Inventor
BELTER DAVID J
US43 patents
⚠️ This page may combine multiple inventors who share the name “BELTER DAVID J”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BRUNSWICK CORP
38 patentsUS7001231B1Feb 21, 2006
Dual water injector for primary and idle relief exhaust passages
BRUNSWICK CORP71 citations95
US9828080B1Nov 28, 2017
Lockout for remote controls on marine vessels
BRUNSWICK CORP30 citations93
US9616987B1Apr 11, 2017
Marine engines and exhaust systems for marine engines
BRUNSWICK CORP24 citations93
US9174818B1Nov 3, 2015
Marine engines and exhaust systems for marine engines having a catalyst for treating exhaust
BRUNSWICK CORP19 citations92
US8763566B1Jul 1, 2014
Apparatus for cooling an engine of a marine propulsion system
BRUNSWICK CORP22 citations92
US7942138B1May 17, 2011
Outboard motor with exhaust gas recirculation cooling
BRUNSWICK CORP36 citations92
US7318396B1Jan 15, 2008
Cooling system for a marine propulsion engine
BRUNSWICK CORP37 citations92
US7000584B1Feb 21, 2006
Thermally insulated cylinder liner
BRUNSWICK CORP28 citations92
US7264520B1Sep 4, 2007
Cooling system for an outboard motor having both open and closed loop portions
BRUNSWICK CORP37 citations91
US6821171B1Nov 23, 2004
Cooling system for a four cycle outboard engine
BRUNSWICK CORP38 citations89
US9457881B1Oct 4, 2016
Outboard marine engines having a bedplate and cover assembly
BRUNSWICK CORP12 citations84
US8783217B1Jul 22, 2014
Method for cooling a four stroke marine engine with increased segregated heat removal from its exhaust manifold
BRUNSWICK CORP11 citations84
US7892057B1Feb 22, 2011
Outboard motor with idle relief valve
BRUNSWICK CORP8 citations84
US6883471B1Apr 26, 2005
Vortex enhanced cooling for an internal combustion engine
BRUNSWICK CORP13 citations84
US10995824B1May 4, 2021
Multi-speed transmissions for marine propulsion devices
BRUNSWICK CORP7 citations83
US10507898B1Dec 17, 2019
Lockout for remote controls on marine vessels
BRUNSWICK CORP12 citations83
US9903251B1Feb 27, 2018
Outboard motors and exhaust systems for outboard motors having an exhaust conduit supported inside the V-shape
BRUNSWICK CORP11 citations83
US7021262B1Apr 4, 2006
Undercowl plenum chamber with preferential air paths
BRUNSWICK CORP15 citations83
US7980231B1Jul 19, 2011
Outboard motor with an exhaust gas recirculation system and an idle exhaust relief system
BRUNSWICK CORP7 citations82
US7198019B1Apr 3, 2007
Lubricating system for a marine engine
BRUNSWICK CORP7 citations74
US11586207B1Feb 21, 2023
Marine propulsion system and method for preventing collision of marine propulsion devices
BRUNSWICK CORP2 citations73
US11548604B1Jan 10, 2023
Marine engine crankcase cover with integral oil cooler
BRUNSWICK CORP5 citations73
US11347223B1May 31, 2022
Marine propulsion system and method for preventing collision of marine propulsion devices
BRUNSWICK CORP2 citations73
US9701384B1Jul 11, 2017
Outboard marine engines and methods of removing cooling water from outboard marine engines
BRUNSWICK CORP4 citations73
US7178500B1Feb 20, 2007
Marine engine with a water cooled oil gallery
BRUNSWICK CORP8 citations73
US6733352B1May 11, 2004
Electronically controlled cooling system for a marine propulsion engine
BRUNSWICK CORP10 citations73
US12134454B1Nov 5, 2024
Marine propulsion system and method with single rear drive and lateral marine drive
BRUNSWICK CORP3 citations71
US9228455B1Jan 5, 2016
Outboard motors and marine engines having cam phaser arrangements
BRUNSWICK CORP6 citations71
US7128027B1Oct 31, 2006
Cooling system for an outboard motor
BRUNSWICK CORP8 citations71
US9944374B1Apr 17, 2018
Outboard motors and oil pickup devices for outboard motors
BRUNSWICK CORP5 citations68
US9944373B1Apr 17, 2018
Arrangements for lubricating outboard marine engines
BRUNSWICK CORP3 citations67
US12539953B1Feb 3, 2026
Configurable shift and throttle mechanism for tiller of marine drive
BRUNSWICK CORP0 citations62
US11970252B1Apr 30, 2024
Systems and methods for controlling power generation and transmission output speed for marine propulsion devices
BRUNSWICK CORP0 citations62
US11691702B2Jul 4, 2023
Systems and methods for controlling power generation and transmission output speed for marine propulsion devices
BRUNSWICK CORP0 citations62
US9527568B1Dec 27, 2016
Stern drives having accessible cooling water sea pump
BRUNSWICK CORP2 citations61
US6699086B1Mar 2, 2004
Coolant management system for a marine propulsion device
BRUNSWICK CORP4 citations60
US12479560B1Nov 25, 2025
Marine propulsion system and control method
BRUNSWICK CORP0 citations52
US9970331B1May 15, 2018
Arrangements for outboard marine engines having reduced width
BRUNSWICK CORP1 citations51
TAYLOR CHRISTOPHER J
3 patentsUS8500501B1Aug 6, 2013
Outboard marine drive cooling system
TAYLOR CHRISTOPHER J29 citations92
US8402930B1Mar 26, 2013
Method for cooling a four stroke marine engine with increased segregated heat removal from its exhaust manifold
TAYLOR CHRISTOPHER J18 citations92
US8479691B1Jul 9, 2013
Method for cooling a four stroke marine engine with multiple path coolant flow through its cylinder head
TAYLOR CHRISTOPHER J27 citations91