| Patents for B63H 1 - Propulsive elements directly acting on water (4,187) |
|---|
| 10/08/1985 | US4545771 Propeller |
| 08/07/1985 | EP0150730A2 Propeller bearing |
| 08/01/1985 | WO1985003270A1 A device in fluid pressure generators |
| 07/24/1985 | EP0148965A1 Arrangement of ship screw and guide wheel |
| 06/20/1985 | WO1985002594A1 Ring propeller |
| 06/06/1985 | WO1985002382A1 Method and apparatus for reducing vibration |
| 05/28/1985 | US4519746 Airfoil blade |
| 05/08/1985 | EP0140233A2 Folding blade propeller |
| 04/30/1985 | US4514146 Propeller for ship |
| 04/09/1985 | US4509899 Traversing blade-rotary propeller |
| 01/22/1985 | CA1181321A2 Water-going vessel |
| 12/27/1984 | EP0129103A1 Water sport apparatus in the form of a wheel |
| 12/25/1984 | US4490119 Boat propulsion apparatus |
| 11/21/1984 | EP0125799A1 Shape of a marine craft, in particular of a life-boat |
| 11/20/1984 | US4483268 Of a marine propulsion assembly |
| 11/14/1984 | EP0124720A1 Marine propeller driven by an electric motor, comprising a permanent magnet rotor shaped in the ring connecting the propeller blad tips |
| 11/13/1984 | US4482298 Weedless propeller |
| 10/24/1984 | EP0122726A1 Fluid contacting surfaces and devices incorporating such surfaces |
| 09/25/1984 | US4473358 Hydrofoil vessel |
| 09/18/1984 | US4472148 For a marine propulsion device |
| 08/14/1984 | US4465431 Overload protection apparatus for variable pitch propellers |
| 08/14/1984 | CA1172521A1 Folding boat propeller |
| 08/08/1984 | EP0115045A1 Underwater propeller having a shrouding ring attached to the blades and which ring contains the rotor of the electric driving motor |
| 08/07/1984 | US4464126 Finboard exercising apparatus |
| 07/31/1984 | CA1171739A1 Sailboat propeller |
| 07/18/1984 | EP0113472A1 Process for production of a propeller |
| 06/27/1984 | EP0111908A2 Electrically driven ship's propeller and its use |
| 05/01/1984 | US4445817 Propeller construction |
| 04/17/1984 | US4443202 Surface propeller mounting assembly for boats |
| 04/17/1984 | CA1165634A1 Bow-mounted propeller driven boat |
| 02/08/1984 | EP0100058A1 Method and apparatus for increasing efficiency of a propeller-driven vehicle |
| 01/24/1984 | US4427341 Side propellers for the propulsion of fast boats and aircraft |
| 01/03/1984 | US4424042 Propulsion system for an underwater vehicle |
| 11/29/1983 | US4417852 Marine propeller with replaceable blade sections |
| 10/25/1983 | CA1155718A1 Marine propulsion device including propeller shroud |
| 06/21/1983 | US4389196 Watercraft with swivel fin drive |
| 06/21/1983 | US4389195 Steerable surfboard |
| 06/14/1983 | CA1148122A1 Multi-purpose utility vehicle |
| 05/17/1983 | US4383829 Drive assembly for inboard speedboat |
| 05/04/1983 | EP0077931A2 Propeller propulsion for ships |
| 05/03/1983 | US4381901 Anti-cavitation marine propeller |
| 05/03/1983 | CA1145622A1 Marine propulsion device |
| 04/12/1983 | US4379701 Buoyant apparatus propelled by a human operator |
| 02/15/1983 | CA1141240A1 Duct combined with a ship's propeller having blade tip barrier plates |
| 02/01/1983 | US4371347 Wave motor, especially for propulsion of boats |
| 02/01/1983 | CA1140402A1 Boat motor exhaust system |
| 01/25/1983 | US4370096 Marine propeller |
| 12/21/1982 | US4364711 Folding boat propeller |
| 12/14/1982 | US4363409 Multi-purpose utility vehicle |
| 12/07/1982 | CA1136928A1 Symmetrical propeller |
| 10/12/1982 | US4353703 Nautical propulsion device |
| 09/14/1982 | US4349291 Apparatus for securing a wheel to a rotatable shaft of a turbomachine |
| 09/07/1982 | US4348195 Multiple step vented hull |
| 08/24/1982 | US4345903 Fin propulsion boat |
| 08/24/1982 | CA1130145A1 Wave motor, especially for propulsion of boats |
| 07/27/1982 | CA1128373A1 Extendable and retractable propeller for watercraft |
| 07/13/1982 | CA1127468A1 Marine propellers |
| 07/06/1982 | CA1127015A1 Marine propeller and propeller shaft assembly |
| 06/23/1982 | EP0054339A2 Hydrodynamic machine for high flow capacity |
| 06/15/1982 | CA1125483A1 Method and apparatus for securing a wheel to a rotatable shaft of a turbomachine and apparatus for securing a wheel to a rotatable shaft of a turbomachine |
| 06/01/1982 | US4332571 Wave motors |
| 05/25/1982 | US4331429 Symmetrical propeller |
| 04/13/1982 | US4324551 Bow-mounted propeller driven boat |
| 03/16/1982 | CA1119895A1 Multiple step vented hull |
| 03/09/1982 | US4318671 Efficiency ship propeller |
| 02/18/1982 | WO1982000495A1 Improvements to systems for generating power with bladings driven by the water speed |
| 01/26/1982 | CA1116959A1 Marine propeller |
| 01/12/1982 | US4310285 Folding propeller with rubber hub |
| 01/05/1982 | CA1115602A1 Wave motors |
| 12/22/1981 | US4306867 Apparatus for increasing the rearward propulsion of boat motors provided with reverse gears |
| 12/22/1981 | US4306839 Semi-tandem marine propeller |
| 12/08/1981 | US4304559 Marine propeller defouling device |
| 12/08/1981 | US4304558 Marine propulsion device including propeller shroud |
| 12/08/1981 | US4304555 Watercraft with swivel fin drive |
| 12/08/1981 | US4304524 Marine propellers |
| 12/01/1981 | CA1113312A2 Marine propeller fish line and weed cutter |
| 11/24/1981 | CA1112956A1 Marine propeller fish line and weed cutter |
| 11/03/1981 | CA1111715A1 Marine propeller fish line and weed cutter |
| 10/27/1981 | US4297079 Variable pitch marine propeller |
| 10/20/1981 | CA1110926A1 Folding propeller with rubber hub |
| 10/13/1981 | US4293996 Method for securing a wheel to a rotatable shaft |
| 10/06/1981 | US4293280 Transcavitating propeller |
| 09/08/1981 | US4288223 Tubular duct for a ship propeller |
| 09/01/1981 | US4286923 Overload protection device for a propeller drive engine |
| 08/25/1981 | US4285674 Float attachment for a bicycle |
| 07/21/1981 | US4279603 Flexible paddle wheel structure |
| 06/30/1981 | US4275991 Boat propeller |
| 06/09/1981 | CA1102632A1 Boat propeller |
| 05/26/1981 | US4269598 Vehicle transporter |
| 05/05/1981 | US4265626 Trimming device to control propeller forces affecting propeller driven boats |
| 04/28/1981 | US4264313 Floatable devices for aquatic sports |
| 04/28/1981 | US4264276 Water wheel for exerting flotation and propelling forces |
| 03/31/1981 | CA1098384A1 Screw propeller with no shaft boss and ship thruster using such screw propeller |
| 03/18/1981 | EP0025260A1 Variable pitch marine propeller |
| 03/03/1981 | US4253799 Side propellers for the propulsion of fast boats and aircraft |
| 01/06/1981 | US4242979 Screw propeller with no shaft boss and ship thruster using such screw propeller |
| 12/30/1980 | US4242049 Foldable propeller |
| 12/23/1980 | US4240251 Cavitation compensating propeller nozzle or duct |
| 12/02/1980 | US4236872 Marine propeller fish line and weed cutter |
| 11/25/1980 | US4235183 Marine propulsion device including propeller protection means |