Assignee
WEICHAI POWER CO LTD
CN·50 granted patents·6 pending applications·19 citations·filing 2016–2025
Top patents by PatentIndex Score
56 records- 0193US11149680B1Weak tumble flow fast combustion system and gas engineWEICHAI POWER CO LTD·Filed 2021·Granted Oct 19, 2021·8 cites·10 claims
- 0285US11817604B2Apparatus having at least one fuel cellWEICHAI POWER CO LTD·Filed 2020·Granted Nov 14, 2023·2 cites·19 claims
- 0380US10995706B1Gas mixing device and a natural gas engineWEICHAI POWER CO LTD·Filed 2020·Granted May 4, 2021·1 cites·10 claims
- 0476US10961943B1Method and system for controlling combustion of natural gas engineWEICHAI POWER CO LTD·Filed 2020·Granted Mar 30, 2021·1 cites·12 claims
- 0576US10094256B2Oil-gas separator assembly and internal combustion engineWEICHAI POWER CO LTD·Filed 2016·Granted Oct 9, 2018·2 cites·17 claims
- 0674US11002227B2Engine and mixed-gas intake device thereofWEICHAI POWER CO LTD·Filed 2017·Granted May 11, 2021·2 cites·20 claims
- 0771US10982618B1Method and system for controlling air-fuel ratio for gas engineWEICHAI POWER CO LTD·Filed 2020·Granted Apr 20, 2021·1 cites·15 claims
- 0868US11761853B2Engine piston and fatigue testing apparatus for engine pistonWEICHAI POWER CO LTD·Filed 2022·Granted Sep 19, 2023·0 cites·10 claims
- 0965US11578635B2Post-treatment system, method for controlling post-treatment system, and vehicleWEICHAI POWER CO LTD·Filed 2019·Granted Feb 14, 2023·1 cites·7 claims
- 1063US12553374B2Exhaust pipe, method for optimizing and designing exhaust pipe, and engineWEICHAI POWER CO LTD·Filed 2024·Granted Feb 17, 2026·0 cites·7 claims
- 1159US12359610B2Control method for an air intake intercooler that heats or cools intake air of an engine and a control system thereofWEICHAI POWER CO LTD·Filed 2023·Granted Jul 15, 2025·0 cites·9 claims
- 1258US11891924B2Rocker arm mechanism and engine assemblyWEICHAI POWER CO LTD·Filed 2020·Granted Feb 6, 2024·0 cites·18 claims
- 1358US2025293568A1Integrated electric pump and vehicleWEICHAI POWER CO LTD·Filed 2025·Application pending·0 cites
- 1457US12228093B2Airway structure, cylinder cover, and miller-profile engineWEICHAI POWER CO LTD·Filed 2024·Granted Feb 18, 2025·0 cites·17 claims
- 1556US12085039B2Composite coating, piston, engine and vehicleWEICHAI POWER CO LTD·Filed 2022·Granted Sep 10, 2024·0 cites·19 claims
- 1652US11092061B2Pulse exhaust pipe and diesel engine installed with pulse exhaust pipeWEICHAI POWER CO LTD·Filed 2017·Granted Aug 17, 2021·0 cites·4 claims
- 1751US12467394B2Selective catalytic reduction (SCR) system and engineWEICHAI POWER CO LTD·Filed 2023·Granted Nov 11, 2025·0 cites·16 claims
- 1851US12109533B2Urea tank for SCR aftertreatment system, and tank cover thereofWEICHAI POWER CO LTD·Filed 2018·Granted Oct 8, 2024·0 cites·10 claims
- 1951US11149621B2Exhaust pipe assembly and engineWEICHAI POWER CO LTD·Filed 2017·Granted Oct 19, 2021·0 cites·20 claims
- 2050US11448168B2Exhaust gas recirculation system and engineWEICHAI POWER CO LTD·Filed 2018·Granted Sep 20, 2022·0 cites·19 claims
- 2150US11187182B1Cylinder head and gas engineWEICHAI POWER CO LTD·Filed 2021·Granted Nov 30, 2021·0 cites·12 claims
- 2249US11346745B2Fatigue test assessment methodWEICHAI POWER CO LTD·Filed 2018·Granted May 31, 2022·0 cites·18 claims
- 2349US11280357B1Hydraulic variable pump set and excavatorWEICHAI POWER CO LTD·Filed 2018·Granted Mar 22, 2022·0 cites·20 claims
- 2449US11204003B2Pressure stabilizer, a gas engine system and a gas pressure control methodWEICHAI POWER CO LTD·Filed 2020·Granted Dec 21, 2021·0 cites·10 claims
- 2547US12503968B2SCR system and engineWEICHAI POWER CO LTD·Filed 2022·Granted Dec 23, 2025·0 cites·16 claims
- 2647US12196151B2Control method for combustion system, combustion system and engineWEICHAI POWER CO LTD·Filed 2022·Granted Jan 14, 2025·0 cites·11 claims
- 2746US12188423B2Cylinder deactivation control method and apparatus of engine, and engineWEICHAI POWER CO LTD·Filed 2024·Granted Jan 7, 2025·0 cites·20 claims
- 2846US12180904B2Control method for combustion system, combustion system, and diesel engineWEICHAI POWER CO LTD·Filed 2022·Granted Dec 31, 2024·0 cites·11 claims
- 2946US11365666B2Generator and double-swirl mixing device thereofWEICHAI POWER CO LTD·Filed 2016·Granted Jun 21, 2022·0 cites·4 claims
- 3046US11041467B2Backflow preventer and engine EGR systemWEICHAI POWER CO LTD·Filed 2017·Granted Jun 22, 2021·0 cites·11 claims
- 3145US2021262367A1Intake Valve Device Capable of Implementing Two-Stage Switching of Gas Distribution Phase and Diesel EngineWEICHAI POWER CO LTD·Filed 2018·Application pending·0 cites
- 3245US2025265552A1Method for predicting remaining service life of urea pump and related apparatusWEICHAI POWER CO LTD·Filed 2022·Application pending·0 cites
- 3344US12292011B2Cylinder deactivation control method and apparatus of engine, and engineWEICHAI POWER CO LTD·Filed 2024·Granted May 6, 2025·0 cites·20 claims
- 3444US12196161B2EGR mixing and adjusting apparatus and internal combustion engineWEICHAI POWER CO LTD·Filed 2018·Granted Jan 14, 2025·0 cites·12 claims
- 3543US12152520B2Urea pump, and control method and control system for urea pumpWEICHAI POWER CO LTD·Filed 2022·Granted Nov 26, 2024·0 cites·11 claims
- 3643US12104510B2Method for detecting urea consumption deviation, and vehicle post-processing systemWEICHAI POWER CO LTD·Filed 2019·Granted Oct 1, 2024·0 cites·9 claims
- 3743US11919399B2Hybrid power systemWEICHAI POWER CO LTD·Filed 2019·Granted Mar 5, 2024·0 cites·4 claims
- 3843US11649790B1Control method and apparatus applied to controllerWEICHAI POWER CO LTD·Filed 2022·Granted May 16, 2023·0 cites·12 claims
- 3943US11530660B2Phase diagnosis method and apparatusWEICHAI POWER CO LTD·Filed 2018·Granted Dec 20, 2022·0 cites·8 claims
- 4043US11203991B2Gas control system and gas control method of off-road gas engineWEICHAI POWER CO LTD·Filed 2018·Granted Dec 21, 2021·0 cites·9 claims
- 4142US11352961B2Valve rocker arm assembly, variable air distribution mechanism and engineWEICHAI POWER CO LTD·Filed 2017·Granted Jun 7, 2022·0 cites·19 claims
- 4241US11486273B2Variable valve driving mechanism of engine, and engineWEICHAI POWER CO LTD·Filed 2018·Granted Nov 1, 2022·0 cites·8 claims
- 4340US12134995B2Method for controlling combustion system, combustion system, and internal combustion engineWEICHAI POWER CO LTD·Filed 2021·Granted Nov 5, 2024·0 cites·11 claims
- 4440US11125120B2Valve bridge and engine comprising the valve bridgeWEICHAI POWER CO LTD·Filed 2016·Granted Sep 21, 2021·0 cites·20 claims
- 4539US10876439B2Internal combustion engine, lubrication system, and engine oil strainerWEICHAI POWER CO LTD·Filed 2016·Granted Dec 29, 2020·0 cites·11 claims
- 4639US2022216699A1Device comprising at least one rechargeable batteryWEICHAI POWER CO LTD·Filed 2020·Application pending·0 cites
- 4738US12145568B2Control method and system for hybrid power systemWEICHAI POWER CO LTD·Filed 2019·Granted Nov 19, 2024·0 cites·10 claims
- 4837US11506283B2Gear selection and shifting actuating mechanism and methodWEICHAI POWER CO LTD·Filed 2018·Granted Nov 22, 2022·0 cites·10 claims
- 4936USD996468SDiesel engineWEICHAI POWER CO LTD·Filed 2022·Granted Aug 22, 2023·0 cites·1 claims
- 5036US2025101898A1Ultra-compact post-processing system, supercharger assembly and engineWEICHAI POWER CO LTD·Filed 2023·Application pending·0 cites
Showing the top 50 of 56 patent records by PatentIndex Score.
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