1
Constantin Teodorescu, Constantin Ceauselu, Stefan Ardeleanu: Pneumatic transport apparatus and method of propulsion. Institutul National Pentru Creatie Stiintifica Si Tehnica, Karl F Ross, May 13, 1980: US04202272 (14 worldwide citation)

A pneumatic transport system in which a continuous overhead rail extends through a plurality of transport stations. Transport tubes are arranged along the rail for high-speed travel of a vehicle which is suspended therefrom. Between the transport tubes, the vehicle rests upon driven rollers which pr ...


2
Stefan Ardeleanu: Pneumatically propelled railway car transportation system. Institutul National Pentru Creatie Stiintifica si tehnica INCREST, Karl F Ross, September 4, 1979: US04166419 (8 worldwide citation)

A pneumatic transport system in which a transport tube is provided with an overhead rail in the form of an I-beam contained therein and a vehicle riding along the rail. The vehicle is formed by an elongated container suspended beneath the rail and displaceable therealong within the tube, with at lea ...


3
Constantin Teodorescu, Stefan Ardeleanu: Process and plant for the continuous unloading of the heavy-duty containers in a pneumatic transport system. Institutul National Pentru Creatie Stiintifica Si Tehnica Increst, Karl F Ross, November 20, 1979: US04174921 (1 worldwide citation)

A system for the continuous unloading of the containers of pneumatic tranrt vehicles to which an initial velocity is imparted by pneumatic displacement within a transport tube section, while the movement of the vehicles beyond the transport tube section is caused by inertia, the vehicle being suspen ...