Patents
Sitemap › F03 - Machines or engines for liquids; Wind, spring, or weight motors; Producing mechanical power or a reactive propulsive thrust, not otherwise provided for › F03G - Spring, weight, inertia, or like motors; Mechanical-power-producing devices or mechanisms, not otherwise provided for or using energy sources not otherwise provided for › F03G 5 - Devices for producing mechanical power from muscle energy
Patents for F03G 5 - Devices for producing mechanical power from muscle energy (1,821)
12/1988
12/20/1988US4791885 Whale harness
09/1988
09/28/1988CN87205534U Animal power generating unit for rural and pastoral area
09/07/1988CN88201399U Animal power electric generator
06/1988
06/08/1988CN87205049U Pedal power machine
05/1988
05/24/1988US4746806 Manually operated electrical generator apparatus
01/1988
01/06/1988CN86102871A Device for changing domestic animals energy
12/1987
12/30/1987CN87208791U Charger by animal power
12/17/1987DE3619446A1 Apparatus for generating electrical current (power)
09/1987
09/09/1987CN86201829U Strengthening and speed-changing device of a bicycle
07/1987
07/22/1987CN86200980U Foot-driven transmission for fluid pump
06/1987
06/03/1987CN86201942U Mini hand-operated rotary drive device
03/1987
03/04/1987CN85105085A Reciprocating manual driver
02/1987
02/18/1987CN85106309A Pedal-rotated unit
02/11/1987CN86102279A Generating electricity from animal power
10/1986
10/15/1986CN85201141U Animal power generator set
09/1986
09/16/1986US4612447 Method and apparatus for converting human exercise energy to stored kinetic energy
09/10/1986CN85102780A Expansion type engine without power consumption
07/1986
07/09/1986CN85203796U Constant torque mechanical energy-accumulating device
06/1986
06/04/1986CN85203088U Generator driven by the gravitational potential of a heavy matter
08/1984
08/22/1984EP0116049A1 Animal propelled toy
03/1984
03/01/1984WO1984000699A1 Animal propelled toy
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