Matches 451 - 500 out of 518 < 1 2 3 4 5 6 7 8 9 10 11 >
Match Document Document Title
3763817 TOW-CRAFT FOR SWIMMER  
A tow-craft for towing a swimmer through the water which includes a buoyant housing and a drive assembly carried by the housing including a gasoline engine mounted in the housing and drivingly...
3750615 OUTBOARD MOTOR NOISE ISOLATION SYSTEM  
Disclosed herein is an outboard motor comprising a propulsion unit including a drive shaft housing rigidly connected to and supporting a power head, a gear case rigidly connected to the bottom of...
3745962 MOTORIZED SKI TOWING UNIT  
A motorized ski towing unit operated directly by the water-skier to enable a water-skier to be self-propelled. The apparatus consists of an outboard type motor mounted in a flotation unit, with...
3745964 RACING LOWER UNIT  
Disclosed herein is a marine propulsion device comprising a lower unit including exhaust gas discharge means located in the lower unit for discharging gas, during forward travel, into the area in...
3742895 PROPULSION DEVICE FOR BOATS  
A propulsion device for boats wherein a boxlike housing is mounted on the transom of a boat; the bottom of the boxlike housing defines an inclined cavity having an inverted U-shaped cross section...
3692006 MULTI-CYLINDER PULSE CHARGING SYSTEM  
Disclosed herein is a marine propulsion device comprising an engine having at least three cylinders each with an exhaust port, means for establishing a sequential firing order for said cylinders,...
3659547 EXHAUST SYSTEM FOR TUNNEL STERN BOAT  
In a tunnel stern boat having a propeller in the tunnel and a spray plate and rudder aft of the tunnel, the exhaust from an inboard engine is piped to a transom opening from which it is guided...
3631671 EXHAUST SYSTEM FOR MARINE OUTDRIVE  
A marine outdrive unit is provided which includes an exhaust system in which there is proper cooling of the exhaust gases and in which an easy connection to the prime mover can be made....
3623447 POWERED AQUATIC VEHICLE  
A low-draft hydroplanelike vehicle having a hull of stable design that is power driven by a jet of water, the direction of which jet may be varied by the operator to steer the vehicle. The jet of...
3577952 EXHAUST SYSTEM OF PROPELLER FOR SHIPS  
An exhaust tube is mounted in an exhaust pipe connected to the exhaust port of the engine of a propeller apparatus. A deflector member defining obliquely radially extending channels and having a...
3576172 DIRECTIONAL FLOW EXHAUST REGULATOR WITH FLUID CONTROL  
An exhaust system for an internal combustion engine in a boat having a first conduit through which gases are exhausted into the atmosphere, said first conduit communicating with a second conduit...
3552121 MEANS FOR PREVENTING REVERSE WATER FLOW THROUGH EXHAUST PIPE OF A ROTARY PISTON TYPE MARINE ENGINE  
3548778 SELF-PROPELLED SURFBOARD  
3537419 MARINE ENGINE EXHAUST SYSTEM  
3520270 TUNED EXHAUST GAS SYSTEM FOR OUTBOARD MOTOR  
3493081 OUTBOARD PROPULSION APPARATUS  
3467051 EXHAUST SYSTEM FOR MARINE PROPULSION DEVICE  
3465706 APPARATUS FOR INJECTING FRESH AIR INTO OUTBOARD MOTOR UNDERWATER EXHAUST  
3463115 SHIP PROPULSION SYSTEM  
3452704 ENGINE MOUNTED ON A GIMBAL-LIKE FRAME  
3434447 PROPELLER-DRIVEN WATERCRAFT  
3431882 MARINE PROPULSION DEVICE  
3371645 Directional flow exhaust regulator  
3356151 Marine propeller  
3350879 Insulated outboard motor housing  
3342032 Jet propulsion means for a boat  
3324819 Power actuated swim apparatus  
3324533 Method of making water jacketed exhaust manifold  
3324822 Motorized surfboard  
3323481 Swimming appliances  
3310022 Exhaust system for outboard motors  
3296997 Exhaust and muffling system for marine engines  
3285711 Inert flue gas system  
3282373 Outboard motor trolling muffler  
3279415 Marine propeller for discharging engine exhaust through the propeller hub  
3262413 Motorized surfboard  
3246698 Diffuser-pump for marine propulsion propeller hub exhaust  
3223067 Underboard-engined boats and propulsion means therefor  
3221493 Exhaust gas system for internal combustion engines  
3217696 Thermoelectric generator for internal combustion engine  
3211119 Marine vehicle with outboard propulsion unit hydrofoil exhaust  
3209534 Outboard motor exhaust system  
3206836 Method of manufacturing water cooled exhaust manifolds  
3198162 Engine  
3194205 Propulsion system for small boats  
3190254 Outboard to inboard conversion unit  
3182629 Drive unit for boats  
3181494 Stern drive unit assembly  
3181495 Coolant supply and exhaust discharge means for inboard-outboard drives  
3162171 Underwater exhaust  
Matches 451 - 500 out of 518 < 1 2 3 4 5 6 7 8 9 10 11 >