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Class Information
Number: 280/214
Name: Land vehicles > Wheeled > Occupant propelled type > With propulsion means > Added or stored energy device > With occupant propulsion means
Description: Vehicles in which the occupant operated propulsion means may, at least selectively, directly propel the vehicle without aid of the storing means.










Sub-classes under this class:

Class Number Class Name Patents
280/215 Interposed power storing device 22


Patents under this class:

Patent Number Title Of Patent Date Issued
8632087 Energy coil system for vehicles Jan. 21, 2014
8240690 Human energy transduction and storage system having a one-way clutch Aug. 14, 2012
8201839 Bicycle with bidirectional input and one-way output Jun. 19, 2012
8047320 Adjustable power unit mounting attachment for vehicle Nov. 1, 2011
7673893 Spring-based mechanism for saving labor of a bicycle rider Mar. 9, 2010
7077414 Self propelled scooter Jul. 18, 2006
6695331 Kinetic energy generating mechanism Feb. 24, 2004
6340067 Bicycle equipped with drive assist Jan. 22, 2002
6302421 Vehicle with swivel control of casters for enabling rider or external steering Oct. 16, 2001
5909781 Power-assisting device for a bicycle and a bicycle equipped with the same Jun. 8, 1999
5853062 Recumbent electrically power-assisted bicycle Dec. 29, 1998
5671821 Electric propulsion system for a bicycle Sep. 30, 1997
5489002 Solar powered two wheeled vehicle with energy intensifying solar collector Feb. 6, 1996
5474148 Bicycle with electric motor Dec. 12, 1995
5433284 Electrical bicycle Jul. 18, 1995
5370200 Bicycle with electric motor Dec. 6, 1994
5368122 Electrical bicycle Nov. 29, 1994
5226501 Electric-motored bicycle Jul. 13, 1993
5036937 Exercise vehicle Aug. 6, 1991
5013284 Variable ratio drive system May. 7, 1991
4907680 Semi-active damper piston valve assembly Mar. 13, 1990
4846488 Spring drive and spring drive scooter Jul. 11, 1989
4662644 Means for cyclically enhancing driving torque May. 5, 1987
4168758 Electrically assisted pedal-propelled vehicles Sep. 25, 1979
4122907 Electrically assisted cycles Oct. 31, 1978
4062421 Bicycle drive system Dec. 13, 1977
4019230 Reciprocating powered bicycle Apr. 26, 1977
3991843 Cycles Nov. 16, 1976











 
 
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