Patents
Patents for B63H 7 - Arrangements of propulsive devices directly acting on air (280)
05/2005
05/05/2005US20050095930 System to propel an air powered boat
02/2005
02/09/2005EP1503935A1 Motor-driven inflatable boat, in particular for ice rescue, comprising mounted steering devices, control units and an air propeller propulsion device
02/09/2005EP1503934A2 Motor-driven hydroplane for rescue purposes (ice rescue)
02/03/2005CA2532599A1 Rotor blade tip section
01/2005
01/05/2005DE10221621B4 Motorgetriebenes Gleitboot zu Rettungszwecken (Eisrettung) A motor-driven planing for rescue purposes (ice rescue)
12/2004
12/07/2004CA2416479C Counter-rotating transmission
11/2004
11/23/2004US6821169 Drive system for counter-rotating propellers
08/2004
08/12/2004US20040157510 Drive system for counter-rotating propellers
03/2004
03/09/2004US6702631 Transmission for driving, counter-rotating propellers, lubrication system, and associated methods
03/04/2004WO2003097438A3 Motor-driven hydroplane for rescue purposes (ice rescue)
03/04/2004US20040042897 Turbine engine
11/2003
11/27/2003WO2003097439A1 Motor-driven inflatable boat, in particular for ice rescue, comprising mounted steering devices, control units and an air propeller propulsion device
11/27/2003WO2003097438A2 Motor-driven hydroplane for rescue purposes (ice rescue)
11/27/2003CA2507232A1 Motor-driven inflatable boat, in particular for ice rescue, comprising mounted steering devices, control units and an air propeller propulsion device
11/27/2003CA2485839A1 Motor-driven hydroplane for rescue purposes (ice rescue)
10/2003
10/15/2003EP1352156A1 A turbine engine
08/2003
08/07/2003US20030148677 Transmission for driving, counter-rotating propellers, lubrication system, and associated methods
04/2003
04/01/2003US6540570 Counter-rotating transmission
12/2002
12/26/2002US20020195518 Combination fixed and rotating wing aircraft and land vehicle
11/2002
11/12/2002US6478641 Transmission for driving counter-rotating propellers, lubrication system, and associated methods
10/2002
10/24/2002DE10108596C1 Ground effect vehicle for skimming over surface of water has planing float hull, low-mounted folding wings and high-mounted horizontal stabilizer and air propeller
09/2002
09/12/2002US20020125367 Combination fixed and rotating wing aircraft, land vehicle and water craft
08/2002
08/08/2002WO2002060550A1 Air propelled device
07/2002
07/18/2002WO2002055845A1 A turbine engine
07/04/2002US20020086595 Transmission for driving counter-rotating propellers, lubrication system, and associated methods
07/02/2002US6413125 Canoe air propulsion machine
06/2002
06/18/2002US6406261 Counter propeller propulsion unit
04/2002
04/02/2002US6364723 Air boat with retractable wheels for ground and water travel
10/2001
10/09/2001US6299495 Airboat transmission, lubrication system, and associated method
05/2001
05/09/2001CN2429435Y Manpower with mill impellor for boat for recreation
02/2001
02/07/2001EP1074469A1 Counter propeller propulsion unit
11/2000
11/21/2000US6148757 Hydrodynamic and reinforced catamaran hull design
10/2000
10/04/2000CN2399303Y Overwater high speed ship having front arranged power and tail rudder
05/2000
05/02/2000US6056608 Air boat
04/2000
04/25/2000US6053782 Airboat transmission, lubrication system, and associated method
03/2000
03/09/2000DE19840847A1 Modular hybrid vehicle for air, land or sea operation has cell module, bearing surface module, water drive mechanism module as well as appropriate units for air, land and water travel
10/1999
10/14/1999WO1999051493A1 Counter propeller propulsion unit
08/1999
08/24/1999CA2262880A1 Hydrodynamic and reinforced catamaran hull design
02/1999
02/09/1999US5868189 Protective cover for a portable electric fan
11/1998
11/24/1998US5839926 Airboat systems and methods for increasing engine efficiency while reducing torque and noise
09/1998
09/15/1998US5807149 Airboat systems and methods for increasing engine efficiency while reducing torque and noise
08/1998
08/11/1998US5791948 Outboard air drive system
01/1998
01/13/1998US5707261 Hydrocopter
12/1997
12/11/1997DE19622834A1 Propeller for use on ship or aeroplane
07/1996
07/17/1996CN2231218Y Fan propeller for sport, entertainment ship and cycle
06/1996
06/18/1996US5526764 Surface effect craft
04/1996
04/18/1996WO1996011136A1 Muscle-powered apparatus such as a watercraft
11/1995
11/23/1995WO1995031347A1 Hydrocopter
10/1994
10/25/1994US5357894 Pleasure watercraft
10/06/1994DE4400621A1 Pusher-type propeller drive for aircraft, land vehicles or water craft
05/1993
05/18/1993CA1317816C Propulsion and steering apparatus
07/1992
07/02/1992DE4041252A1 Water craft, driven by muscle power - with movement of user not limited to plane parallel to water surface
05/1992
05/27/1992DE4037220A1 Double function rotor sail for boat - consists of wind vanes on vertical shaft
05/12/1992US5112257 Use on water and ice
01/1992
01/21/1992US5082465 Air thrust propulsion boat-drive train
10/1991
10/08/1991CA1290306C Propeller blade
11/1990
11/25/1990CA2017436A1 Air thrust propulsion boat-drive train
06/1990
06/12/1990US4932839 For a boat or a similar vehicle
05/1990
05/23/1990EP0138800B1 Air propeller
05/22/1990US4927330 Air propeller
12/1989
12/13/1989EP0345406A1 Speedboat with two carrier wings
07/1989
07/04/1989US4844698 Propeller blade
06/1989
06/27/1989US4842561 Aquatic vehicle
02/1988
02/16/1988US4724785 Frame support for connecting two float members
12/1987
12/23/1987EP0250062A2 Propeller blade
03/1987
03/25/1987CN86104001A Fixed-moment air propeller
10/1986
10/15/1986EP0197576A1 Boat
01/1986
01/21/1986US4565491 Propulsion installation of air-cushion transport vehicle
04/1985
04/24/1985EP0138800A2 Air propeller
02/1985
02/12/1985CA1182399A1 Propulsion installation of air-cushion transport vehicle
12/1983
12/20/1983US4421489 Propeller driven vehicle with forward and reverse control air rudders
12/06/1983US4418880 Fluid flow augmentor
10/1983
10/04/1983US4407215 Unique fan-powered water vessel
02/1983
02/01/1983US4371346 System for propulsion of boats by means of winds and streams and for recovery of energy
11/1982
11/02/1982US4356786 Hydrofoil boat
09/1982
09/14/1982US4349340 Man-propelled hydrofoil boat
03/1982
03/30/1982US4322208 Swivel mounted propulsion and steering apparatus
03/1981
03/11/1981EP0024998A1 System for propelling water-borne vessels with the aid of winds and currents and optional recovery of energy
04/1977
04/05/1977US4015555 Air boat
02/1977
02/01/1977US4005673 Air propulsion device for surface craft
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