Patents
Patents for B63H 16 - Effecting propulsion by muscle power (1,639)
07/1992
07/07/1992US5127859 Front facing rowing apparatus
07/07/1992US5127855 Water-borne vehicle
07/02/1992DE4041252A1 Water craft, driven by muscle power - with movement of user not limited to plane parallel to water surface
06/1992
06/17/1992DE4039635A1 Power transmission device for movable wing flying machine - comprises housing contg. movable slide ring to which striker arm is fitted
06/17/1992CN2107428U Oar with double wing
05/1992
05/19/1992US5114371 Water paddle and flotation device for use by swimmers
05/12/1992US5112261 Reverse boat oars
05/01/1992CA2028867A1 Apparatus for the propulsion of boats
03/1992
03/31/1992US5100352 Apparatus for the propulsion of boats
03/26/1992DE4030225A1 Marine craft constructed from two surf-boards - has boards fastened to each other by rigid frame
02/1992
02/25/1992US5090928 Man-powered propulsion device
02/06/1992DE4024479A1 Manual propulsion for surf boards - has drive delivered by shaft to pair of hinged paddles below hull
12/1991
12/24/1991US5074815 Lifesaving equipment
12/10/1991US5071378 Boat impeller wheel for minimizing the splashes therefrom
11/1991
11/05/1991US5062816 Aquatic sporting device
11/05/1991US5062814 Outboard motor
10/1991
10/23/1991EP0452831A1 Watervehicle with pedal propulsion
10/22/1991US5059145 Paddle suspension device
08/1991
08/29/1991DE4005638A1 Watercraft operated by muscular force - is of surfboard or catamaran format and incorporates compressed air piston system
08/27/1991CA1288009C Paddle suspension device
08/20/1991US5041037 Oar
08/06/1991US5037339 Forward facing rowing mechanism
07/1991
07/30/1991CA1286926C Oar for racing shells and method of making same
07/09/1991US5030145 Manually operable boat propeller
06/1991
06/27/1991WO1991008945A1 Rowlock
05/1991
05/28/1991CA1284440C Outboard motor
05/16/1991DE3943537A1 Inflatable boat with paddle-wheels - is steered by disconnecting one or other paddle-wheel from pedal driven shaft
05/08/1991EP0425512A1 Emergency propulsion device.
04/1991
04/30/1991US5011441 Pedal operated water cycle
04/03/1991CA2000078A1 Canoe propeller assembly
03/1991
03/14/1991DE3928955A1 Paddle driven inflatable boat - has paddle blades which rotate through 90 deg. about radial fixing arm
02/1991
02/07/1991DE3925387A1 Muscle powered propulsion system - generates jets of compressed air which are directed rearwards
02/06/1991EP0411832A1 Improvements in or relating to paddles
12/1990
12/25/1990US4979916 Canoe paddle assembly
12/19/1990EP0316332B1 Rowing device
12/11/1990US4976423 Rowing device
11/1990
11/15/1990DE3906847A1 Propelling and steering system
11/13/1990US4969846 Man-powered boat propulsion device
11/06/1990US4968274 Pedal operated watercraft
10/1990
10/24/1990CN2064344U Pedal boat
10/07/1990CA2013365A1 Pedal operated water cycle
10/02/1990US4960396 Foot-operated boat paddle propulsion system
09/1990
09/11/1990US4955839 Oar for racing shells and method of making same
09/04/1990US4954106 Aquatic sports device
08/1990
08/02/1990DE3902367A1 A propulsion system operated by physical effort for watercraft, in particular for rowing boats of various design
07/1990
07/26/1990WO1990008062A1 Racing rowing boat
07/24/1990US4943251 Pedal operated outboard motor for watercraft
07/24/1990US4943250 Rowing apparatus
07/24/1990US4943051 Human energy transmission device
07/24/1990US4942840 Foot brace for kayaks
07/17/1990US4941855 Oarlock
07/12/1990WO1990007449A1 Marine bicycle
07/12/1990DE3940311A1 Vehicle propelled by muscle power - has pole with forked end fitted with wheel and pulley
06/1990
06/13/1990DE3841624A1 Hand propulsion system
04/1990
04/26/1990DE3837186A1 Rowing boat with vane oar
02/1990
02/22/1990DE3828212A1 Rudder attachment device for boat bodies and floating bodies with a fixed support seat and movable foot supports
02/22/1990DE3827689A1 Watercourse device
01/1990
01/09/1990US4892493 Supplemental sailboat propulsion device
01/02/1990US4891024 Pedal boat propulsion system
12/1989
12/26/1989US4889509 Slideable outrigger
12/26/1989US4889508 Bow facing rowing system
12/14/1989WO1989012001A1 Oar-reversing mechanism
12/14/1989WO1989012000A1 Emergency propulsion device
12/12/1989US4886475 Steering apparatus for an inflatable raft
11/1989
11/02/1989DE3910442A1 Inflatable multipurpose raft
10/1989
10/26/1989DE3812197A1 Arrangement of a drive system driven by muscle power for water craft, in particular for rowing (row) boats of different design
09/1989
09/19/1989US4867719 Hydrofoil oar with movable outrigger
09/19/1989US4867718 Hydrofoil oar
09/05/1989US4862818 Canoe stabilizing and guide mechanism
07/1989
07/25/1989US4850907 Air motor systems for small boats
06/1989
06/27/1989US4842482 Paddle construction
05/1989
05/24/1989EP0316332A1 Rowing device.
05/23/1989US4832631 Swimming aid
04/1989
04/27/1989DE3734893A1 Boat propulsion systems
04/25/1989US4823722 Semi-submersible marine craft
04/11/1989US4820216 Adjustable kayak paddle
03/1989
03/23/1989DE3802238A1 Row attachment for boat hulls and floats for the purpose of rowing facing in the direction of travel
03/23/1989DE3729651A1 Arrangement of a muscle-powered propulsion system for watercraft, in particular for row-boats of various designs
03/07/1989US4810217 Propulsion device for small boats
01/1989
01/03/1989US4795381 Vessel and driving means
12/1988
12/22/1988DE3709648A1 Lever drive with infinitely adjustable transmission ratio
12/08/1988DE3817077A1 Bucket body for devices for producing a propulsion force
12/01/1988DE3813968A1 Rowlock for forward rowing
11/1988
11/30/1988EP0293308A1 Manual propulsion device for surf board
11/17/1988EP0256019B1 Sliding outrigger
11/01/1988US4781630 Muscular force actuated vehicle
10/1988
10/19/1988EP0287526A1 Watercraft with propelling devices for propelling it
10/18/1988US4777900 Oar storage and carrying rack for boats
10/11/1988US4776821 Rowing apparatus
09/1988
09/29/1988DE3709187A1 Rowlock height measuring device for rowboats
08/1988
08/31/1988CN88210244U Pedal and electric dualpurpose plastic boat
06/1988
06/30/1988DE3642703A1 Boat hull that is inflatable (e.g. with air) for use, and can be collapsed when not in use or for transport
06/23/1988DE3643477A1 Pedal drive for small boats
05/1988
05/31/1988US4747363 Oarlock stabilizer
05/17/1988US4744776 Pedal craft
05/11/1988CN87103104A Bicycle and boat installation
04/1988
04/19/1988US4738643 Bow facing rowing apparatus
04/12/1988US4737126 For paddling a watercraft
03/1988
03/24/1988WO1988001966A1 Man-powered propulsion device
03/03/1988DE3628637A1 Sports apparatus for swimmers
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