Patents
Patents for B63H 19 - Effecting propulsion of vessels, not otherwise provided for (683)
09/1994
09/27/1994US5350966 Fluid forcing and acoustical interaction device
08/1994
08/03/1994EP0504221B1 A propulsion device for a watercraft
07/1994
07/13/1994EP0606194A2 Underwater propulsion method and apparatus
05/1994
05/11/1994WO1994010029A1 A device for extracting energy from moving water particles
05/10/1994CA2017718C Multi-bladed propulsion apparatus
03/1994
03/29/1994US5298818 Thrust generator
10/1993
10/05/1993US5249990 Method and apparatus for the propulsion of water vehicles
09/1993
09/29/1993EP0436688B1 Process and device for propelling watercraft
09/16/1993DE4229869C1 Pontoon anchoring system allowing movement between opposing river banks - uses variable length anchoring cable between pontoon and anchoring points on opposite river banks
06/1993
06/09/1993CN1072896A Bionic boat
06/03/1993DE4139544A1 Propulsion aiding device for ships with propellers - has ice cutter on front sides of ship and series of wheels attached outwards from main body which are raised and lowered on articulated arms
12/1992
12/08/1992CA2044131A1 Symmarine drive board
09/1992
09/23/1992EP0504221A1 A propulsion device for a watercraft.
09/02/1992EP0500970A1 Thrust generator
08/1992
08/27/1992DE4105318A1 Auxiliary propulsion drive for sailing yacht - uses electric motor coupled to battery recharged via IC engine, solar cells and wind or water powered turbine
06/1992
06/03/1992EP0487744A1 Underwater linear transport system
04/1992
04/02/1992WO1992005621A1 Thrust generator
01/1992
01/14/1992CA1294179C Ice breaker
12/1991
12/26/1991WO1991019621A1 Underwater linear transport system
07/1991
07/17/1991EP0436688A1 Process and device for propelling watercraft.
06/1991
06/13/1991WO1991008139A1 A propulsion device for a watercraft
05/1991
05/02/1991DE3936280A1 Aquaplane for stern of marine vessel - has adjustable mountings to generate thrust from stern wave of vessel
04/1991
04/09/1991US5006082 Actuating-device for small-type air-feeded water floaters
03/1991
03/06/1991CN1049634A Propulsion device of shipping vessels
02/1991
02/21/1991WO1991001915A1 Process and device for propelling watercraft
02/19/1991US4993349 Propulsion for boats consisting of jets of air drawn into a pair of longitudinal channels under the hull
02/19/1991US4993348 Apparatus for harvesting energy and other necessities of life at sea
02/07/1991DE3925387A1 Muscle powered propulsion system - generates jets of compressed air which are directed rearwards
12/1990
12/19/1990CN1047832A Method for increasing transport capacity of ships by using hydraulic machine
11/1990
11/29/1990DE3916902A1 Utilisation of power of sea waves aboard ship - involves set of hinge blades oscillated by action of waves
11/28/1990EP0399090A2 Float for hydraulic engineering works
11/21/1990CN2066081U Device directly using river and sea moving water energy
11/14/1990EP0315625B1 Propulsion for boats consisting of jets of air drawn into a pair of longitudinal channels under the hull
09/1990
09/11/1990US4955832 Vehicle propulsion system
08/1990
08/30/1990DE3905834A1 Drive device for boats, especially fishing boats
07/1990
07/17/1990US4941802 Multi-bladed propulsion apparatus
05/1990
05/15/1990CA1268998A1 Propulsion for boats consisting of jets of air drawn into a pair of longitudinal channels under the hull
05/10/1990DE4000328A1 Twin-keel ship - has water rams between keels, driving hydraulic pumps supplying generator-driving motors
02/1990
02/21/1990CN1006877B Pole propulsion device of a boat and the engineering boat thereof
11/1989
11/15/1989EP0225363B1 Propulsion of ships
09/1989
09/13/1989CN1035549A Oscillation-converting mode of full-automatic self-propelled vehicle
06/1989
06/27/1989US4842560 Wave powered propulsion system for watercraft
05/1989
05/17/1989EP0315625A1 Propulsion for boats consisting of jets of air drawn into a pair of longitudinal channels under the hull.
01/1989
01/31/1989US4800831 Ice breaker
10/1988
10/26/1988CN86202413U Air-pocket type propeller for aquatic sports
10/20/1988DE3710809A1 Gas jet backflow nozzle
03/1988
03/09/1988CN86105471A Pole propulsion device of a boat and the engineering boat thereof
02/1988
02/16/1988CA1232796A1 Propulsion system for a water-borne vessel
02/11/1988WO1988000903A1 Propulsion for boats consisting of jets of air drawn into a pair of longitudinal channels under the hull
01/1988
01/13/1988EP0252733A1 A propulsion system for a water borne vessel
12/1987
12/22/1987US4713896 Inshore submersible amphibious machines
10/1987
10/01/1987DE3610520A1 Propulsion system for floating bodies
08/1987
08/04/1987US4684350 Wave-propelled marine vessel
07/1987
07/30/1987WO1987004401A1 Wave energy devices
03/1987
03/12/1987EP0205432A4 Propulsion apparatus.
01/1987
01/15/1987DE3524616A1 Water vehicle
12/1986
12/30/1986EP0205432A1 Propulsion apparatus
12/04/1986WO1986007029A1 Propulsion of ships
11/1986
11/05/1986EP0199725A1 Boat powered by sea waves
05/1986
05/22/1986WO1986002903A1 Boat powered by sea waves
08/1985
08/29/1985WO1985003743A1 Propulsion apparatus
11/1984
11/06/1984US4481002 Boat powered by sea waves
08/1983
08/09/1983US4397370 Surf service vehicle
02/1983
02/01/1983US4371347 Wave motor, especially for propulsion of boats
08/1982
08/24/1982CA1130145A1 Wave motor, especially for propulsion of boats
08/10/1982US4343098 Apparatus for mining nodules beneath the sea
08/03/1982US4342164 Counterbalancing hydraulic system
06/1982
06/29/1982US4337052 Wave energy propelling marine ship
06/15/1982US4334873 Iceberg propulsion system
06/01/1982US4332571 Wave motors
01/1982
01/05/1982CA1115602A1 Wave motors
02/1981
02/11/1981EP0023501A1 Device for exploiting the wave energy of lakes and seas
11/1980
11/11/1980CA1089500A1 Method of exploitation of a nodule deposit on a sea floor and a device for carrying out said method
11/04/1980US4231171 Method and apparatus for mining nodules from beneath the sea
08/1980
08/21/1980WO1980001674A1 Device for exploiting the wave energy of lakes and seas
06/1979
06/05/1979US4157229 Under-ice traveling shelter system
03/1979
03/06/1979US4142818 Device for travelling along the basin and sea bottom
01/1978
01/31/1978US4070982 Cylinder-driven marine propulsion system
07/1977
07/05/1977US4033056 Spud guide means in a dredging vessel
06/1977
06/21/1977US4030305 Method of moving a floating body into a predetermined float path
09/1976
09/07/1976US3978814 Air nozzle controlled marine propulsion system
03/1976
03/09/1976US3942465 Vehicle adapted to be advanced in a fluid
01/1976
01/06/1976US3930450 Boat ride for amusement park
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