| Mi-Jack Products, Inc. Patent applications |
| Patent application number | Title | Published |
|---|
| 20120013453 | RFID Safety System and Method - The system and method for detecting and warning of the proximity of a hazard. In one embodiment this may be achieved by receiving a signal from a RFID tag, determining that the RFID tag is associated with a safety article, and activating a warning device. In another embodiment, a system may be provided that includes a monitoring antenna that receives data transmitted from a RFID tag coupled to a safety article and a processor that transmits a signal to a warning device if the safety article is in proximity to a hazard. | 01-19-2012 |
| 20110147330 | INDEPENDENTLY POWERED TROLLEYS - A trolley control system for a gantry crane having a multiple trolley arrangement such as a first and second trolley. The control system including a trolley beam connected to the gantry crane with a first and second drive device connected to the trolley beam. The first drive device is powered by a first drive system while the second drive device can be powered by either the first drive system or the second drive system. A first trolley is connected to the first drive device while a second trolley is connected to the second drive device. | 06-23-2011 |
| 20080264888 | INVENTORY STORAGE AND RETRIEVAL SYSTEM AND METHOD WITH GUIDANCE FOR LOAD-HANDLING VEHICLE - An inventory storage and retrieval system and method are provided for a shipping or storage facility. In an embodiment, the system includes: (a) a mobile computer and radio on a load-handing vehicle; (b) sensors on the vehicle to determine the ground location and orientation of the vehicle; (c) encoders that determine the position of a lifting mechanism relative to a chassis of the vehicle; and (d) a base computer and radio that communicates with the vehicle. The system maintains an inventory database of items and their respective storage locations in three dimensions as a result of the loading activity of the vehicle. The data can be used to guide the vehicle for ground movement generally to a storage location, appropriately orient the vehicle, and then to move the lifting mechanism of the vehicle to deposit or retrieve the item at a particular storage location. | 10-30-2008 |
