Patents
Sitemap › F03 - Machines or engines for liquids; Wind, spring, or weight motors; Producing mechanical power or a reactive propulsive thrust, not otherwise provided for › F03C - Positive-displacement engines driven by liquids › F03C 7 - Engines of flexible-wall type
Patents for F03C 7 - Engines of flexible-wall type (48)
11/2014
11/13/2014US20140335747 Wave Power
10/2014
10/14/2014US8859269 Chemical activation of an actuator or an osmotic motor
03/2014
03/20/2014WO2014043276A1 The ribbon transducer and pump apparatuses, methods and systems
03/11/2014US8668534 Wave power
12/2013
12/12/2013WO2013182922A1 Progressive cavity pump
03/2013
03/27/2013CN101622173B Wave power
01/2013
01/30/2013EP2550433A1 Piston engine with movable cylinder walls
02/2012
02/09/2012WO2011072817A3 Drive
02/08/2012CN202140241U 液压马达 Hydraulic motor
01/2012
01/01/2012CA2786315A1 Piston-chamber combination vanderblom motor
09/2011
09/29/2011WO2011119061A1 Piston engine with movable cylinder walls
09/14/2011CN102182623A Fluid power machine
08/2011
08/10/2011EP1844232B1 Chemical activation of an osmotic actuator or an osmotic motor
06/2011
06/22/2011DE102009059721A1 Antrieb Drive
07/2010
07/29/2010US20100190394 Wave power
01/2010
01/06/2010CN101622173A 波浪动力 Wave power
12/2009
12/02/2009EP2125501A2 Wave power
05/2009
05/14/2009US20090120082 Chemical Activation of an Actuator or an Osmotic Motor
11/2008
11/13/2008WO2008109002A3 Wave power
09/2008
09/12/2008WO2008109002A2 Wave power
09/12/2008CA2679565A1 Wave power
10/2007
10/17/2007EP1844232A1 Chemical activation of an actuator or an osmotic motor
08/2006
08/10/2006WO2006082345A1 Chemical activation of an actuator or an osmotic motor
08/09/2006EP1687529A1 Hydraulic motor having bellows, and metering pump comprising said motor
10/2005
10/18/2005US6956300 Gimbal-mounted hydroelectric turbine
05/2005
05/19/2005WO2005045244A1 Hydraulic motor having bellows, and metering pump comprising said motor
02/2005
02/10/2005US20050029817 Gimbal-mounted hydroelectric turbine
06/1998
06/25/1998DE19715370C1 Rail system for pneumatic or hydraulic linear drive
09/1997
09/30/1997US5671905 Electrochemical actuator and method of making same
08/1997
08/19/1997US5657682 Hose piston for transporting external objects along a flexible hose
02/1996
02/21/1996EP0536111B1 A machine for transforming pressure or potential energy of a fluid into mechanical work
07/1994
07/28/1994DE4300851A1 Hydraulic lift with pressurised cushion between cage and wall of shaft
07/05/1994US5325667 Machine for transforming pressure or potential energy of a fluid into mechanical work
07/1991
07/25/1991WO1991010831A1 Peristaltic motor
03/1991
03/05/1991US4997347 Peristaltic motor
06/1990
06/14/1990WO1990006443A1 A machine for transforming pressure or potential energy of a fluid into mechanical work
03/1986
03/18/1986US4576242 Peristaltic down-hole drilling motor
07/1985
07/31/1985EP0150042A2 Power device for command and regulation apparatuses
08/1979
08/28/1979US4165759 Delivering measured quantities of liquid into a fluid
08/21/1979CA1060708A1 Fluid driven motor having improved blade construction
09/1978
09/26/1978CA1039110A1 Inlet and outlet ports and sealing means for a fluid driven motor
07/1978
07/18/1978US4100936 Three-way hydraulic valve
12/1976
12/21/1976US3998130 Pressure driven motor
08/1976
08/24/1976US3976408 Fluid driven motor having improved blade construction
08/10/1976US3973471 Motors
06/1976
06/29/1976US3966369 Inlet and outlet ports and sealing means for a fluid driven motor
06/15/1976US3963386 Rotary motor with inflatable expansion member
02/1976
02/10/1976US3937599 Pumping system using solar energy