betonfertigteilelemente for rollsport (skateboarding and inline skating and bmx fahrradparkurs)

• 1. 两段式直排轮滑支架 [P] . 中国专利： CN101695602A . 2010-04-21
• 2. 一种具有制动提示功能的直排轮滑 [P] . 中国专利： CN201454015U . 2010.05.12
• 3. Precast concrete elements for roll port (skateboarding, as well as of the in-line - skating) and bmx - fahrradparkurs [P] . 德国专利： DE29900251U1 . 1999-04-01

  机译： 翻滚港口（滑板以及直排轮滑）和bmx的预制混凝土元素-fahrradparkurs

• 4. Modular, lightweight ramp construction with a particularly simple design for moving tools in the field of rollers and slides, especially for skateboard, inline, roller shoes, scooter scooters and BMX wheels [P] . 德国专利： DE202020002010U1 . 2020.07.02
• 5. Modular, lightweight ramp construction with a particularly simple design for moving tools in the field of rollers and slides, especially for skateboard, inline, roller shoes, scooter scooters and BMX wheels [P] . 德国专利： DE202020002010U1 . 2020.05.27

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• 2. 对自由式轮滑选手蓝王恒花式绕桩四种“后单轮旋转”技术的运动学分析 [A] . 王瑾 . 2010