Patents
Patents for B63H 5 - Arrangements on vessels of propulsion elements directly acting on water (3,934)
10/1988
10/11/1988US4776818 Automatic trim control system for multiple drive boats
10/11/1988US4776755 For operating in ice-filled waters
09/1988
09/14/1988EP0281565A1 Line cutting device for mounting around a propeller shaft.
08/1988
08/30/1988US4767269 Rotor system, particularly a boat propeller system
08/10/1988CN87103815B Steamlined ship with w-type tunnel body
07/1988
07/27/1988CN85103966B Ship propulsion apparatus
07/14/1988WO1988005009A1 Torque equalizer for contrarotary shafts
06/1988
06/30/1988DE3642914A1 Watercraft
06/21/1988US4752256 Boat propulsion device
06/14/1988CA1237951A1 Arrangement for fitting a propeller assembly to an opening in a bottom structure of a water-craft and for dismantling the assembly therefrom
06/14/1988CA1237950A1 Propeller assembly
06/08/1988EP0270373A2 A water craft, a paddle wheel for propelling a craft upon water, a floating harvester and a harvester of the type including a cable means which is rotated about its longitudinal axis for winding plant growth thereon
06/07/1988US4748864 Marine reversing gear assembly
06/01/1988EP0269272A1 Propulsion system for vessels
05/1988
05/24/1988US4746314 Combined propulsion and steering system for a motor boat with an inboard engine
05/18/1988EP0267372A1 Shape of the stern of a vessel
05/04/1988EP0265645A1 Water-guiding surfaces
05/04/1988CN87204866U Simple compensating guid tube for propeller of ship
05/03/1988US4741670 Propeller combination for a boat propeller unit
04/1988
04/21/1988WO1988002719A1 Boat propeller
03/1988
03/30/1988CN87105375A 船舶 Shipping
03/23/1988CN87105881A Ship having stern and method of operating the ship
03/23/1988CN87105327A Vessel
03/22/1988US4732104 Bow thruster
03/22/1988US4732101 Stern apron for ice breakers
03/17/1988DE3630239A1 Ship with a bow bottom sensor
03/16/1988EP0259680A1 Ship with a propeller at the stern and method to propel the ship
03/15/1988US4730571 Pontoon boat
03/01/1988US4728308 Power train for a boat
02/1988
02/25/1988DE3628252A1 Nozzle propulsion for ships
02/23/1988US4726796 Driving and steering mechanism for boats
02/23/1988CA1233219A1 System for controlling rotation of rotary mechanism in z-type propulsion apparatus
02/18/1988DE3718222A1 Watercraft drive unit arranged to be pivotable, in particular for motor and sailing yachts and amphibious craft
02/03/1988EP0254959A1 Vessel with a single screw hull
02/02/1988US4722667 Rope and fish net guard
01/1988
01/12/1988US4718871 Aquatic growth cutter
01/07/1988EP0251995A2 Naval propulsion plant with hydraulic transmission
01/07/1988EP0250457A1 Outboard boat propulsion installation
01/05/1988CA1231008A1 Marine contra-rotating propeller apparatus
12/1987
12/30/1987CN87103726A The streamlined open-water ship body for the discharge type ship
12/23/1987CN87103815A Streamlined ship with w-type tunnel body
12/15/1987CA1230395A1 Trim indicator for boats with outboard propeller drive units
11/1987
11/25/1987EP0246609A1 Counter-rotating propellers
11/11/1987CN87103246A Propeller device for a vessel
11/11/1987CN86108092A Combined energy-saving equipment with flow-guide hood and thrust fins for ships
11/05/1987DE3713993A1 Propelleranlage fuer ein wasserfahrzeug Propeller system for a watercraft
10/1987
10/06/1987US4698036 Propeller drive for boats
09/1987
09/30/1987EP0152417B1 Self-propelled waterborne vessel
09/29/1987US4696651 Apparatus for a ship's propeller
09/29/1987US4696650 Arrangement for fitting a propeller assembly to an opening in a bottom structure of a watercraft and for dismantling the assembly therefrom
09/22/1987US4694645 Propeller assembly
09/17/1987DE3607942A1 Ship with at least one propeller
09/02/1987EP0234992A1 Thrust nozzle for a ship's propeller
08/1987
08/25/1987US4689026 Propeller tunnel baffle and method
08/11/1987US4685889 Propeller driven tunnel boat
07/1987
07/16/1987DE3600513A1 Wind-driven ship
07/14/1987US4680017 Motorboat propeller guard for improved performance
07/02/1987WO1987003856A1 Line cutting device
06/1987
06/30/1987US4676758 Combined cutter and bypass for propeller
05/1987
05/26/1987US4668197 Retractable auxiliary and emergency propulsion device for small craft
05/26/1987US4668196 Manually powered boat
05/19/1987US4666411 For a propeller fluid drive
05/14/1987DE3539695A1 Single-engined propuslion for two marine screw propellers
05/13/1987EP0221443A1 Method and arrangement for decreasing the rotational resistance of a ship's propeller
05/13/1987CN86106213A Ship with at least two propelling screws
04/1987
04/28/1987US4661075 Self-propelled waterborne vessel
04/23/1987WO1987002325A1 Outboard boat propulsion installation
04/22/1987EP0219463A1 A combined propulsion and steering system for a motor boat with an inboard engine
04/22/1987EP0219145A1 Ship with at least two propelling screws
04/14/1987CA1220387A1 Means for mounting a thruster propeller unit
04/02/1987DE3620540A1 Device for increasing the efficiency of ships' propellers
03/1987
03/25/1987EP0215758A1 Propeller combination for a boat propeller unit
03/25/1987CN86106368A Ship bottom bilge turbopropeller
03/24/1987US4652878 Trim indicator for boats with outboard propeller drive units
03/24/1987US4652245 Shallow draft boat
03/12/1987WO1987001350A1 Propeller tunnel baffle and method
03/10/1987US4648788 Device in fluid pressure generators
02/1987
02/24/1987US4645464 Steering and tilting means for marine propulsion device
02/24/1987US4645463 Marine outdrive apparatus
02/18/1987CN86105134A Turnable propeller device
02/10/1987US4642059 Marine contra-rotating propeller apparatus
01/1987
01/28/1987EP0209744A1 Stern cover for ships cutting ice
01/20/1987US4637801 Thrust enhancing propeller duct assembly for water craft
01/13/1987US4636701 System for controlling rotation of rotary mechanism in Z-type propulsion apparatus
01/13/1987CA1216477A1 Rotor device
01/08/1987DE3524247A1 Tubular-shaft system for shipbuilding
01/07/1987CN86103983A Water guiding device effecting inlet currency of ship propeller
01/06/1987US4634389 Vessel having demountable submerged propeller unit
12/1986
12/23/1986US4631036 Stern fin for single-prop ship
12/16/1986CA1215275A1 Marine propeller duct
12/16/1986CA1215274A1 Propeller drive for boats
11/1986
11/20/1986EP0201705A1 Water-circulating device, especially in a tunnel for hydrodynamic tests
11/20/1986EP0201500A1 A device in fluid pressure generators.
11/19/1986CN85103966A Ship propulsion apparatus
11/18/1986CA1214078A1 Inboard outboard drive
11/11/1986US4622016 Tunnel wedge
10/1986
10/28/1986US4619584 Double propeller drive for boats
10/07/1986CA1212278A1 Propeller device for a ship
09/1986
09/23/1986CA1211658A1 Propeller drive unit for boats
09/02/1986US4609361 Fish line and weed cutter for marine propeller
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