Inventor
PATTULLO GEORGE M
US40 patents
⚠️ This page may combine multiple inventors who share the name “PATTULLO GEORGE M”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WALBRO ENGINE MANAGEMENT LLC
15 patentsUS7448358B2Nov 11, 2008
Ignition timing control system for light duty combustion engines
WALBRO ENGINE MANAGEMENT LLC20 citations91
US7198028B2Apr 3, 2007
Ignition timing control system for light duty combustion engines
WALBRO ENGINE MANAGEMENT LLC22 citations91
US7000595B2Feb 21, 2006
Ignition timing control system for light duty combustion engines
WALBRO ENGINE MANAGEMENT LLC30 citations91
US7600505B2Oct 13, 2009
Fuel system purge and starter system
WALBRO ENGINE MANAGEMENT LLC9 citations84
US7334551B2Feb 26, 2008
Combustion engine pull cord start system
WALBRO ENGINE MANAGEMENT LLC12 citations84
US7275508B2Oct 2, 2007
Combustion engine pull-starter
WALBRO ENGINE MANAGEMENT LLC11 citations84
US7040282B2May 9, 2006
Independent timing retard for engine speed limiting
WALBRO ENGINE MANAGEMENT LLC15 citations84
US7735471B2Jun 15, 2010
Controlling a light-duty combustion engine
WALBRO ENGINE MANAGEMENT LLC17 citations83
US7427057B1Sep 23, 2008
Control valve assembly of a carburetor and method of assembly
WALBRO ENGINE MANAGEMENT LLC18 citations77
US7104252B1Sep 12, 2006
Crankcase venting rotary valve carburetor
WALBRO ENGINE MANAGEMENT LLC9 citations74
US9567944B2Feb 14, 2017
Layered diaphragm
WALBRO ENGINE MANAGEMENT LLC3 citations73
US7699294B2Apr 20, 2010
Charge forming device with idle and open throttle choke control
WALBRO ENGINE MANAGEMENT LLC4 citations63
US7249586B2Jul 31, 2007
Apparatus and method for limiting excessive engine speeds in a light-duty combustion engine
WALBRO ENGINE MANAGEMENT LLC6 citations63
US7136742B2Nov 14, 2006
Engine kill-switch control circuit and method of operating the same
WALBRO ENGINE MANAGEMENT LLC5 citations63
US7380772B1Jun 3, 2008
Charge forming device with controlled air bypass
WALBRO ENGINE MANAGEMENT LLC0 citations40
WALBRO CORP
14 patentsUS6202989B1Mar 20, 2001
Carburetor throttle and choke control mechanism
WALBRO CORP70 citations96
US5984281ANov 16, 1999
Carburetor needle valve and limiter cap installation and adjustment apparatus
WALBRO CORP82 citations94
US6585235B2Jul 1, 2003
Fuel regulating mechanism and method for a rotary throttle valve type carburetor
WALBRO CORP54 citations92
US6439547B1Aug 27, 2002
Carburetor throttle and choke control mechanism
WALBRO CORP45 citations92
US6402124B1Jun 11, 2002
Carburetor fuel mixture adjustment assembly
WALBRO CORP20 citations92
US6374810B1Apr 23, 2002
Fuel and air purge system for diaphragm carburetors
WALBRO CORP22 citations92
US6394424B2May 28, 2002
Carburetor with diaphragm type fuel pump
WALBRO CORP29 citations91
US5753148AMay 19, 1998
Carburetor needle valve adjustment limiter cap apparatus and method of adjusting fuel flow
WALBRO CORP51 citations91
US5322645AJun 21, 1994
Carburetor needle valve adjustment limiter cap and method of use
WALBRO CORP36 citations91
US6536747B2Mar 25, 2003
Carburetor vent control
WALBRO CORP15 citations84
US6561496B2May 13, 2003
Carburetor throttle control detent mechanism
WALBRO CORP16 citations82
US6267102B1Jul 31, 2001
Carburetor with displaced idle flow
WALBRO CORP8 citations74
US6402125B1Jun 11, 2002
Carburetor valve rotational setting retainer assembly
WALBRO CORP7 citations71
US6540212B2Apr 1, 2003
Carburetor valve rotational setting retainer assembly
WALBRO CORP2 citations60
WALBRO LLC
7 patentsUS10072615B2Sep 11, 2018
Carburetor air-fuel mixture adjustment assembly and tools
WALBRO LLC7 citations84
US10082107B2Sep 25, 2018
Carburetor air-fuel mixture adjustment assembly and tools
WALBRO LLC3 citations73
US11118536B2Sep 14, 2021
Tamper resistant adjustment valve for a charge forming device
WALBRO LLC0 citations62
US10662899B2May 26, 2020
Layered diaphragm
WALBRO LLC1 citations62
US10408136B2Sep 10, 2019
Throttle trigger actuated throttle position sensor and engine control module
WALBRO LLC1 citations62
US11125196B2Sep 21, 2021
Bottom mount fuel pump assembly
WALBRO LLC0 citations50
US10844800B2Nov 24, 2020
Engine kill switch and control assembly
WALBRO LLC0 citations40