Assignee
WALBRO LLC
US·91 granted patents·21 pending applications·115 citations·filing 2014–2025
Top patents by PatentIndex Score
112 records- 0198US9631736B2Low cost solenoid valveWALBRO LLC·Filed 2014·Granted Apr 25, 2017·22 cites·19 claims
- 0297US11073122B2Low pressure fuel and air charge forming device for a combustion engineWALBRO LLC·Filed 2017·Granted Jul 27, 2021·23 cites·20 claims
- 0394US10072615B2Carburetor air-fuel mixture adjustment assembly and toolsWALBRO LLC·Filed 2016·Granted Sep 11, 2018·7 cites·23 claims
- 0492US10738741B2Charge forming device with adjustable valve limiterWALBRO LLC·Filed 2017·Granted Aug 11, 2020·4 cites·15 claims
- 0591US11578688B2Fuel and air charge forming deviceWALBRO LLC·Filed 2021·Granted Feb 14, 2023·2 cites·14 claims
- 0691US11131273B2Charge forming system for combustion engineWALBRO LLC·Filed 2018·Granted Sep 28, 2021·12 cites·21 claims
- 0789US11008951B2Low pressure fuel injection system for a multi-cylinder light-duty internal combustion engineWALBRO LLC·Filed 2018·Granted May 18, 2021·3 cites·20 claims
- 0889US10082107B2Carburetor air-fuel mixture adjustment assembly and toolsWALBRO LLC·Filed 2016·Granted Sep 25, 2018·3 cites·21 claims
- 0988US9765724B2Fuel injected engine systemWALBRO LLC·Filed 2016·Granted Sep 19, 2017·3 cites·13 claims
- 1087US11231002B2Fuel and air charge forming deviceWALBRO LLC·Filed 2018·Granted Jan 25, 2022·3 cites·18 claims
- 1184US12385457B2Method of controlling a fuel injectorWALBRO LLC·Filed 2024·Granted Aug 12, 2025·0 cites·18 claims
- 1283US10473042B2Engine control strategyWALBRO LLC·Filed 2016·Granted Nov 12, 2019·2 cites·10 claims
- 1382US11300090B2Multi-function engine control and input systemWALBRO LLC·Filed 2018·Granted Apr 12, 2022·3 cites·20 claims
- 1482US10549631B2Fuel pump assembly with removable and/or movable supportsWALBRO LLC·Filed 2018·Granted Feb 4, 2020·3 cites·20 claims
- 1582US10352471B2Solenoid valveWALBRO LLC·Filed 2017·Granted Jul 16, 2019·1 cites·18 claims
- 1682US10054082B2Carburetor with fuel metering diaphragmWALBRO LLC·Filed 2016·Granted Aug 21, 2018·2 cites·22 claims
- 1782US2025361846A1Fuel pump assembly with multiple pumps and variable outputWALBRO LLC·Filed 2025·Application pending·0 cites
- 1880US12012920B2Charge forming device with throttle valveWALBRO LLC·Filed 2023·Granted Jun 18, 2024·0 cites·9 claims
- 1980US10626839B2Ignition system for light-duty combustion engineWALBRO LLC·Filed 2018·Granted Apr 21, 2020·1 cites·14 claims
- 2080US10001067B2Carburetor with scavenging fluid flowWALBRO LLC·Filed 2015·Granted Jun 19, 2018·2 cites·22 claims
- 2179US12123374B2Fuel supply device with injector and vapor managementWALBRO LLC·Filed 2024·Granted Oct 22, 2024·0 cites·20 claims
- 2279US10662899B2Layered diaphragmWALBRO LLC·Filed 2016·Granted May 26, 2020·1 cites·17 claims
- 2379US10544745B2Engine self-adjustment systemWALBRO LLC·Filed 2017·Granted Jan 28, 2020·2 cites·12 claims
- 2479US10125696B2Charge forming device with throttle valve adjusterWALBRO LLC·Filed 2016·Granted Nov 13, 2018·2 cites·20 claims
- 2578US12078121B2Fuel injector control strategy for intake vacuum based low pressure fuel systemWALBRO LLC·Filed 2023·Granted Sep 3, 2024·0 cites·19 claims
- 2678US10995723B2Magneto ignition system and ignition control systemWALBRO LLC·Filed 2018·Granted May 4, 2021·1 cites·20 claims
- 2777US11927164B2Low pressure fuel and air charge forming device for a combustion engineWALBRO LLC·Filed 2022·Granted Mar 12, 2024·0 cites·20 claims
- 2877US10876648B2Solenoid valve with armature stopWALBRO LLC·Filed 2019·Granted Dec 29, 2020·1 cites·13 claims
- 2977US10358996B2Engine control strategyWALBRO LLC·Filed 2016·Granted Jul 23, 2019·1 cites·36 claims
- 3076US11885430B2Electromechanical valve and method of assemblyWALBRO LLC·Filed 2019·Granted Jan 30, 2024·2 cites·18 claims
- 3175US11408383B2Fuel pump assembly with electric motor fuel pump and fluid driven fuel pumpWALBRO LLC·Filed 2019·Granted Aug 9, 2022·1 cites·20 claims
- 3275US11313328B2Fuel supply system for engine warm-upWALBRO LLC·Filed 2017·Granted Apr 26, 2022·1 cites·18 claims
- 3375US11274762B2Float and hinge for a valveWALBRO LLC·Filed 2018·Granted Mar 15, 2022·1 cites·19 claims
- 3474US12523213B2Method of forming a diaphragm for a liquid pumpWALBRO LLC·Filed 2022·Granted Jan 13, 2026·0 cites·23 claims
- 3574US12385455B2Fuel pump assembly with multiple pumps and variable outputWALBRO LLC·Filed 2022·Granted Aug 12, 2025·0 cites·19 claims
- 3673US12429019B2Fuel and air charge forming deviceWALBRO LLC·Filed 2023·Granted Sep 30, 2025·0 cites·20 claims
- 3773US11920544B2Fuel supply device with injector and vapor managementWALBRO LLC·Filed 2022·Granted Mar 5, 2024·0 cites·21 claims
- 3873US11085407B2Fuel supply module and control systemWALBRO LLC·Filed 2017·Granted Aug 10, 2021·1 cites·24 claims
- 3973US10408136B2Throttle trigger actuated throttle position sensor and engine control moduleWALBRO LLC·Filed 2016·Granted Sep 10, 2019·1 cites·23 claims
- 4073US2025332911A1Dual valve system for a fuel tankWALBRO LLC·Filed 2025·Application pending·0 cites
- 4172US11536235B2Low pressure fuel and air charge forming device for a combustion engineWALBRO LLC·Filed 2021·Granted Dec 27, 2022·0 cites·11 claims
- 4271US11781493B2Throttle body with fluid flow controlWALBRO LLC·Filed 2022·Granted Oct 10, 2023·0 cites·16 claims
- 4371US11761403B2Charge forming device with tamper resistant adjustable valveWALBRO LLC·Filed 2021·Granted Sep 19, 2023·0 cites·13 claims
- 4471US11118536B2Tamper resistant adjustment valve for a charge forming deviceWALBRO LLC·Filed 2019·Granted Sep 14, 2021·0 cites·20 claims
- 4571US10890140B2Carburetor fuel controlWALBRO LLC·Filed 2016·Granted Jan 12, 2021·1 cites·19 claims
- 4670US11644002B2Multi-function engine control and input systemWALBRO LLC·Filed 2022·Granted May 9, 2023·0 cites·13 claims
- 4770US11319900B2Charge forming device with electrically actuated vapor separator vent valveWALBRO LLC·Filed 2021·Granted May 3, 2022·0 cites·15 claims
- 4870US11255457B2Solenoid valveWALBRO LLC·Filed 2020·Granted Feb 22, 2022·0 cites·8 claims
- 4969US11905901B2System for improved starting of a powered device including one or more threshold conditionsWALBRO LLC·Filed 2019·Granted Feb 20, 2024·1 cites·15 claims
- 5068US11802529B2Fuel and air charge forming deviceWALBRO LLC·Filed 2022·Granted Oct 31, 2023·0 cites·19 claims
Showing the top 50 of 112 patent records by PatentIndex Score.
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