| Patents for B63H 3 - Propeller-blade pitch changing (787) |
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| 04/21/1988 | WO1988002719A1 Boat propeller |
| 03/15/1988 | CA1234017A1 Method and apparatus for reducing vibration |
| 03/10/1988 | WO1988001588A1 Reversible and self-adjusting propeller device |
| 03/09/1988 | EP0258706A1 Anti-fouling method and device for variable-pitch propeller rods for water craft |
| 09/15/1987 | US4693671 Reversible self-adjusting propeller device |
| 09/08/1987 | US4692097 Propeller with removable and adjustable blades |
| 08/19/1987 | EP0232358A1 Control system for propeller with controllable pitch. |
| 08/12/1987 | EP0231503A1 Adjustable-pitch propeller for the propulsion of a vessel |
| 07/08/1987 | EP0089960B1 A method of controlling the propulsion machinery in a ship having a variable-pitch propeller |
| 06/09/1987 | US4671736 Apparatus for the control of an aerial propeller |
| 06/02/1987 | US4669264 Apparatus and method for load control of an engine |
| 03/25/1987 | EP0215629A2 Propeller system with electronically controlled cyclic and collective blade |
| 03/10/1987 | US4648847 Adjusting mechanism for variable pitch watercraft propellers |
| 03/10/1987 | US4648788 Device in fluid pressure generators |
| 03/10/1987 | US4648345 Propeller system with electronically controlled cyclic and collective blade pitch |
| 02/17/1987 | US4643643 Apparatus for adjusting and locking pitch of a variable pitch propeller on a ship |
| 02/12/1987 | WO1987000815A1 Control system for propeller with controllable pitch |
| 01/27/1987 | US4639192 Propeller pitch controlling arrangement having a fuel economizing feature |
| 01/13/1987 | CA1216477A1 Rotor device |
| 01/07/1987 | EP0207867A1 Propeller or the like with joined blades |
| 11/20/1986 | EP0201500A1 A device in fluid pressure generators. |
| 11/12/1986 | EP0200785A1 Method and apparatus for adjusting propeller blades of a hydraulically controlled variable pitch propeller |
| 10/07/1986 | CA1212300A1 Apparatus for the control of an aerial propeller |
| 09/03/1986 | EP0192664A1 Variable pitch propeller |
| 08/05/1986 | US4604032 Rotor device |
| 08/05/1986 | CA1208993A1 Pitch control system for variable pitch propeller |
| 07/08/1986 | US4599043 Controllable pitch propeller and watercraft drive |
| 05/22/1986 | WO1986002901A1 Method and apparatus for adjusting propeller blades of a hydraulically controlled variable pitch propeller |
| 04/01/1986 | CA1202530A1 Adjustable propeller for marine vessel drive |
| 02/27/1986 | WO1986001173A1 Variable pitch propeller |
| 01/14/1986 | US4563940 Oil infeed device for an adjustable pitch propeller |
| 12/11/1985 | EP0163713A1 Method and apparatus for reducing vibration |
| 11/27/1985 | EP0162172A1 Piston system applicable to propellers with reversible blades |
| 09/18/1985 | EP0154954A2 Marine propeller blade pitch changing mechanism |
| 09/10/1985 | US4540341 Adjustable propeller for marine vessel drive |
| 08/06/1985 | US4533296 Pitch control system for variable pitch propeller |
| 08/06/1985 | US4533295 Pitch control system for variable pitch propeller |
| 08/01/1985 | WO1985003270A1 A device in fluid pressure generators |
| 06/06/1985 | WO1985002382A1 Method and apparatus for reducing vibration |
| 05/08/1985 | EP0140097A1 Pitch changing propeller blade and propulsion for water vehicles |
| 11/27/1984 | US4484492 Devices for selectively coupling to a shaft to be driven two separate driving members |
| 10/02/1984 | US4474533 Controllable pitch propeller assembly |
| 07/18/1984 | EP0113690A1 Apparatus for the control of an aerial propeller |
| 07/04/1984 | EP0112793A1 Pitch control system for variable pitch propeller |
| 06/27/1984 | EP0112246A2 Control device to obtain a constant changing pitch or a sinusoidal changing pitch of a propeller for the propelling and directional control of a ship |
| 06/20/1984 | EP0111049A1 Device for the adjustment of blades of variable pitch |
| 03/13/1984 | US4436482 Constant ship speed control method |
| 12/06/1983 | US4419050 Method and apparatus for controlling propeller pitch |
| 10/05/1983 | EP0089960A1 A method of controlling the propulsion machinery in a ship having a variable-pitch propeller. |
| 02/01/1983 | US4371350 Marine vessel with propeller |
| 12/28/1982 | US4365937 Adjustable pitch propeller drive |
| 11/11/1982 | WO1982003831A1 A method of controlling the propulsion machinery in a ship having a variable-pitch propeller |
| 10/27/1982 | EP0063382A2 Adjustable pitch propeller drive |
| 08/31/1982 | US4347039 Variable pitch screw propeller |
| 07/13/1982 | CA1127468A1 Marine propellers |
| 03/31/1982 | EP0048587A1 Constant ship speed control method and apparatus |
| 12/08/1981 | US4304524 Marine propellers |
| 10/27/1981 | US4297079 Variable pitch marine propeller |
| 09/01/1981 | US4286923 Overload protection device for a propeller drive engine |
| 08/18/1981 | CA1107154A1 Boat propeller device |
| 04/07/1981 | US4260329 Propeller pitch and engine load control apparatus |
| 03/18/1981 | EP0025260A1 Variable pitch marine propeller |
| 01/28/1981 | EP0022802A1 Device for the modification of the incident angle of the blade of a propeller with swivelling blades |
| 12/16/1980 | US4239454 Overload protection control circuit for marine engines |
| 11/11/1980 | CA1089331A1 Propeller pitch and engine load control apparatus |
| 11/04/1980 | US4231317 Boat propeller device |
| 10/21/1980 | US4229141 Devices for operating variable-pitch propellers |
| 07/10/1980 | WO1980001373A1 Device for the modification of the incident angle of the blade of a propeller with swivelling blades |
| 12/11/1979 | US4178127 Variable pitch impeller |
| 04/24/1979 | US4150921 Built-up marine propellers with adjustable pitch and axially removable blades |
| 04/24/1979 | US4150914 Propeller blades |
| 03/13/1979 | US4143536 Method of correcting rotational speed of screw propeller |
| 03/06/1979 | US4142835 Pitch controlling device of a marine propeller |
| 03/06/1979 | US4142834 Adjustment means for achieving equal crankpin loading in a controllable pitch propeller mechanism |
| 03/06/1979 | US4142829 Compound remote control device for the propulsion engine of a ship's variable-pitch propeller |
| 02/20/1979 | US4140434 Feathering propeller especially for sailing boats |
| 01/02/1979 | US4132503 Variable-pitch propeller |
| 11/07/1978 | US4124330 Cam-operated pitch-change apparatus |
| 06/13/1978 | US4094614 Propeller |
| 02/28/1978 | US4076453 Bearing ring for blade of a controllable pitch propeller |
| 11/15/1977 | US4058360 Self-feathering propeller |
| 09/13/1977 | US4047841 Propeller blading for a self-adjusting propeller for boats |
| 07/19/1977 | US4036164 Twin controllable pitch propellers operated from single prime mover |
| 06/07/1977 | US4028004 Feathering controllable pitch propeller |
| 05/03/1977 | US4020781 Marine propulsion systems with variable-pitch screw propellers |
| 05/25/1976 | US3958897 Variable pitch propeller |
| 05/25/1976 | US3958525 Arrangement for servo-controlled adjustment and turning of an outboard drive |