Patents
More topics under "F01B - Machines or engines, in general or of positive-displacement type, e.g. steam engines" (14,730)
F01B 1 - Reciprocating-piston machines or engines characterised by number or relative disposition of cylinders or by being built-up from separate cylinder-crankcase elements (1,424)
F01B 11 - Reciprocating-piston machines or engines without rotary main shaft, e.g. of free-piston type (808)
F01B 13 - Reciprocating-piston machines or engines with rotating cylinders in order to obtain the reciprocating-piston motion (1,025)
F01B 15 - Reciprocating-piston machines or engines with movable cylinders other than provided for in group (272)
F01B 17 - Reciprocating-piston machines or engines characterised by use of uniflow principle (737)
F01B 19 - Positive-displacement machines or engines of flexible-wall type (376)
F01B 21 - Combinations of two or more machines or engines (337)
F01B 23 - Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby (648)
F01B 25 - Regulating, controlling, or safety means (836)
F01B 27 - Starting of machines or engines (41)
F01B 29 - Machines or engines with pertinent characteristics other than those provided for in main groups (1,501)
F01B 3 - Reciprocating-piston machines or engines with cylinder axes coaxial with, or parallel or inclined to, main shaft axis (2,319)
F01B 31 - Component parts, details, or accessories not provided for in, or of interest apart from, other groups (1,016)
F01B 5 - Reciprocating-piston machines or engines with cylinder axes arranged substantially tangentially to a circle centred on main shaft axis (89)
F01B 7 - Machines or engines with two or more pistons reciprocating within same cylinder or within essentially coaxial cylinders (730)
F01B 9 - Reciprocating-piston machines or engines characterised by connections between pistons and main shafts and not specific to groups (2,571)
Patents for F01B - Machines or engines, in general or of positive-displacement type, e.g. steam engines (31)
06/2012
06/19/2012US8202066 Piston engine
05/2012
05/01/2012CA2574915C A motor driven by pressure medium supplied from an external pressure source
06/2010
06/15/2010US7736139 Motor driven by pressure medium supplied from an external pressure source
05/2010
05/05/2010CN101115909B A motor driven by pressure medium supplied from an external pressure source
02/2010
02/24/2010CN100591915C Piston engine and method for driving and connecting piston engine
12/2008
12/18/2008US20080310985 Motor Driven by Pressure Medium Supplied From an External Pressure Source
01/2008
01/30/2008CN101115909A A motor driven by pressure medium supplied from an external pressure source
10/2007
10/11/2007US20070237657 Piston engine
08/2007
08/01/2007EP1812685A2 A motor driven by pressure medium supplied from an external pressure source
07/2006
07/12/2006CN1800639A Piston engine
04/2006
04/13/2006WO2006011808A3 A motor driven by pressure medium supplied from an external pressure source
03/2006
03/29/2006EP1640628A2 Piston engine
02/2006
02/02/2006WO2006011808A2 A motor driven by pressure medium supplied from an external pressure source
05/2003
05/07/2003CN1107793C Double moving piston type compressor
05/07/2003CN1107792C Reciprocative moving type compressor
02/1999
02/03/1999CN1206783A Double moving piston type compressor
02/03/1999CN1206782A Reciprocative moving type compressor
11/1996
11/13/1996CN1135580A Vane side surface refrigerant gas discharging apparatus for rotary type compressor
04/1995
04/19/1995EP0530289B1 Rotary machine
01/1994
01/18/1994US5279209 Rotary machine
05/1993
05/26/1993EP0530289A4 Rotary machine
03/1993
03/10/1993EP0530289A1 Rotary machine.
11/1991
11/23/1991WO1991018188A1 Rotary machine
11/23/1991CA2083517A1 Rotary machine
08/1991
08/07/1991CN1053660A Diagnostic system for evaluating performance of critical valves in steam turbine system
07/1991
07/26/1991CA2034844A1 Diagnostic system for evaluating the performance of critical valves in a steam turbine system
04/1990
04/11/1990CN1007540B Single-acting gas-operated pump
09/1989
09/26/1989CA1261678A1 Impeller
07/1988
07/26/1988US4759690 Impeller
10/1986
10/15/1986CN85106694A Single-acting, gas-operated pump
01/1986
01/29/1986EP0169637A1 An impeller for a pump