Inventor
SWANSON MARK S
US22 patents
⚠️ This page may combine multiple inventors who share the name “SWANSON MARK S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WALBRO CORP
9 patentsUS5647331AJul 15, 1997
Liquid cooled fuel pump and vapor separator
WALBRO CORP73 citations96
US5611312AMar 18, 1997
Carburetor and method and apparatus for controlling air/fuel ratio of same
WALBRO CORP97 citations95
US6009859AJan 4, 2000
Liquid-cooled in-line fuel pump
WALBRO CORP24 citations92
US5707561AJan 13, 1998
Tamper resistant carburetor needle valve adjustment limiter
WALBRO CORP41 citations92
US5250233AOct 5, 1993
Carburetor with accelerator and idle circuit shut-off
WALBRO CORP28 citations92
US5133905AJul 28, 1992
Fuel metering method and apparatus
WALBRO CORP29 citations92
US5322645AJun 21, 1994
Carburetor needle valve adjustment limiter cap and method of use
WALBRO CORP36 citations91
US5688443ANov 18, 1997
Temperature compensated fluid flow metering carburetor and method
WALBRO CORP7 citations73
US4759883AJul 26, 1988
Temperature compensated fluid flow metering system
WALBRO CORP18 citations73
WALBRO ENGINE MANAGEMENT LLC
5 patentsUS7216635B1May 15, 2007
Evaporative emission controls in a fuel system
WALBRO ENGINE MANAGEMENT LLC23 citations92
US7690342B2Apr 6, 2010
Priming circuit for a fuel system
WALBRO ENGINE MANAGEMENT LLC21 citations91
US7591251B1Sep 22, 2009
Evaporative emission controls in a fuel system
WALBRO ENGINE MANAGEMENT LLC11 citations84
US7350511B1Apr 1, 2008
Fuel vapor control system
WALBRO ENGINE MANAGEMENT LLC8 citations74
US9702312B2Jul 11, 2017
Engine control strategy and feedback system
WALBRO ENGINE MANAGEMENT LLC1 citations52
WALBRO LLC
5 patentsUS9765724B2Sep 19, 2017
Fuel injected engine system
WALBRO LLC3 citations72
US12523213B2Jan 13, 2026
Method of forming a diaphragm for a liquid pump
WALBRO LLC0 citations61
US12078121B2Sep 3, 2024
Fuel injector control strategy for intake vacuum based low pressure fuel system
WALBRO LLC0 citations61
US11773803B2Oct 3, 2023
Fuel injector control strategy for intake vacuum based low pressure fuel system
WALBRO LLC0 citations61
US10358996B2Jul 23, 2019
Engine control strategy
WALBRO LLC1 citations61