Inventor · disambiguated record
Matthew A. Williams
Also filed as: WILLIAMS MATTHEW · WILLIAMS MATTHEW A
50 granted patents·6 pending applications·366 citations·filing 2002–2024
98Inventor score
Top patents by PatentIndex Score
56 records- 0196US8206482B2Vacuum appliance filter assemblies and associated vacuum systemsWILLIAMS MATTHEW A·Filed 2008·Granted Jun 26, 2012·50 cites·20 claims
- 0292US12453452B2Vacuum conduit attachment toolsEMERSON ELECTRIC CO·Filed 2024·Granted Oct 28, 2025·1 cites·20 claims
- 0391US10413146B2Upright vacuum cleaner and system operable with AC and DC power sourcesEMERSON ELECTRIC CO·Filed 2017·Granted Sep 17, 2019·8 cites·19 claims
- 0490US11882984B1Vacuum conduit attachment toolsEMERSON ELECTRIC CO·Filed 2023·Granted Jan 30, 2024·1 cites·17 claims
- 0589USD618870SCombined wet/dry vacuum cleaner with integrated wand storageEMERSON ELECTRIC CO·Filed 2009·Granted Jun 29, 2010·38 cites·1 claims
- 0688US10702111B2Attachment mechanism for vacuum cleaner accessoriesEMERSON ELECTRIC CO·Filed 2018·Granted Jul 7, 2020·9 cites·21 claims
- 0787US8533907B2Flexible crevice tool attachment for vacuum appliancesECCARDT CURTIS J·Filed 2009·Granted Sep 17, 2013·26 cites·15 claims
- 0886USD577164SCombined wet and dry vacuum applianceEMERSON ELECTRIC CO·Filed 2007·Granted Sep 16, 2008·35 cites·1 claims
- 0985US10099659B1Vehicle vacuum module and methods of installing sameEMERSON ELECTRIC CO·Filed 2017·Granted Oct 16, 2018·7 cites·18 claims
- 1085US9675225B2Filter cage for wet/dry vacuumsEMERSON ELECTRIC CO·Filed 2014·Granted Jun 13, 2017·6 cites·20 claims
- 1183US8557008B2Vacuum appliance filter assemblies and associated vacuum systemsWILLIAMS MATTHEW A·Filed 2012·Granted Oct 15, 2013·10 cites·23 claims
- 1281US9345372B2Vacuum appliance filter assemblies and associated vacuum systemsEMERSON ELECTRIC CO·Filed 2013·Granted May 24, 2016·3 cites·16 claims
- 1381US8695161B2Vacuum motor scroll assembly and vacuums including such an assemblyWILLIAMS MATTHEW A·Filed 2012·Granted Apr 15, 2014·7 cites·19 claims
- 1481USD666369SCombined wet/dry vacuum cleaner with integrated tool storageWILLIAMS MATTHEW A·Filed 2010·Granted Aug 28, 2012·27 cites·1 claims
- 1581USD657101SCombined wet/dry vacuum cleaner with a detachable blower and accessory storageWILLIAMS MATTHEW A·Filed 2010·Granted Apr 3, 2012·27 cites·1 claims
- 1679US11510540B2Vacuum cleaner and system operable with AC and DC power sourcesEMERSON ELECTRIC CO·Filed 2019·Granted Nov 29, 2022·1 cites·20 claims
- 1778US10328907B2Modular vehicular vacuum cleaning systemEMERSON ELECTRIC CO·Filed 2017·Granted Jun 25, 2019·1 cites·22 claims
- 1877USD740504SWet/dry vacuum powerheadWILLIAMS MATTHEW A·Filed 2014·Granted Oct 6, 2015·21 cites·1 claims
- 1976USD1051534SVacuum conduit connectorEMERSON ELECTRIC CO·Filed 2023·Granted Nov 12, 2024·4 cites·1 claims
- 2074US9510718B2Wet/dry vacuum cleaner filter for wet material collectionEMERSON ELECTRIC CO·Filed 2013·Granted Dec 6, 2016·6 cites·29 claims
- 2172USD1045301SVacuum conduit connectorEMERSON ELECTRIC CO·Filed 2023·Granted Oct 1, 2024·4 cites·1 claims
- 2271US8631539B2Accessory wand storage assembly for use with vacuum appliances, and vacuums using the sameWILLIAMS MATTHEW A·Filed 2011·Granted Jan 21, 2014·3 cites·6 claims
- 2370US10368707B2Adjustable vacuum tube clamp assembly and vacuum cleaners including sameEMERSON ELECTRIC CO·Filed 2017·Granted Aug 6, 2019·2 cites·20 claims
- 2468US10512377B2Upright vacuum cleaner including magnetsEMERSON ELECTRIC CO·Filed 2017·Granted Dec 24, 2019·1 cites·20 claims
- 2568USD601320SFilter for a wet/dry vacuum cleanerEMERSON ELECTRIC CO·Filed 2008·Granted Sep 29, 2009·15 cites·1 claims
- 2667USD1054137SVacuum conduit connectorEMERSON ELECTRIC CO·Filed 2023·Granted Dec 10, 2024·3 cites·1 claims
- 2765US10085606B2Systems and apparatuses for cooling a vacuum deviceEMERSON ELECTRIC CO·Filed 2014·Granted Oct 2, 2018·2 cites·32 claims
- 2865USD617065SFilter for a wet/dry vacuum cleanerEMERSON ELECTRIC CO·Filed 2008·Granted Jun 1, 2010·13 cites·1 claims
- 2962US11464376B2Vacuum cleaner including debris tube and handleEMERSON ELECTRIC CO·Filed 2019·Granted Oct 11, 2022·0 cites·12 claims
- 3062US2025275661A1Squeegee Attachment Assembly And Vacuum Accessory Including SameEMERSON ELECTRIC CO·Filed 2024·Application pending·0 cites
- 3160USD601319SFilter for a wet/dry vacuum cleanerEMERSON ELECTRIC CO·Filed 2008·Granted Sep 29, 2009·11 cites·1 claims
- 3258USD1056381SVacuum conduit including illumination deviceEMERSON ELECTRIC CO·Filed 2023·Granted Dec 31, 2024·1 cites·1 claims
- 3358USD1052835SVacuum conduit pipe adapterEMERSON ELECTRIC CO·Filed 2023·Granted Nov 26, 2024·2 cites·1 claims
- 3456US10682030B2Upright vacuum cleaner including debris tube bracesEMERSON ELECTRIC CO·Filed 2017·Granted Jun 16, 2020·0 cites·17 claims
- 3556USD874765SPowerhead for a battery-powered wet/dry vacuum cleanerEMERSON ELECTRIC CO·Filed 2018·Granted Feb 4, 2020·5 cites·1 claims
- 3653USD601318SFilter for a wet/dry vacuum cleanerEMERSON ELECTRIC CO·Filed 2008·Granted Sep 29, 2009·8 cites·1 claims
- 3752USD943225SClog removal toolEMERSON ELECTRIC CO·Filed 2019·Granted Feb 8, 2022·5 cites·1 claims
- 3852US2014201943A1Vacuum Motor Scroll Assembly and Vacuums Including Such an AssemblyWILLIAMS MATTHEW A·Filed 2014·Application pending·0 cites
- 3951US11083352B2Motor cover for wet/dry vacuum cleaner with integrated hose retainerEMERSON ELECTRIC CO·Filed 2019·Granted Aug 10, 2021·0 cites·20 claims
- 4050US2006290015A1Humidifier and fluid dispensing valve thereforEMERSON ELECTRIC CO·Filed 2006·Application pending·0 cites
- 4149USD1091991SVacuum conduit connectorEMERSON ELECTRIC CO·Filed 2024·Granted Sep 2, 2025·0 cites·1 claims
- 4249USD1091032SVacuum conduit including illumination deviceEMERSON ELECTRIC CO·Filed 2024·Granted Aug 26, 2025·0 cites·1 claims
- 4346USD1021303SFilter for wet/dry vacuum cleanerEMERSON ELECTRIC CO·Filed 2021·Granted Apr 2, 2024·1 cites·1 claims
- 4446US10277155B2Smart DC power supply for AC equipmentEMERSON ELECTRIC CO·Filed 2015·Granted Apr 30, 2019·0 cites·27 claims
- 4546US2014208537A1Systems and Apparatuses for a Hanging Wall Wet/Dry Vacuum with Detachable Blower and Slide Out Drum RemovalEMERSON ELECTRIC CO·Filed 2014·Application pending·0 cites
- 4643US10258213B2Balanced airflow for a vacuum accessoryEMERSON ELECTRIC CO·Filed 2016·Granted Apr 16, 2019·0 cites·23 claims
- 4742US2012311811A1Wet/dry vacuum appliance, dust filtration attachment therefore, and methods of useHOLLIS ROBERT R·Filed 2011·Application pending·0 cites
- 4840USD929687SPowerhead for battery-powered wet/dry vacuum cleanerEMERSON ELECTRIC CO·Filed 2019·Granted Aug 31, 2021·1 cites·1 claims
- 4936US2004084787A1Humidifier bottle latch carry handleEMERSON ELECTRIC CO·Filed 2002·Application pending·0 cites
- 5035USD1104385SVacuum cleaner floor toolEMERSON ELECTRIC CO·Filed 2023·Granted Dec 2, 2025·0 cites·1 claims
Showing the top 50 of 56 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →