ROPE CONVEYING SYSTEM, IN PARTICULAR FOR A RECREATIONAL SPORTS SYSTEM

UNDERWATER PROPULSION DEVICE

REMOTE AND BATTERY-POWERED HOISTING DEVICE

Underwater propulsion device

Portable line ascending device for sliding or roller sports

Underwater propulsion device

Tracked personal snow transport system

Underwater propulsion device

Tracked personal snow transport system

Underwater propulsion device

Reversibly interlocking carabiner device

Human graspable propulsion device

Underwater propulsion device

Compact drive unit including juxtaposed tracks

Winch for water sports and other uses

PROPULSION DEVICE AND BACKPACK

Rigid tensioning member and tension measuring device for a towing system for towing a user on a support material

Compact drive unit including juxtaposed tracks

Control bar for traction mechanisms

SUPPORT ASSEMBLY AND METHOD FOR SUPPORTING A RECREATIONAL PRODUCT

Method for training and assisting alpine skiers

Compact pulling apparatus

Compact pulling apparatus

Mobile ski towing system

Autonomous propulsion system

VEHICLE WHICH SLIDES ON SNOW GUIDED BY A USER AND CARRYING A PASSENGER

METHOD AND DEVICE FOR TRAINING AND ASSISTING ALPINE SKIERS

Board control grip step for snowboards

Pole Attachment

Support mechanism for snowboards

Human towing device and sports based on the device

Snowboard support system

Land based towing apparatus

Systems and methods for supporting sporting equipment

Retractable snowboard support apparatus for use in lift assist transport

Snowboard Back Foot Support Apparatus

Rolling apparatus for roller skate users

Snowboard back foot support apparatus