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cycles (136883) 136883
land vehicles for travelling otherwise than on rails (136883) 136883
performing operations (136883) 136883
transporting (136883) 136883
powered propulsion of sledges or (136882) 136882
rider propulsion of wheeled vehicles or sledges (136882) 136882
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arrangement or mounting of plural diverse prime-movers invehicles (9248) 9248
arrangement or mounting of propulsion units or oftransmissions in vehicles (9248) 9248
arrangements in connection with cooling, air intake, gasexhaust or fuel supply of propulsion units, in vehicles (9248) 9248
auxiliary drives for vehicles (9248) 9248
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technologies or applications for mitigation or adaptation againstclimate change (8119) 8119
electric equipment or propulsion of electrically-propelledvehicles (7743) 7743
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brakes specially adapted for cycles (4158) 4158
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measuring (3072) 3072
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indexing scheme relating to aspects cross-cutting vehicletechnology (3043) 3043
basic electric elements (2745) 2745
axles for wheels or castors (2448) 2448
castors (2448) 2448
increasing wheel adhesion (2448) 2448
vehicle wheels (2448) 2448
dynamo-electric machines (2439) 2439
appliances preventing or indicating unauthorized use or theftof cycles (2393) 2393
cycle stands (2393) 2393
devices for learning to ride cycles (2393) 2393
locks integral with cycles (2393) 2393
supports or holders for parking or storing cycles (2393) 2393
controlling (2355) 2355
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bearings (2103) 2103
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gas-flow silencers or exhaust apparatus for internalcombustion engines (2044) 2044
gas-flow silencers or exhaust apparatus for machines orengines in general (2044) 2044
hygiene (2030) 2030
medical or veterinary science (2030) 2030
processes or means, e.g. batteries, for the direct conversionof chemical into electrical energy (2022) 2022
control devices or systems insofar as characterised bymechanical features only (1954) 1954
apparatus for physical training, gymnastics, swimming,climbing, or fencing (1825) 1825
ball games (1825) 1825
training equipment (1825) 1825
hand-propelled vehicles, e.g. hand carts, perambulators (1814) 1814
sledges (1814) 1814
measuring force, stress, torque, work, mechanical power,mechanical efficiency, or fluid pressure (1738) 1738
conjoint control of vehicle sub-units of different type ordifferent function (1685) 1685
control systems specially adapted for hybrid vehicles (1685) 1685
road vehicle drive control systems for purposes not related tothe control of a particular sub-unit (1685) 1685
design or layout of courts, rinks or the like (1609) 1609
roller skates (1609) 1609
skates (1609) 1609
skis (1609) 1609
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Patent
04/2019
기어식 추진유닛을 구비하는 자전거에 관한 발명이다. 본 발명의 기어식 추진유닛을 구비하는 자전거는, 손잡이와 안장이 연결되는 자전거 프레임; 상기 자전거 프레임의 앞, 뒤에 회전 가능하게 결합되는 앞바퀴와 뒷바퀴; 및 상기 자전거 프레임에 결합되되 체인(chain)이 없는 구조로서... 
TRANSPORTING | RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES | CYCLES | LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS | TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES | PERFORMING OPERATIONS | POWERED PROPULSION OF SLEDGES OR
Patent
12/2017
The present invention relates to a bicycle propulsion device for propelling bicycle wheels by the strength of the hands and arms regardless of the strength of... 
TRANSPORTING | RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES | CYCLES | LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS | TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES | PERFORMING OPERATIONS | POWERED PROPULSION OF SLEDGES OR
Patent
12/2017
The present invention relates to a propulsion apparatus of a bicycle which propels bicycle wheels by a force of hands and arms regardless of a force of feet... 
TRANSPORTING | RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES | CYCLES | LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS | TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES | PERFORMING OPERATIONS | POWERED PROPULSION OF SLEDGES OR
Patent
03/2018
A propulsion device for a bicycle can include a mounting assembly for releasably coupling the propulsion device to the bicycle, a motor, a power source... 
TRANSPORTING | RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES | CYCLES | LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS | TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES | PERFORMING OPERATIONS | POWERED PROPULSION OF SLEDGES OR
Patent
03/2018
A propulsion device for a bicycle can include a mounting assembly for releasably coupling the propulsion device to the bicycle, a motor, a power source... 
TRANSPORTING | RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES | CYCLES | LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS | TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES | PERFORMING OPERATIONS | POWERED PROPULSION OF SLEDGES OR
Patent
06/2019
Patent
02/2017
The present invention relates to a rider's simultaneous use of his forearms/hands and legs to provide dual power into a propulsion system for riding a cycle... 
TRANSPORTING | RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES | CYCLES | LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS | TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES | PERFORMING OPERATIONS | POWERED PROPULSION OF SLEDGES OR
Patent
12/2018
인력 차량과 사용하기 위한 듀얼 파워 추진 시스템이 제공된다. 상기 시스템은 전단이 요크가 연결된 아래팔 바들에 작동 가능하게 결합되는 연결 로드를 포함한다. 상기 시스템은 또한 연결 로드의 후미에 결합되는 스플리터를 포함하되, 스플리터는 크랭크 축을 전향시키기 위해 제1 피니언 기어... 
CYCLE AXLE SUSPENSIONS | TRANSPORTING | RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES | CYCLES | CYCLE FRAMES | CYCLE STEERING DEVICES | RIDER-OPERATED TERMINAL CONTROLS SPECIALLY ADAPTED FORCYCLES | LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS | CYCLE SIDE-CARS, FORECARS, OR THE LIKE | TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES | PERFORMING OPERATIONS | POWERED PROPULSION OF SLEDGES OR
Patent
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