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Class Information
Number: 440/27
Name: Marine propulsion > Operator powered drive for propelling means > Rotary cranking arm > Plural-crank type
Description: Device wherein the motive force is transmitted to a propelling means by means of the rotation of multiple offset segments of a revolving rod.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7371138 |
Boat having a pedal drive |
May. 13, 2008 |
| 7037149 |
Pedal powered catamaran |
May. 2, 2006 |
| 7021978 |
Human-powered generator system with active inertia and simulated vehicle |
Apr. 4, 2006 |
| 6855016 |
Electric watercycle with variable electronic gearing and human power amplification |
Feb. 15, 2005 |
| 6712653 |
Self-tensioning pedal drive mechanism for a human powered boat |
Mar. 30, 2004 |
| 6691633 |
Pontoon paddle boat |
Feb. 17, 2004 |
| 6500034 |
Water bicycle |
Dec. 31, 2002 |
| 6267631 |
Bicycle watercraft accessory |
Jul. 31, 2001 |
| 6247981 |
Recreational watercraft |
Jun. 19, 2001 |
| 6210242 |
Pedal-powered watercraft |
Apr. 3, 2001 |
| 5989081 |
Pedal boat |
Nov. 23, 1999 |
| 5879208 |
Water apparatus |
Mar. 9, 1999 |
| 5860378 |
Recreational water vessel |
Jan. 19, 1999 |
| 5718611 |
Personalized watercraft |
Feb. 17, 1998 |
| 5672080 |
Water bicycle |
Sep. 30, 1997 |
| 5577940 |
Water cycle apparatus |
Nov. 26, 1996 |
| 5540604 |
Aquatic vehicle with articulated steering |
Jul. 30, 1996 |
| 5509831 |
Unicycle for operation in water |
Apr. 23, 1996 |
| 5460551 |
Pedal-powered kayak |
Oct. 24, 1995 |
| 5413066 |
Pond boat |
May. 9, 1995 |
| 5405275 |
Personalized watercraft |
Apr. 11, 1995 |
| 5381752 |
Paddle boat |
Jan. 17, 1995 |
| 5374206 |
Pedal operated watercraft |
Dec. 20, 1994 |
| 5249991 |
Manually operated propulsion device for a canoe |
Oct. 5, 1993 |
| 5058522 |
Portable personal floatation device |
Oct. 22, 1991 |
| 4979916 |
Canoe paddle assembly |
Dec. 25, 1990 |
| 4968274 |
Pedal operated watercraft |
Nov. 6, 1990 |
| 4894033 |
Multipurpose and inflatable raft |
Jan. 16, 1990 |
| 4886475 |
Steering apparatus for an inflatable raft |
Dec. 12, 1989 |
| 4842292 |
Foldable multipurpose bicycle |
Jun. 27, 1989 |
| 4828517 |
Orion portable waterbicycle |
May. 9, 1989 |
| 4726550 |
Comprehensive airplane safety system |
Feb. 23, 1988 |
| 4708676 |
Multi-function pad device with driving mechanism |
Nov. 24, 1987 |
| 4698033 |
Recreational watercraft |
Oct. 6, 1987 |
| 4698034 |
Water bicycle |
Oct. 6, 1987 |
| 4668196 |
Manually powered boat |
May. 26, 1987 |
| 4655717 |
Vehicular sports device able to travel over firm surfaces, soft surfaces or liquid surfaces |
Apr. 7, 1987 |
| 4500297 |
Paddle wheel propelled watercraft |
Feb. 19, 1985 |
| 4493657 |
Device for converting a cycle into a treadle-operated water cycle |
Jan. 15, 1985 |
| 4437840 |
Swimming wheel apparatus |
Mar. 20, 1984 |
| 4395237 |
Amphibious bicycle |
Jul. 26, 1983 |
| 4376420 |
Inflatable boat including a mechanical propulsion assembly for operation by a user |
Mar. 15, 1983 |
| 4323352 |
Cerf cycle |
Apr. 6, 1982 |
| D254485 |
Paddle wheel apparatus |
Mar. 18, 1980 |
| 4140076 |
Pedal well for a paddle wheel boat |
Feb. 20, 1979 |
| 4072124 |
Nautical vehicle |
Feb. 7, 1978 |
| 4016826 |
Water spider |
Apr. 12, 1977 |
| 3999501 |
Knockdown readily portable rider propelled water scooter and life raft |
Dec. 28, 1976 |
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