David J. Belter
41Patents
13h-index
44Co-inventors
81Inventor score
Filing activity: Nov 13, 2002 → Apr 19, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7001231B1 | Dual water injector for primary and idle relief exhaust passages | Performing Operations; Transporting | 57 | Expired |
| US7942138B1 | Outboard motor with exhaust gas recirculation cooling | Emerging Cross-Sectional Technologies | 33 | Active |
| US7318396B1 | Cooling system for a marine propulsion engine | Mechanical Engineering; Lighting; Heating | 30 | Expired |
| US6821171B1 | Cooling system for a four cycle outboard engine | Mechanical Engineering; Lighting; Heating | 28 | Expired |
| US7264520B1 | Cooling system for an outboard motor having both open and closed loop portions | Mechanical Engineering; Lighting; Heating | 24 | Active |
| US8500501B1 | Outboard marine drive cooling system | Performing Operations; Transporting | 24 | Active |
| US8479691B1 | Method for cooling a four stroke marine engine with multiple path coolant flow through its cylinder head | Mechanical Engineering; Lighting; Heating | 23 | Active |
| US9616987B1 | Marine engines and exhaust systems for marine engines | Emerging Cross-Sectional Technologies | 22 | Active |
| US9828080B1 | Lockout for remote controls on marine vessels | Performing Operations; Transporting | 17 | Active |
| US8668538B1 | Marine engines and exhaust systems for marine engines having a catalyst for treating exhaust | Performing Operations; Transporting | 17 | Active |
| US8763566B1 | Apparatus for cooling an engine of a marine propulsion system | Mechanical Engineering; Lighting; Heating | 16 | Active |
| US8402930B1 | Method for cooling a four stroke marine engine with increased segregated heat removal from its exhaust manifold | Mechanical Engineering; Lighting; Heating | 16 | Active |
| US9174818B1 | Marine engines and exhaust systems for marine engines having a catalyst for treating exhaust | Emerging Cross-Sectional Technologies | 16 | Active |
| US7000584B1 | Thermally insulated cylinder liner | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US7021262B1 | Undercowl plenum chamber with preferential air paths | Emerging Cross-Sectional Technologies | 12 | Expired |
| US8783217B1 | Method for cooling a four stroke marine engine with increased segregated heat removal from its exhaust manifold | Mechanical Engineering; Lighting; Heating | 11 | Active |
| US9457881B1 | Outboard marine engines having a bedplate and cover assembly | Mechanical Engineering; Lighting; Heating | 10 | Active |
| US9903251B1 | Outboard motors and exhaust systems for outboard motors having an exhaust conduit supported inside the V-shape | Emerging Cross-Sectional Technologies | 10 | Active |
| US6883471B1 | Vortex enhanced cooling for an internal combustion engine | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US10507898B1 | Lockout for remote controls on marine vessels | Performing Operations; Transporting | 7 | Active |
| US7198019B1 | Lubricating system for a marine engine | Mechanical Engineering; Lighting; Heating | 7 | Expired |
| US9228455B1 | Outboard motors and marine engines having cam phaser arrangements | Mechanical Engineering; Lighting; Heating | 6 | Active |
| US6733352B1 | Electronically controlled cooling system for a marine propulsion engine | Mechanical Engineering; Lighting; Heating | 6 | Expired |
| US7892057B1 | Outboard motor with idle relief valve | Performing Operations; Transporting | 5 | Active |
| US9944374B1 | Outboard motors and oil pickup devices for outboard motors | Mechanical Engineering; Lighting; Heating | 5 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.