Derwent World Patents Index (DWPI) - EPI ... - Thomson Reuters

1262 Appendix 4: Concise guide to EPI and mechanical transportation classification
Q2 SPECIAL VEHICLES
Includes mechanical aspects of special vehicles.
Q21 Railways
Track construction. Station/platform equipment.
Monorail, elevated, rope/cable, tramway,
funicular, rack railways. Propulsion. Passenger
carriage, freight car, wagon, hopper, buffer car.
Superstructures, underframes, bogies, doors,
windows. Brake systems. Accessories. HVAC,
sanitation. Railway servicing, maintenance,
manufacture, assembly. Train control. Level
crossings, gates, signals, points.
(B60L-M, B61)
Q22 Hand/foot/animal drawn vehicles
Hand carts, wheelbarrows. Perambulators.
Sledges/ice boats. Wheelchairs. Foot propelled
vehicles. Horse-drawn carts.
(B62B-C)
Q24 Ships; Waterborne vessels; Related
equipment
Hulls, frames, keels, decks, bulkheads, masts.
Windows, doors, hatches, port holes.
Accessories. Heating/ventilating/airconditioning.
Sanitation. Desalination plants.
Safety equipment, fire-fighting, lifeboats, life
vests. Mooring/anchoring. Ship propulsion,
propellers, engines, steering. Boats, submarines,
hovercraft, surfboards, canoes. Harbour, dock,
pier, jetty, boat hoist. Marine vessel servicing,
maintenance, manufacture, assembly.
(B63)
Q25 Aircraft; aviation; cosmonautics
Aircraft construction, fuselage, hull, wings.
Doors, windows, undercarriage. Accessories.
Sanitation, toilets, shower, HVAC. Safety
systems, fire-fighting, oxygen supply, escape
slide, parachute. Aircraft propulsion and
steering. Altitude/attitude control, flaps, control
surfaces. Balloon, helicopter, glider, military,
commercial aircraft. Ground equipment, hangar,
runway construction. Space vehicles.
Aircraft/spacecraft servicing, maintenance,
manufacture, assembly.
(B64)