A mobile lift device having a load moving device capable of engaging a load is provided. The mobile lift device includes one or more systems for stabilizing the mobile lift device during operation of the load moving device. According to one exemplary embodiment, the mobile lift device is a heavy duty...http://www.google.de/patents/US20090139947?utm_source=gb-gplus-sharePatent US20090139947 - SYSTEM FOR MONITORING LOAD AND ANGLE FOR MOBILE LIFT DEVICE