| Patents for B63H 16 - Effecting propulsion by muscle power (1,639) |
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| 12/30/2004 | US20040266288 Manually propelled personal flotation device |
| 12/23/2004 | US20040259438 Rowing surf board |
| 12/09/2004 | US20040248481 High efficiency hydrofoil and swim fin designs |
| 11/29/2004 | CA2430418A1 Self-centering tool for measuring or adjusting the position of an oarlock relative to the centerline of a racing shell |
| 11/25/2004 | WO2004101355A1 Boat having a pedal drive |
| 11/25/2004 | US20040235370 Rowing device |
| 11/25/2004 | CA2524970A1 Boat having a pedal drive |
| 11/24/2004 | EP1479604A1 Pedal propelled boat |
| 11/23/2004 | US6821172 Outrigger assembly |
| 11/16/2004 | US6817913 Recumbent quadrimanual forward-rowing device |
| 11/11/2004 | WO2004062998A3 Marine vehicle |
| 11/11/2004 | US20040224578 Watercycle for wet rider |
| 11/11/2004 | DE202004014217U1 Inflatable dolphin shape, comprising handles, keel and swivel mounted tail to be used for riding in river or lake |
| 11/10/2004 | CN1544288A Self-propelled foil unit |
| 10/28/2004 | DE10314963A1 The technique to join two kayak paddles together, to give an extended reach for rescue, holds the paddles together at their flat surfaces by two belts, and a longitudinal belt is secured to a shaft to prevent the other paddle floating away |
| 10/27/2004 | EP1470042A1 Device that is used to create a rippling motion in two directions of movement which can also be used as a generator |
| 10/06/2004 | CN2646041Y Finlike flexible sculler |
| 09/28/2004 | US6796863 Paddle support for a vessel |
| 09/28/2004 | US6796862 Forked rib kayak paddle |
| 09/23/2004 | DE202004009443U1 Device with a floating drive used for water sports comprises two floating bodies and drive floats |
| 09/21/2004 | US6793547 Kayak paddle with safety mirror |
| 09/09/2004 | US20040175999 Stroke cycle phase shift rowing |
| 09/09/2004 | DE10307300A1 Footrest holding device for kayak, has strap that is provided to each holder, and which is coupled to belt buckle after being fastened along boat wall and extended forward |
| 09/08/2004 | EP1453725A1 Rowing device |
| 08/26/2004 | US20040166748 Upright human floatation apparatus and propulsion mechanism therefor |
| 08/26/2004 | DE202004008756U1 Locking system to store paddles has a segmented grip for several parallel paddles and secured by a sliding bar |
| 08/24/2004 | CA2252160C Stick blade |
| 08/18/2004 | EP0939724B1 Aqua bike |
| 08/11/2004 | CN2631938Y Solar ships |
| 07/29/2004 | WO2004062998A2 Marine vehicle |
| 07/29/2004 | US20040147180 Paddle aqua-glider used to propel floats, reach remote places and objects, survey rescue in water |
| 07/29/2004 | DE202004006775U1 Rowing boat for e.g. river or lake regatta racing has a forward-facing crew member in bows and stern-facing crew member aft |
| 07/29/2004 | DE102004002240A1 Wasserfahrzeug Water craft |
| 07/28/2004 | CN2628419Y Web type driving device for boat |
| 07/21/2004 | CN1513723A Flexible rowing paddle |
| 07/20/2004 | US6764363 Upright human floatation apparatus and propulsion mechanism therefor |
| 06/29/2004 | US6755706 Structure of fin shaped soft paddle |
| 06/24/2004 | WO2004052722A1 Oar |
| 06/24/2004 | US20040121669 Kayak paddle with safety mirror |
| 06/24/2004 | CA2509355A1 Oar |
| 06/17/2004 | WO2004050474A1 Drive for ailerons actuated by muscular force |
| 06/17/2004 | DE202004000265U1 Rudder device for rowboats comprises an inner capping piece having a handle, and an outer capping piece supporting a blade and rotating in guides |
| 06/02/2004 | CN1151945C 'Menneimasi pendulum arm' and dual-paddle mechanism |
| 05/18/2004 | US6736688 Manually propelled personal floatation device |
| 05/13/2004 | WO2004039462A1 Monitoring sports |
| 05/06/2004 | WO2002055381A9 Personal watercraft |
| 05/06/2004 | US20040087225 Pedal powered water craft and equipment |
| 05/06/2004 | US20040087224 Waterpillar |
| 04/15/2004 | DE10027937B4 Parallelschub-Ruder Parallel feed-rudder |
| 04/13/2004 | US6719599 High efficiency hydrofoil and swim fin designs |
| 04/08/2004 | DE20122069U1 Roller seat for rowing boat has seat surface formed by stretch textile in base-free manner and over large surface in area of pressure points of buttocks of rower |
| 04/01/2004 | WO2004026679A1 Variable resistance water skis with variable resistance paddles |
| 03/30/2004 | US6712653 Self-tensioning pedal drive mechanism for a human powered boat |
| 03/17/2004 | EP1274622B1 Water craft propelled by a double-flipper device actuated by a pedal mechanism |
| 03/11/2004 | US20040048529 Paddle hand grips and method for making and using same |
| 03/11/2004 | US20040048525 Watercycle for wet rider |
| 03/11/2004 | DE10234408A1 Recovery system for fixing a carbine to a paddle and for connecting two paddles used in kayaking and rafting comprises a carbine holder for a carbine on which a rescue cable is hung and fixed to a paddle |
| 03/04/2004 | US20040043679 Front facing rowing apparatus |
| 03/04/2004 | DE20318605U1 Watersports board, has fin propulsion operated by rocker connected to centreboard and provided with handlebars |
| 02/25/2004 | EP1391379A1 Arrangement for rowing facing forwards |
| 02/19/2004 | DE20316652U1 Fin drive for water vessel is by muscle force using double cranks but for specific causes may also involve motor propulsion |
| 02/17/2004 | US6692317 Water craft propelled by a double-flipper device actuated by a pedal mechanism |
| 02/12/2004 | DE20314672U1 Boat has a central hull with outriggers left and right which allow the hull to incline to a limited degree |
| 02/05/2004 | US20040023572 Flotation device |
| 02/05/2004 | US20040023570 Shaft coupler with positive angular and axial locking features for coupling paddle sections together and angularly positioning the sections relative to each other |
| 02/05/2004 | DE20316787U1 Hand protection for kayak paddle has a shaped fitting slid onto the shaft of the paddle to reduce injury risk to the hands when performing an Eskimo roll |
| 01/26/2004 | CA2435969A1 Personal watercraft |
| 01/17/2004 | CA2433923A1 Flotation device |
| 01/14/2004 | EP0999975B1 Novel watercraft |
| 01/08/2004 | DE20315862U1 Device for rowing in the direction of sight comprises oars divided in the region of the side of the boat to form two oar parts that are connected by a kinematic chain consisting of the oar parts mounted on a bracket and a prismatic joint |
| 01/07/2004 | CN2597331Y Centrifugal propeller for manpower boat |
| 01/07/2004 | CN2597330Y Flexible rowing oar |
| 12/17/2003 | CN2592512Y Forward bow-facing rawing transmission |
| 12/10/2003 | CN2590865Y Boat forward double-paddle |
| 12/10/2003 | CN2590864Y Propeller type pedal driving device |
| 11/20/2003 | US20030216091 Small watercraft with fin and jig |
| 11/11/2003 | US6645025 Paddle support having a storage device |
| 11/06/2003 | WO2003091098A1 A device for transforming a lenear alternating modition into a working movement and uses for the device |
| 11/05/2003 | EP1358913A1 A paddle |
| 11/04/2003 | US6640741 Pontoon watercraft integrated load distribution system |
| 10/30/2003 | DE20313299U1 Compact transportable pedal catamaran has linkage to lift high geared propeller between floats and ergonomic seat for pedal drive through coupling |
| 10/14/2003 | US6632111 Paddle support for a vessel |
| 10/09/2003 | WO2003082668A1 Feet-propelled water vehicle |
| 10/09/2003 | WO2003010043A3 Upright human floatation apparatus and propulsion mechanism therefore |
| 09/30/2003 | US6626716 Fixing structure of paddle |
| 09/16/2003 | CA2201763C Rowing apparatus |
| 09/11/2003 | DE20310139U1 Rowing system for facing in direction of travel has oars and handgrips separately pivot mounted on boat and linked by flexible coupling |
| 08/21/2003 | WO2003068592A1 Oar for use in rowing |
| 08/19/2003 | US6607411 High efficiency hydrofoil and swim fin designs |
| 08/14/2003 | US20030153220 High efficiency hydrofoil and swim fin designs |
| 07/31/2003 | WO2003062048A1 Device that is used to create a rippling motion in two directions of movement which can also be used as a generator |
| 07/29/2003 | CA2305251C Universal platform for human powered floatation devices |
| 07/22/2003 | US6595816 Device for removably attaching an oar to a boat |
| 07/22/2003 | US6595813 Feet-propelled water vehicle |
| 07/22/2003 | US6595713 Locking system |
| 07/08/2003 | US6588356 Water hook |
| 07/01/2003 | US6585548 High efficiency hydrofoil and swim fin designs |
| 06/26/2003 | WO2003052298A1 Toggle joint pedal mechanism |
| 06/18/2003 | CN2556122Y Hand water-skiing apparatus |
| 06/17/2003 | US6579134 User-propellable sport board device |