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.
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →