Inventor · disambiguated record
William Harrington
Also filed as: HARRINGTON JR WILLIAM · HARRINGTON WILLIAM · HARRINGTON WILLIAM S
85 granted patents·12 pending applications·533 citations·filing 1980–2025
99Inventor score
Top patents by PatentIndex Score
97 records- 0196US11926032B2Tool handles having stationary and rotational portionsUNGER MARKETING INT LLC·Filed 2021·Granted Mar 12, 2024·4 cites·17 claims
- 0295US10827822B2Cleaning devices having feedback between different cleaning statesUNGER MARKETING INT LLC·Filed 2015·Granted Nov 10, 2020·12 cites·18 claims
- 0395USD851412SBrush headUNGER MARKETING INT LLC·Filed 2017·Granted Jun 18, 2019·10 cites·1 claims
- 0494US11849835B2Cleaning devices having feedback between different cleaning statesUNGER MARKETING INT LLC·Filed 2020·Granted Dec 26, 2023·2 cites·19 claims
- 0594US9878444B1Reaching and grasping tool with improved gripping headsUNGER MARKETING INT LLC·Filed 2016·Granted Jan 30, 2018·16 cites·22 claims
- 0693US11458515B2Cleaning devices for cleaning of difficult to reach locationsUNGER MARKETING INT LLC·Filed 2018·Granted Oct 4, 2022·8 cites·9 claims
- 0791USD872403STrigger gripUNGER MARKETING INT LLC·Filed 2016·Granted Jan 7, 2020·5 cites·1 claims
- 0889US11576550B2Flat headed mopUNGER MARKETING INT LLC·Filed 2019·Granted Feb 14, 2023·3 cites·10 claims
- 0989US11122956B2Hard surface cleaning and conditioning assembliesUNGER MARKETING INT LLC·Filed 2016·Granted Sep 21, 2021·5 cites·25 claims
- 1087US12096898B2Floor cleaning systemUNGER MARKETING INT LLC·Filed 2023·Granted Sep 24, 2024·0 cites·13 claims
- 1186USD942154SCartridge brushUNGER MARKETING INT LLC·Filed 2020·Granted Feb 1, 2022·8 cites·1 claims
- 1285US12042109B2Flat headed mop and method of operationUNGER MARKETING INT LLC·Filed 2022·Granted Jul 23, 2024·0 cites·20 claims
- 1384US11006738B2Cleaning devices having selectively flexible or rigid handlesUNGER MARKETING INT LLC·Filed 2018·Granted May 18, 2021·5 cites·14 claims
- 1484US2024148217A1Floor cleaning systemUNGER MARKETING INT LLC·Filed 2023·Application pending·0 cites
- 1582USD1072405SSqueegee tool having a fixed bladeUNGER MARKETING INT LLC·Filed 2023·Granted Apr 22, 2025·7 cites·1 claims
- 1682USD962575SBucket for floor cleaningUNGER MARKETING INT LLC·Filed 2021·Granted Aug 30, 2022·6 cites·1 claims
- 1780USD981222SClamp for an extendable poleUNGER MARKETING INT LLC·Filed 2021·Granted Mar 21, 2023·8 cites·1 claims
- 1879USD922712SFlat headed mopUNGER MARKETING INT LLC·Filed 2019·Granted Jun 15, 2021·16 cites·1 claims
- 1979USD882963SCartridge brushUNGER MARKETING INT LLC·Filed 2018·Granted May 5, 2020·13 cites·1 claims
- 2079USD866899STool gripUNGER MARKETING INT LLC·Filed 2017·Granted Nov 12, 2019·17 cites·1 claims
- 2179US2024032767A1Hard surface cleaning and conditioning assembliesUNGER MARKETING INT LLC·Filed 2023·Application pending·0 cites
- 2278US12017942B2Water conditioning systemsUNGER MARKETING INT LLC·Filed 2020·Granted Jun 25, 2024·1 cites·25 claims
- 2378USD909069SCartridge brushUNGER MARKETING INT LLC·Filed 2020·Granted Feb 2, 2021·5 cites·1 claims
- 2478US10575703B2Versatile cleaning devicesUNGER MARKETING INT LLC·Filed 2015·Granted Mar 3, 2020·3 cites·19 claims
- 2577US11896180B2Floor cleaning systemUNGER MARKETING INT LLC·Filed 2019·Granted Feb 13, 2024·1 cites·14 claims
- 2677US11759085B2Floor cleaning systemUNGER MARKETING INT LLC·Filed 2019·Granted Sep 19, 2023·1 cites·8 claims
- 2777USD933325SFloor cleaning systemUNGER MARKETING INT LLC·Filed 2021·Granted Oct 12, 2021·4 cites·1 claims
- 2876USD826025STrigger handleUNGER MARKETING INT LLC·Filed 2016·Granted Aug 21, 2018·15 cites·1 claims
- 2976USD809374SGripping headUNGER MARKETING INT LLC·Filed 2016·Granted Feb 6, 2018·15 cites·1 claims
- 3076USD772580SToilet brush handleUNGER MARKETING INT LLC·Filed 2014·Granted Nov 29, 2016·19 cites·1 claims
- 3175US12377448B2Cleaning devices for cleaning of difficult to reach locationsUNGER MARKETING INT LLC·Filed 2022·Granted Aug 5, 2025·0 cites·20 claims
- 3275USD915703SFlat headed mopUNGER MARKETING INT LLC·Filed 2019·Granted Apr 6, 2021·13 cites·1 claims
- 3374USD744760SBrush handleUNGER MARKETING INT·Filed 2014·Granted Dec 8, 2015·18 cites·1 claims
- 3472US11759084B2Hard surface cleaning and conditioning assembliesUNGER MARKETING INT LLC·Filed 2021·Granted Sep 19, 2023·0 cites·9 claims
- 3572USD852510SAdjustable brush handleUNGER MARKETING INT LLC·Filed 2018·Granted Jul 2, 2019·15 cites·1 claims
- 3671USD740915SWater purification deviceUNGER MARKETING INT·Filed 2014·Granted Oct 13, 2015·16 cites·1 claims
- 3770USD771392SPalm brushUNGER MARKETING INT LLC·Filed 2014·Granted Nov 15, 2016·15 cites·1 claims
- 3870USD743703SBrush handleUNGER MARKETING INT·Filed 2014·Granted Nov 24, 2015·15 cites·1 claims
- 3968US10258205B2Cleaning devices with selectively flexible or rigid handlesUNGER MARKETING INT LLC·Filed 2015·Granted Apr 16, 2019·1 cites·17 claims
- 4068USD830065SBrush handleUNGER MARKETING INT LLC·Filed 2017·Granted Oct 9, 2018·11 cites·1 claims
- 4167USD851408SCartridge brushUNGER MARKETING INT LLC·Filed 2018·Granted Jun 18, 2019·10 cites·1 claims
- 4266USD792044SPole gripUNGER MARKETING INT LLC·Filed 2015·Granted Jul 11, 2017·10 cites·1 claims
- 4365USD778068SBrush handleUNGER MARKETING INT LLC·Filed 2014·Granted Feb 7, 2017·12 cites·1 claims
- 4465USD744242SBrush handleUNGER MARKETING INT·Filed 2014·Granted Dec 1, 2015·12 cites·1 claims
- 4565USD744243SBrush handleUNGER MARKETING INT·Filed 2014·Granted Dec 1, 2015·12 cites·1 claims
- 4664USD973989SExtendable window cleaning toolUNGER MARKETING INT LLC·Filed 2021·Granted Dec 27, 2022·2 cites·1 claims
- 4764US10952573B2Cleaning devices with selectively flexible or rigid handlesUNGER MARKETING INT LLC·Filed 2019·Granted Mar 23, 2021·0 cites·20 claims
- 4863USD923896SFloor cleaning systemUNGER MARKETING INT LLC·Filed 2019·Granted Jun 29, 2021·6 cites·1 claims
- 4963US2024225382A1Handheld cleaning toolUNGER MARKETING INT LLC·Filed 2024·Application pending·0 cites
- 5063US2024225406A1Squeegee with swiveling headUNGER MARKETING INT LLC·Filed 2024·Application pending·0 cites
Showing the top 50 of 97 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →