Patent classifications
F
MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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F01
MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
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F01B
MACHINES OR ENGINES, IN GENERAL OR OF POSITIVE-DISPLACEMENT TYPE, e.g. STEAM ENGINES
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13/00
Reciprocating-piston machines or engines with rotating cylinders in order to obtain the reciprocating-piston motion
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F01B13/061
the connection of the pistons with the actuated or actuating element being at the outer ends of the cylinders
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F01B13/063
with two or more series radial piston-cylinder units
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