| Patents for B63H 23 - Transmitting power from propulsion power plant to propulsive elements (3,809) |
|---|
| 01/14/1992 | US5080032 Monohull fast sealift or semi-planing monohull ship |
| 01/08/1992 | EP0465446A1 Lock nut device |
| 01/07/1992 | US5078628 Marine propulsor |
| 01/03/1992 | CA2046011A1 Lock nut device |
| 12/31/1991 | US5076113 Shifting device for marine propulsion unit |
| 12/27/1991 | EP0462685A1 Ship propulsion with trolling device |
| 12/26/1991 | WO1991019644A1 An arrangement in connection with a swingable turn-up inboard/outboard stern aggregate for a craft |
| 12/26/1991 | WO1991019643A1 Marine drive system with belt drive |
| 12/18/1991 | EP0461190A1 Hydrofoil propulsion system. |
| 12/17/1991 | US5072629 Shift assisting system |
| 12/11/1991 | CN1056926A Sealing device for rotating shaft, particuturly suitable for shaft-tube sealing for marine propeller shaft |
| 12/10/1991 | US5071376 Apparatus for emergency enablement of a disabled boat propeller |
| 12/05/1991 | DE4017301A1 Electric propulsion drive for floating air-bed mattress - has battery-operated electric motor rotating paddle wheels on opposite sides of mattress |
| 12/04/1991 | CN2089913U Tyre of tyre clutch |
| 11/19/1991 | US5066255 Drive arrangement for a planing boat |
| 11/19/1991 | CA2040388A1 Bevel gear assembly |
| 11/15/1991 | CA2041967A1 Releasable roller clutch reversing transmission |
| 10/22/1991 | US5059144 Ahead/astern shifting device for marine propulsion unit |
| 10/17/1991 | CA2037435A1 Marine propulsion device |
| 10/16/1991 | CN2086722U Chain gear box for small-size ships |
| 10/10/1991 | CA2036931A1 Shiftable reversing transmission for marine propulsion device |
| 10/09/1991 | EP0450507A1 Device for regulating the inclination angle of a surface propeller shaft line as to the water plane |
| 10/01/1991 | US5052959 Marine propulsion device bearing arrangement |
| 09/24/1991 | US5051102 Astern-ahead switching device for marine propulsion unit |
| 09/24/1991 | US5050461 Assist device for shift operation of marine propulsion system |
| 09/17/1991 | US5049034 Propeller hub assembly |
| 09/10/1991 | CA1288642C Marine drive lower unit with sequentially loaded multiple thrust bearings |
| 07/30/1991 | US5035664 Marine propulsion device gear arrangement |
| 07/30/1991 | US5035663 Marine propulsion device retention mechanism |
| 07/23/1991 | US5033983 Marine propulsion device shift linkage |
| 07/23/1991 | US5033871 Extrudable multi-rigidity hydrodynamic bearing and method of making the same |
| 07/16/1991 | US5031741 Synchronous coupling with locking means |
| 07/09/1991 | US5030150 Splash guard assembly |
| 07/09/1991 | US5030149 Power transmission arrangement for contra-rotating propeller shafts |
| 06/18/1991 | US5024639 "Z" type steerable balanced power transmission |
| 06/14/1991 | WO1991008946A1 Method and apparatus for power transmission to a surface driving propeller mechanism and use of a turbine between the driving engine and propeller mechanism |
| 06/11/1991 | US5022876 Transmission means |
| 06/11/1991 | US5022875 Marine propeller locking tab washer |
| 05/28/1991 | US5018999 Propeller driving device of marine propulsion unit |
| 05/28/1991 | US5018996 Flow control fluid coupling marine transmission |
| 05/02/1991 | WO1991005695A1 Monohull fast sealift or semi-planing monohull ship |
| 05/02/1991 | DE3935754A1 Drive for mobile offshore installation - has ducted impeller with integral rotor inside shaped duct |
| 04/09/1991 | US5006085 Marine propulsion device with removable clutch assembly |
| 04/09/1991 | US5006084 Shift device for marine propulsion |
| 04/09/1991 | CA1282816C Propeller shaft bearing arrangement |
| 04/02/1991 | US5004962 Automatic motor synchronizer |
| 03/28/1991 | DE3930686A1 Cathodic protection of ship parts - with sacrificial anode held in cage clamped between parts to avoid loosening of anode and possible disconnection |
| 03/27/1991 | EP0418599A1 Power transmission arrangement for contra-rotating propeller shafts |
| 03/27/1991 | CN1050228A Device for corrosion protection of shaft-tube seal |
| 03/19/1991 | US5000708 Propeller driving system for marine propulsion unit |
| 02/27/1991 | CN1049533A Cathodic protecting device for inhibiting corrossion of metal surface, preferable, sealing unit of shaft tube of ship, in liquid electrolyte, preferable in seawater |
| 02/20/1991 | CN1011731B Safety device of seal construction for shaft particularly adapted for shaft-tube of ship's propulsion system |
| 02/19/1991 | US4993848 Thrust bearing system for counter-rotating propeller shafts, particularly ships propeller shafts |
| 02/19/1991 | US4993151 Method of making an easily removed marine propeller |
| 02/12/1991 | US4992066 Marine motor transmission |
| 02/07/1991 | DE3925414A1 Ship propulsion system - uses variety of gear reduction systems to reduce rotational speed of propellers to increase energy efficiency by reducing turbulence |
| 02/05/1991 | US4990112 Power transmitting device for marine propulsion unit |
| 01/31/1991 | DE3924270A1 Seal for marine vessel stern bush seals - consists of two sealing rings with grooves and annular chamber |
| 01/22/1991 | US4986783 Outboard motor power takeoff |
| 01/22/1991 | US4986775 Propeller shaft bidirectional thrust bearing system |
| 01/22/1991 | US4986774 Desmodromic shift adaptor for a counter-rotating propeller shaft assembly |
| 01/16/1991 | EP0407630A1 Propulsion for hydrofoils |
| 01/16/1991 | EP0407424A1 Marine drive lower unit with thrust bearing rotation control |
| 01/15/1991 | US4984811 Pressure control system for stern tube seals |
| 01/09/1991 | CN1011159B Sealing for shaft, particularly suitable for shaft seal assembly for shaft lute of ship |
| 12/27/1990 | EP0403513A1 Marine drive lower unit with sequentially loaded multiple thrust bearings |
| 12/26/1990 | CN2068081U Gear box for ship |
| 12/20/1990 | DE3919270A1 Resilient mounting for ship's propeller shaft - incorporates of housing filled with synthetic resin |
| 12/12/1990 | CN1010797B Sealing structure for propeller shaft in ship |
| 12/06/1990 | DE3917581A1 Vibration redn. for drive shaft - has oil chambers around shaft circumference impinged with oil pressure |
| 11/27/1990 | US4973274 Shift assisting device |
| 11/20/1990 | US4971585 Marine propulsion device seal arrangement |
| 11/14/1990 | CN2065602U Gear box for ship |
| 11/13/1990 | US4969370 Bearing structure for intermediate transmission shaft in vessel propulsion machine |
| 10/16/1990 | US4962718 Hydrofoil propulsion system |
| 10/03/1990 | EP0389979A2 Z-type stearable balanced power transmission |
| 09/08/1990 | WO1990010572A1 Hydrofoil propulsion system |
| 09/08/1990 | CA2047716A1 Hydrofoil propulsion system |
| 09/04/1990 | CA1273532A1 Line cutting device |
| 08/14/1990 | US4948384 Marine propulsion device anode arrangement |
| 08/08/1990 | EP0380539A1 Improved retractable propulsor for boats |
| 08/07/1990 | US4946410 Marine propulsion device with improved oil seal protection device |
| 08/01/1990 | CN2059907U Spheric reversing tail shaft |
| 07/24/1990 | CA1271946A1 Marine propulsion device hydraulic system |
| 07/10/1990 | US4940436 Marine drive system with inboard mounted engine and depending drive unit |
| 07/03/1990 | US4938724 Line cutting device |
| 07/03/1990 | US4938723 Fabricated elastic coupling for use in inboard/outboard engine |
| 06/27/1990 | EP0374363A1 Lockable synchronous clutch |
| 06/26/1990 | US4936593 Shaft seal |
| 06/12/1990 | US4932907 Chain driven marine propulsion system with steerable gearcase and dual counterrotating propellers |
| 06/12/1990 | US4932795 Electrically conductive plastic bushings for marine propulsion devices |
| 05/29/1990 | US4929204 Water entry preventing structure for inboard/outboard motor |
| 05/29/1990 | US4929203 Marine propeller drive system |
| 05/16/1990 | CN1042222A Extrudable multi-durometer hydrodynamic bearing and method of making the same |
| 05/15/1990 | US4925413 Stern drive marine propulsion system including a chain drive mechanism |
| 05/15/1990 | US4925409 Torsional damper for marine drive unit |
| 05/15/1990 | US4925369 Easily removed marine propeller |
| 05/08/1990 | US4923417 Propeller housing retainer for marine propulsion device |
| 05/02/1990 | EP0365761A1 Multi-hardness hydrodynamic bearing and method of making the same including extrusion |
| 05/02/1990 | EP0281565B1 Line cutting device for mounting around a propeller shaft |