Patents
Patents for B63H 11 - Effecting propulsion by jets, i.e. reaction principle (3,225)
03/1994
03/29/1994US5298818 Thrust generator
03/23/1994EP0460144B1 Process for operating a water-jet drive for water craft and arrangement for implementing the process
03/22/1994US5295568 Passenger conveyor and treadboard construction for passenger conveyor
03/05/1994CA2077600A1 Trim control for watercraft
03/01/1994US5289793 Heliconic thruster system for a marine vessel
02/1994
02/08/1994US5284106 Superconducting electromagnetic torpedo launcher
02/02/1994EP0429640B1 Water jet propulsion module
01/1994
01/25/1994US5281177 Foiled grating for jet watercraft
01/11/1994US5277631 Vane arrangement for a water jet propulsion assembly
01/05/1994EP0438561B1 Integrated propulsion and hydrafoil system
12/1993
12/28/1993US5273467 Marine apparatus for a motor
12/07/1993US5267883 Internal water-jet boat propulsion system
11/1993
11/30/1993US5266009 Impeller structure for water jet propelled boat
11/30/1993US5265549 Hydro-propelled ship
11/24/1993EP0570561A1 Hydrojet
11/16/1993US5261841 Control for jet propulsion unit of watercraft
11/10/1993CN2145757Y Ship's jet-propeller
10/1993
10/28/1993WO1993021063A1 Heliconic thruster system for a marine vessel
10/27/1993EP0566787A1 Dual propeller shock resistant submersible propulsor unit
10/26/1993US5256090 Variable-aperture jet nozzle for jet-propelled watercraft
10/26/1993US5256089 Water jet propulsion unit
10/19/1993US5254024 Rotatable jet propulsion unit for watercraft
10/19/1993US5254023 Water jet propulsion unit
10/05/1993US5249990 Method and apparatus for the propulsion of water vehicles
09/1993
09/30/1993WO1993018964A1 Swivelling nozzle with steering flaps for a hydrojet boat
09/30/1993DE4209393A1 Schwenkdüse mit Steuerklappen für einen Wasserstrahl-Bootsantrieb Swiveling nozzle with control valve for a water jet propulsion boat
09/29/1993EP0436688B1 Process and device for propelling watercraft
09/21/1993US5246392 Stern drive system with anti-rotation brace
09/14/1993US5244425 Water injection propulsion unit
09/02/1993WO1993016915A1 Marine tunnel propeller jet propulsion unit
09/02/1993CA2131008A1 Marine tunnel propeller jet propulsion unit
08/1993
08/31/1993US5240444 Water jet propulsion boat
08/31/1993US5240443 Jet propelled boat
08/31/1993US5239821 Underwater turbojet engine
08/17/1993US5236379 Personal watercraft gullet
08/10/1993US5234364 Exhaust system for small planing boat
08/10/1993US5234361 Foiled grating for jet watercraft
08/03/1993US5232384 Motion drive of marine underwater/abovewater ship
07/1993
07/06/1993US5224887 Screen for watercraft jet propulsion unit
06/1993
06/24/1993WO1993011998A1 Hydrojet
06/24/1993WO1993011994A1 Watercraft driving arrangement, in particular for a pneumatic boat
06/24/1993DE4141815A1 Anordnung fuer den antrieb eines wasserfahrzeuges, insbesondere eines schlauchbootes Arrangement for the drive of a watercraft, especially an inflatable boat
06/17/1993DE4141491A1 Double hull for marine vessel - has profiled underwater hulls for reduced drag and with mounting space for propulsion units
06/17/1993DE4140881A1 Wasserstrahlantrieb Water jet propulsion
06/15/1993US5218918 Convertible powerboat
06/01/1993US5215483 High speed sea train
05/1993
05/25/1993US5213526 Support assembly for marine propulsion unit
05/13/1993WO1993009024A1 Personal watercraft gullet
05/11/1993US5209683 Removable jet propulsion unit for watercraft
04/1993
04/27/1993US5205767 Propelling system suitable for use on watercraft
04/20/1993US5203728 Watercraft with a couple of water jet propulsion units
04/06/1993US5199913 Small, jet-propelled boat
03/1993
03/23/1993US5195447 Personal water craft race starting device
03/09/1993US5192191 Propeller vane structure for marine propulsion unit
02/1993
02/17/1993EP0527251A1 Water jet propulsion apparatus
02/17/1993EP0527250A1 Water jet propulsion apparatus
02/11/1993DE4126257A1 Vessel propulsion, especially for model boats - by heating a water filled tank, expanding forces drives water through a pipe to produce a drive force
02/09/1993US5185545 Dual propeller shock resistant submersible propulsor unit
02/09/1993US5184966 Adjustable jet propulsion unit for watercraft
01/1993
01/26/1993US5181868 Jet propulsion device for watercraft, aircraft, and circulating pumps
01/05/1993US5176548 Ride plate for personal watercraft
01/05/1993US5176547 Water jet propulsion unit
12/1992
12/01/1992US5167547 Rudder for watercraft
11/1992
11/26/1992WO1992020573A1 Marine jet drive
11/19/1992EP0514123A1 Jet propulsion unit
11/12/1992WO1992019495A1 Orientable water jet propulsion device
11/12/1992DE4114731A1 Ship propulsion system using internal pipe - mixes water with compressed air to generate flow through pipe
10/1992
10/15/1992WO1992017366A1 Monohull fast ship
10/13/1992US5154650 Water jet propulsion unit
10/07/1992EP0506936A1 Steering and reversing system for a marine jet propulsion unit.
10/06/1992US5152704 Water jet propulsion unit
10/01/1992WO1992016410A1 Enhanced ride plate and steering apparatus for jet drive watercraft
09/1992
09/29/1992US5151057 Water jet propulsion boat
09/29/1992US5150663 Signal device for small boat
09/15/1992US5146865 Water-jet propulsion system for ships which are intended to be used in shallow waters
09/08/1992US5145426 Multi jet propelled watercraft
09/02/1992EP0500970A1 Thrust generator
08/1992
08/27/1992DE4105755A1 Water jet propulsion for narrow hull boat - has adjustable thruster in side of hull and operates without flow control vanes
08/05/1992CN2111927U Small yacht driven by air flow in water
07/1992
07/23/1992WO1992012048A1 Improved hollow jet propulsion device
07/22/1992CN1062875A Boat driven by jet water
07/14/1992US5129343 Monohull fast ship
06/1992
06/23/1992US5123867 Marine jet propulsion unit
05/1992
05/20/1992EP0485745A2 Water jet propulsion boat
05/19/1992US5114368 Shaft shielding top loader
05/14/1992WO1992007754A1 Steering and reversing system for a marine jet propulsion unit
05/05/1992US5110047 Vane-type nozzle(s) for varying the magnitude and direction of a thrust vector, and methods of operating same
04/1992
04/28/1992US5108257 Impeller for turbo pump for water jet propulsion machinery, and turbo pump including same impeller
04/22/1992CN1060442A Apparatus for fast stopping ship and apparatus under ship for jetting driving
04/02/1992WO1992005621A1 Thrust generator
03/1992
03/12/1992DE4028687A1 Water jet propulsion system for boats - combines all drive and control systems in single, removable housing
03/10/1992US5094182 Enhanced ride plate and steering apparatus for jet drive watercraft
03/04/1992EP0472832A2 Intake grating for water-jet propelled boats
03/04/1992EP0363412B1 Jet propulsion assembly for ships
02/1992
02/25/1992US5090347 Variable speed trolling apparatus
02/11/1992US5087215 Ocean-going vessel and method for increasing the speed
01/1992
01/31/1992CA2044350A1 Device used in jet-propelled gliding boats for preventing floating obstacles from being drawn in
01/29/1992EP0468466A1 Water jet propulsion boat
01/21/1992CA2047110A1 Exhaust muffler for engines
01/15/1992EP0465908A1 Water drawing and guiding device for jet-propelled gliding boats
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