROYAL APPLIANCE MFG·Filed 2004·Granted Jan 23, 2007·35 cites·72 claims
- 3585US9663159B2Power equipment device with removable attachmentsMTD PRODUCTS INC·Filed 2015·Granted May 30, 2017·6 cites·33 claims
- 3684US5755009ABag mount for a vacuum cleanerROYAL APPLIANCE MFG·Filed 1996·Granted May 26, 1998·62 cites·23 claims
- 3783US8739358B2Vacuum cleaner with noise suppression featuresSTEPHENS PAUL D·Filed 2011·Granted Jun 3, 2014·9 cites·19 claims
- 3883US5561885APortable hand-held vacuum cleanerROYAL APPLIANCE MFG·Filed 1995·Granted Oct 8, 1996·61 cites·24 claims
- 3982US8757521B2Cartridge spreader systemCICHY STEVEN J·Filed 2008·Granted Jun 24, 2014·15 cites·13 claims
- 4082US7997443B2Center-pull paper towel dispenserCINTAS CORP·Filed 2007·Granted Aug 16, 2011·13 cites·20 claims
- 4181US6536072B2Compression latch for dirt cupROYAL APPLIANCE MFG·Filed 2001·Granted Mar 25, 2003·31 cites·18 claims
- 4281USD405929SVacuum cleanerROYAL APPLIANCE MFG·Filed 1994·Granted Feb 16, 1999·22 cites·1 claims
- 4380US6145159ACombination dirty fluid tank and nozzle for a carpet extractorROYAL APPLIANCE MFG·Filed 1999·Granted Nov 14, 2000·45 cites·19 claims
- 4480USD433201SVacuum cleaner dust cupROYAL APPLIANCE MFG·Filed 1999·Granted Oct 31, 2000·22 cites·1 claims
- 4580US5247720AValving structure for air passageways of floor nozzle and auxiliary inlet of a vacuum cleanerROYAL APPLIANCE MFG·Filed 1992·Granted Sep 28, 1993·49 cites·19 claims
- 4679US5269042AHeight adjustment system for vacuum cleanerROYAL APPLIANCE MFG·Filed 1992·Granted Dec 14, 1993·49 cites·26 claims
- 4777US5535500AMethod for manufacturing a bucket for a wet/dry vacuum cleanerROYAL APPLIANCE MFG·Filed 1995·Granted Jul 16, 1996·46 cites·26 claims
- 4876US8261966B2Apparatus for secure postal and parcel receipt and storageCOX BOBBIE·Filed 2011·Granted Sep 11, 2012·7 cites·15 claims
- 4975US11077006B2Medical table with leg supportAMERICAN STERILIZER CO·Filed 2018·Granted Aug 3, 2021·2 cites·26 claims
- 5075US9788700B2Liquid extraction cleaning device and methodRUG DOCTOR LLC·Filed 2015·Granted Oct 17, 2017·2 cites·4 claims
Showing the top 50 of 110 patent records by PatentIndex Score.
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