| Patents for B63H 23 - Transmitting power from propulsion power plant to propulsive elements (3,809) |
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| 10/12/1993 | US5252875 Integral motor propulsor unit for water vehicles with plural electric motors driving a single propeller |
| 10/05/1993 | US5249995 Marine drive having two counter-rotating surfacing propellers and dual propeller shaft assembly |
| 09/30/1993 | WO1993018965A1 Through hull assemblies for marine drives |
| 09/16/1993 | DE4207532A1 Controller for electrical boat drive, e.g. for hired boats, - controls motor power according to manual controller and echo sounder and indicates battery charge |
| 09/14/1993 | US5244348 Propeller drive sleeve |
| 09/07/1993 | US5241875 Multiblock-robot |
| 09/07/1993 | CA1321928C Marine propulsion device with reversible shift apparatus |
| 09/07/1993 | CA1321927C Bearing arrangement for marine propulsion device reversing transmission |
| 09/02/1993 | WO1993017249A1 A thrust bearing of the michell type and a piston engine with such a bearing |
| 09/02/1993 | WO1993016916A1 A method for fitting a ship's propeller underwater |
| 08/19/1993 | WO1993015952A1 Propeller arrangement for a marine propulsion unit |
| 08/05/1993 | DE4239685A1 Gear change clutch for lightweight ship's drive - has positive locking torque transmission between primary and secondary parts of clutch |
| 08/03/1993 | US5231946 Monohull fast sealift or semi-planing monohull ship |
| 08/03/1993 | CA1320872C Propeller shaft bearing housing retention system |
| 08/03/1993 | CA1320871C Marine propulsion device with two piece propeller shaft assembly including spring clip for releasably preventing relative movement between propeller shaft pieces |
| 07/27/1993 | US5230644 Counter-rotating surfacing marine drive |
| 07/27/1993 | CA1320665C Marine drive lower unit with thrust bearing rotation control |
| 06/23/1993 | EP0547913A1 Propeller drive sleeve |
| 06/23/1993 | EP0547421A1 Multiblock-Robot |
| 06/23/1993 | CN1073505A Drive system of bionic machine |
| 06/15/1993 | US5220231 Integral motor propulsor unit for water vehicles |
| 06/15/1993 | CA1319051C Marine propeller drive system |
| 06/01/1993 | US5215486 Dual propeller out board assembly |
| 06/01/1993 | US5215413 Composite-to-metal shaft joint |
| 05/11/1993 | US5209684 Marine propulsion device |
| 05/11/1993 | US5209497 Sealing apparatus for rotating shafts, in particular stern tube seal for the propeller shafts of a ship |
| 04/27/1993 | US5205788 Torsional shock absorber with consecutive step-wise elastic resistance to relative rotation |
| 04/27/1993 | US5205653 Bearing assembly and submersible propulsor unit incorporating the same |
| 04/14/1993 | EP0536876A1 Electric power system for marine vehicles |
| 04/13/1993 | US5201679 Marine propeller with breakaway hub |
| 04/13/1993 | US5201238 Shifting device for an engine |
| 04/08/1993 | DE4228005A1 Anti-leakage seal for lubricant oil, in stern tube - has automatic open-closed valves on intake discharge side of oil feed circuit, and in discharge tube |
| 04/07/1993 | EP0535100A1 An arrangement in connection with a swingable turn-up inboard/outboard stern aggregate for a craft. |
| 04/06/1993 | US5199912 Electric power system for marine vehicles |
| 03/18/1993 | WO1993005317A1 Transmission device, especially for boat motors |
| 03/18/1993 | CA2116124A1 Transmission device, especially for boat motors |
| 03/16/1993 | CA1314440C Propeller device |
| 03/09/1993 | CA1314176C Marine propulsion device shift apparatus |
| 03/03/1993 | EP0529564A1 Propulsion unit for small watercraft |
| 03/02/1993 | CA1313977C Marine propulsion device ball clutch transmission |
| 02/24/1993 | EP0528219A2 Composite and fairwater structures for marine vessels |
| 02/18/1993 | WO1993002914A1 Control system for operating the drive assembly of a ship |
| 02/09/1993 | US5185545 Dual propeller shock resistant submersible propulsor unit |
| 02/04/1993 | DE4125432A1 Steuersystem zum betreiben einer antriebsanlage eines schiffes Control system for operating a drive system of a ship |
| 01/28/1993 | DE4113908A1 Combined rudder and drive for boat - hydraulically powered drive units mounted within rudder body |
| 01/21/1993 | WO1993001429A1 Rotational force enhancing device |
| 01/12/1993 | US5178566 Marine drive system with belt drive |
| 01/07/1993 | WO1993000529A1 Marine inboard transmission |
| 01/05/1993 | CA1312344C Stern tube seal device |
| 12/30/1992 | CN2126207U Air-intake shaft joint of tyre clutch |
| 12/23/1992 | CN1067300A Sealing device for rotating shafts, seal particularly suitable for propeller shaft-tube of ship |
| 12/22/1992 | CA1311657C Propeller drive arrangement for ship or the like |
| 12/16/1992 | EP0518392A2 Submersible propulser unit |
| 12/15/1992 | US5171176 Method and apparatus for decelerating a marine propulsion system during an emergency stop maneuver |
| 12/15/1992 | US5171170 Ship's drive with trolling device |
| 11/26/1992 | WO1992020573A1 Marine jet drive |
| 11/26/1992 | DE4117138A1 Sealing system for ship's propeller shaft - has emergency sealing system which operates if main system fails |
| 11/26/1992 | DE4117097A1 Abdichtungsvorrichtung fuer rotierende wellen, insbesondere stevenrohrabdichtung fuer schiffspropellerwellen Sealing device for rotating waves, especially steve tube seal for ship propeller shafts |
| 11/25/1992 | CN1019206B Cathodic corrosion-preventing device for sternshaft tube of ship |
| 11/04/1992 | EP0511772A2 Bearing assembly and submersible propulsor unit incorporating the same |
| 10/27/1992 | US5158030 Damped flexible seal |
| 10/21/1992 | EP0509712A1 Two-engine/one-shaft type vessel |
| 10/20/1992 | CA1308939C Lower gearcase shift mechanism for marine propulsion device |
| 10/13/1992 | US5154652 Drive shaft coupling |
| 09/30/1992 | EP0505429A1 Method and apparatus for power transmission to a surface driving propeller mechanism and use of a turbine between the driving engine and propeller mechanism. |
| 09/29/1992 | US5151059 Shiftable reversing transmission for marine propulsion device |
| 09/16/1992 | CN1018281B Extrudable multi-durometer hydrodynamic bearing and method of making same |
| 09/09/1992 | EP0502835A1 Propulsion apparatus for marine craft and method for the manufacture of such apparatus |
| 09/01/1992 | US5143455 Bearing sleeve with notched end |
| 08/25/1992 | US5141457 Propeller shaft fitting structure for a marine propulsion unit |
| 08/25/1992 | US5141374 Lock nut device |
| 08/13/1992 | DE4118282C1 Assembling or repairing plain bearing - has bush with conical bore glued by hardenable adhesive esp. 2-component epoxy] resin in support |
| 08/11/1992 | US5137116 Sealing device for a rotating shaft of a ship propeller shaft |
| 08/05/1992 | CN2111929U Water lubrication trailing axle sealing device |
| 07/16/1992 | DE4141241A1 Multi block robot system with current and data channels - features rotary flange plug connector and multi block housing which can function interchangeably as stator and rotor |
| 07/14/1992 | US5129343 Monohull fast ship |
| 07/09/1992 | WO1992011472A1 Marine reverse reduction gearbox |
| 06/30/1992 | US5125858 Retractable propulsor for boats |
| 05/26/1992 | US5117141 Disc rotors with permanent magnets for brushless DC motor |
| 05/26/1992 | US5116202 Impeller |
| 05/20/1992 | EP0485715A1 Process and device for decelerating a ship propulsion system, especially in an emergency stop |
| 05/07/1992 | DE4109622C1 Elastic shaft coupling with good damping characteristics - includes ring-shaped coupler fixed between ring flanges connected to drive and unit to be coupled, by vulcanisation |
| 05/06/1992 | CN2103512U Safety clutch for ship |
| 05/05/1992 | US5110312 Releasable roller clutch reversing transmission |
| 05/05/1992 | CA1299930C Drive shaft assembly for outboard motor |
| 04/28/1992 | US5108324 Drive system for a boat propeller |
| 04/16/1992 | WO1992006001A1 Outboard motor power takeoff |
| 04/02/1992 | DE4030711A1 Stator cover for e.g. for boat propeller unit - is made of fabric reinforced epoxy¨ resin sheet with dense abrasion resistant polymer backing bonded in position with epoxy¨ adhesive |
| 04/01/1992 | EP0478520A1 Hydraulic stern drive for boats |
| 04/01/1992 | EP0477725A1 Modular robot |
| 03/31/1992 | US5101128 System and method for cooling a submersible electric propulsor |
| 03/31/1992 | US5100350 Device for regulating the inclination angle of a surface propeller shaft line as to the water plane |
| 03/18/1992 | CN1059589A Sealing device for rotating shafts, especially stern tube sealing for ship propeller shafts |
| 03/10/1992 | US5094639 Propeller driving device of marine propulsion unit |
| 03/03/1992 | US5092800 Transmission positioning system |
| 02/06/1992 | WO1992001600A1 Propeller hub |
| 02/05/1992 | CN1015401B Seal for rotary shafts, especially for sterns tubes |
| 02/04/1992 | US5085302 Marine reverse reduction gearbox |
| 01/29/1992 | CN2094506U Rope protective device for tail axle sealing system |
| 01/15/1992 | EP0461190A4 Hydrofoil propulsion system |