Altitude compensation system for controlling smoke emissions...

Altitude compensation system for naturally aspirated...

Aluminum hopper car with cast collars interconnecting intersecti

Amusement devices, such as roller-coasters

Analog cam profile sensor system

Anchor member for unitizing a plurality of containers

Anchored transportation device

Anchoring device

Anchoring device for securing of freight containers

Anchoring mechanism for anchoring of freight containers

Angled cargo discharge gate

Angled traction rods

Anti rattle track fitting

Anti-drift retarder for gear operated door

Anti-pilferage device for container-carrying railroad flatcars

Anti-slip device for the transport or the storage of parcels

Anti-spin/anti-drift module for railway car door

Anticentrifugal active lateral suspension for railway vehicles

Anticlimber for railroad vehicles

Apparatus and method for conserving fuel in the operation of a t