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Browse by Category: Main > Transportation & Automotive
Class Information
Number: 280/216
Name: Land vehicles > Wheeled > Occupant propelled type > With propulsion means > Added or stored energy device > With occupant propulsion means > Interposed power storing device > Fluid system
Description: Vehicles in which the interposed energy device is a fluid power plant.










Patents under this class:

Patent Number Title Of Patent Date Issued
8500150 Transport apparatus Aug. 6, 2013
7059618 Fluid automatic bicycle transmission Jun. 13, 2006
6371501 Tread wheel frame system Apr. 16, 2002
6325733 Hydraulically-operated bicycle shifting system with power shifting Dec. 4, 2001
6315313 Energy storing bicycle Nov. 13, 2001
6217398 Human-powered or human-assisted energy generation and transmission system with energy storage means and improved efficiency Apr. 17, 2001
6135474 Vehicle frame Oct. 24, 2000
6066057 Gas actuated derailleur having an indexing mechanism for setting a chain guide in a plurality of fixed positions May. 23, 2000
6032968 Hydraulic transmission for bicycles Mar. 7, 2000
5938224 Hydraulic bicycle with conjugate drive motors and variable stroke crankshaft Aug. 17, 1999
5772225 Hydraulic bicycle with conjugate drive motors Jun. 30, 1998
5771754 Bike hydraulic disk drive and method therefor Jun. 30, 1998
5423560 Variable speed hydraulic drive, for single or multi-wheel drive bicycles and the like Jun. 13, 1995
5387000 Hydraulic drive system for bicycles and the like Feb. 7, 1995
5346234 Vehicle including an hydraulic drive mechanism Sep. 13, 1994
4953882 Transmission apparatus for bicycle or like pedal-operated vehicle Sep. 4, 1990
4942936 Electrohydraulic/air bike Jul. 24, 1990
4925199 Drive device May. 15, 1990
4852898 Collapsible hydraulic polycycle Aug. 1, 1989
4688815 Hydraulically driven bicycle Aug. 25, 1987
4684143 Two-wheeled vehicle with hydraulic transmission Aug. 4, 1987
4568097 Turbo air motor for bicycles Feb. 4, 1986
4546990 Hydraulic drive system for bicycles and the like Oct. 15, 1985
4347700 Direct-drive hydraulic pump-motor Sep. 7, 1982
4290621 Bicycles Sep. 22, 1981
4249750 Fluid-power converter with paired rotators providing seals and displacement paths and pump-motor utilizing same Feb. 10, 1981
4087105 Hydraulic powered bicycle May. 2, 1978
4078816 Hydraulically driven two-wheeled pedicab Mar. 14, 1978
3941075 Pedal powered amphibian tricycle with blower-turbine coupling means Mar. 2, 1976











 
 
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