U.S. federal trademark · Serial No. 75284708
bulk material container unloaders consisting of a rigid platform having at least one vertical support member for securing a bulk material container to the platform and at least one of the following material discharge mechanisms - a) a powered tilting mechanism, namely, a power screw, hydraulic cylinder or pneumatic cylinder for tilting a platform hinged at one edge to tip and unload a bulk material container; b) an inflatable tilting mechanism, namely, an inflatable bladder disposed underneath the platform pneumatically or hydraulically connected to a pump or blower for tilting a platform hinged at one edge to tip and unload a bulk material container; and c) a pump or blower provided with the platform for inflating a lined inflatable bulk material container for forcing bulk material within the container towards an opening; all sold as a unit
Source: USPTO federal trademark records. Informational only, not legal advice. Status and details may lag the live USPTO database.