Inventor · disambiguated record
Zhengzhong Li
Also filed as: LI ZHENGZHONG
41 granted patents·1 pending application·426 citations·filing 1996–2025
97Inventor score
Files withLI ZHENGZHONG30LI MING5LIAO NING DAAN INTERNAL COMBUS2SHENZHEN SULANG TECH CO LTD2BEIJING SINOCEP ENGINE TECH CO LTD1
Top patents by PatentIndex Score
42 records- 0197US6843166B1Automatic cooking and vending machineFiled 2004·Granted Jan 18, 2005·167 cites·19 claims
- 0294US11904445B1Manual tweezersSHENZHEN SULANG TECH CO LTD·Filed 2023·Granted Feb 20, 2024·3 cites·9 claims
- 0394USD1006227SEar cleanerLI ZHENGZHONG·Filed 2023·Granted Nov 28, 2023·17 cites·1 claims
- 0493US5797330AMass transit systemFiled 1996·Granted Aug 25, 1998·105 cites·19 claims
- 0592USD1006228SEar cleanerLI ZHENGZHONG·Filed 2023·Granted Nov 28, 2023·14 cites·1 claims
- 0691USD994120SEar cleaning deviceLI ZHENGZHONG·Filed 2023·Granted Aug 1, 2023·12 cites·1 claims
- 0790USD1033912SElectric cleaning brushLI ZHENGZHONG·Filed 2023·Granted Jul 9, 2024·11 cites·1 claims
- 0889USD1028365SNail polisherLI ZHENGZHONG·Filed 2023·Granted May 21, 2024·10 cites·1 claims
- 0989USD1025350SOral irrigatorLI ZHENGZHONG·Filed 2023·Granted Apr 30, 2024·10 cites·1 claims
- 1089US11920763B1Projection lampLI ZHENGZHONG·Filed 2023·Granted Mar 5, 2024·2 cites·20 claims
- 1186USD1010824SEar cleaning deviceLI ZHENGZHONG·Filed 2023·Granted Jan 9, 2024·9 cites·1 claims
- 1284USD1088223SElectric irrigatorLI ZHENGZHONG·Filed 2025·Granted Aug 12, 2025·1 cites·1 claims
- 1383USD1037451SEar cleanerLI ZHENGZHONG·Filed 2023·Granted Jul 30, 2024·5 cites·1 claims
- 1475USD1040412SProjection lampLI ZHENGZHONG·Filed 2023·Granted Aug 27, 2024·4 cites·1 claims
- 1572USD1027177SEar spoon sleeveLI ZHENGZHONG·Filed 2023·Granted May 14, 2024·3 cites·1 claims
- 1670US5934229ADouble circular slider crank reciprocating piston internal combustion engineLIAO NING DAAN INTERNAL COMBUS·Filed 1996·Granted Aug 10, 1999·26 cites·10 claims
- 1769USD1069117SEar cleanerLI ZHENGZHONG·Filed 2024·Granted Apr 1, 2025·2 cites·1 claims
- 1868USD1046140SEar cleanerLI ZHENGZHONG·Filed 2024·Granted Oct 8, 2024·2 cites·1 claims
- 1967USD1026224SEar cleanerLI ZHENGZHONG·Filed 2023·Granted May 7, 2024·2 cites·1 claims
- 2067US9593579B2Crank circular sliding block mechanism and reciprocating member, cylinder block, internal combustion engine, and compressorLI MING·Filed 2011·Granted Mar 14, 2017·3 cites·15 claims
- 2166US12413845B1Inspection device with display screenLI ZHENGZHONG·Filed 2024·Granted Sep 9, 2025·0 cites·20 claims
- 2263US12256904B1Inspection device with display screenLI ZHENGZHONG·Filed 2024·Granted Mar 25, 2025·0 cites·9 claims
- 2362USD1061889SEar cleanerLI ZHENGZHONG·Filed 2024·Granted Feb 11, 2025·1 cites·1 claims
- 2462US8931442B2V-type block of a crank circular slider mechanism and a cylinder liner, a group of the cylinder liner, mechanical equipment thereofLI MING·Filed 2010·Granted Jan 13, 2015·2 cites·7 claims
- 2560USD1061888SEar cleanerLI ZHENGZHONG·Filed 2024·Granted Feb 11, 2025·1 cites·1 claims
- 2660USD1037453SEar spoonLI ZHENGZHONG·Filed 2023·Granted Jul 30, 2024·1 cites·1 claims
- 2760USD1037452SEar spoonLI ZHENGZHONG·Filed 2023·Granted Jul 30, 2024·1 cites·1 claims
- 2859USD1037450SEar spoonLI ZHENGZHONG·Filed 2023·Granted Jul 30, 2024·1 cites·1 claims
- 2959USD1024331SEar spoonLI ZHENGZHONG·Filed 2023·Granted Apr 23, 2024·1 cites·1 claims
- 3058US12157419B1Vehicle-mounted child monitoring deviceSHENZHEN SULANG TECH CO LTD·Filed 2023·Granted Dec 3, 2024·0 cites·10 claims
- 3152US9163658B2Parts for crankshaft of internal combustion engine or compressor, crankshaft, internal combustion engine and compressorLI MING·Filed 2009·Granted Oct 20, 2015·0 cites·11 claims
- 3249USD1065514SSpatulaLI ZHENGZHONG·Filed 2024·Granted Mar 4, 2025·0 cites·1 claims
- 3348US10012224B2Crank circular sliding block mechanism, parts thereof, and equipment therefromLI MING·Filed 2010·Granted Jul 3, 2018·0 cites·12 claims
- 3447USD1079941SOtoscopeLI ZHENGZHONG·Filed 2024·Granted Jun 17, 2025·0 cites·1 claims
- 3547USD1070081SOtoscopeLI ZHENGZHONG·Filed 2024·Granted Apr 8, 2025·0 cites·1 claims
- 3645USD1102736SEar cleaner storage deviceLI ZHENGZHONG·Filed 2025·Granted Nov 25, 2025·0 cites·1 claims
- 3745USD1050435SEar spoonLI ZHENGZHONG·Filed 2023·Granted Nov 5, 2024·0 cites·1 claims
- 3844USD1025363SEar spoonLI ZHENGZHONG·Filed 2023·Granted Apr 30, 2024·0 cites·1 claims
- 3944USD1025362SEar spoonLI ZHENGZHONG·Filed 2023·Granted Apr 30, 2024·0 cites·1 claims
- 4043US6082314AMultiple circular slider crank reciprocating piston internal combustion engineLIAO NING DAAN INTERNAL COMBUS·Filed 1996·Granted Jul 4, 2000·10 cites·21 claims
- 4139US10473098B2Reciprocating plunger pump and its engine body, the slider crank mechanism and the slide block, the bearing seat, the crankcase upper cover and the plunger seatBEIJING SINOCEP ENGINE TECH CO LTD·Filed 2014·Granted Nov 12, 2019·0 cites·15 claims
- 4239US2012160041A1Crankshaft-slider assembly and internal combustion engine, compressor thereofLI MING·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →