| Patents for F15B 21 - Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass (10,959) |
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| 12/26/2012 | CN202628684U Chimney-shaped air-cooled cooling device for hydraulic machinery |
| 12/26/2012 | CN202628683U Wind tunnel type air cooling device for hydraulic machinery |
| 12/26/2012 | CN202628682U Cooling device of waterborne propelling hydraulic system |
| 12/26/2012 | CN202628681U Multi-component injection machine oil temperature preheating control circuit |
| 12/26/2012 | CN202628680U Compensation valve structure |
| 12/26/2012 | CN202628630U Hydraulic oil tank assembly for back-loading compression refuse collection vehicle |
| 12/26/2012 | CN202624585U Dynamic unit device of anchoring wring machine |
| 12/26/2012 | CN202623002U Energy-saving device for concrete mixing transport cart |
| 12/26/2012 | CN102840193A Water pressure fluctuation excitation device |
| 12/26/2012 | CN102840186A 储液罐 Reservoir |
| 12/26/2012 | CN102839638A Hydraulic driving system for hydraulic driving bottom shaft rotating steel dam valve |
| 12/26/2012 | CN102838186A Membrane seawater desalination pressurization and energy recovery integrated method and device |
| 12/26/2012 | CN101678764B Drive control system for a vehicle and method |
| 12/26/2012 | CN101676572B Directly-connected minitype hydraulic-pump combined control system and control device thereof |
| 12/25/2012 | US8336305 Hydraulic drive device and working machine with the same |
| 12/20/2012 | WO2012173815A2 Hydrostatic circuits with variable charge and variable flushing systems |
| 12/20/2012 | WO2012173149A1 Power regeneration device for work machine |
| 12/20/2012 | WO2012172949A1 Hydraulic shovel |
| 12/20/2012 | US20120323451 Lift system implementing velocity-based feedforward control |
| 12/20/2012 | US20120317965 Automated hydraulic power system and a method of operating an automated hydraulic power system |
| 12/20/2012 | DE102011104292A1 Verfahren und Vorrichtung zur Steuerung eines Drehmoments eines Elektromotors eines elektrohydraulischen Systems Method and apparatus for controlling a torque of an electric motor of an electro-hydraulic system |
| 12/19/2012 | EP2535465A2 System implementing parallel lift for range of angles |
| 12/19/2012 | EP2535464A2 Lift system implementing velocity-based feedforward control |
| 12/19/2012 | CN202612276U Compact type air cooling device |
| 12/19/2012 | CN202612275U New hydraulic system |
| 12/19/2012 | CN202612274U Testing machine energy-saving hydraulic system |
| 12/19/2012 | CN202612273U Vacuum oiling device of nuclear power station high voltage circuit breaker |
| 12/19/2012 | CN202612236U Proportional pressure combination control valve and hydraulic system |
| 12/19/2012 | CN202612227U Automobile power steering oil tank |
| 12/19/2012 | CN202610241U Blower tail gas energy recovery on-line linkage device |
| 12/19/2012 | CN102829035A Servo hydraulic hybrid power system for electro-hydraulic synchronous bending machine |
| 12/19/2012 | CN102829034A Variable hydraulic transformer controlled single-pole hydraulic cylinder system and control method |
| 12/19/2012 | CN102829033A Plug-in type large-flow check valve |
| 12/19/2012 | CN102829032A Large-flow check valve for filter |
| 12/19/2012 | CN102829031A Integral large-flow check valve |
| 12/19/2012 | CN102829030A Open-type seawater hydraulic pollution control system for deepwater operation facilities |
| 12/19/2012 | CN102829029A Efficient circular cooling device |
| 12/19/2012 | CN102829028A Oil supply system of hydraulic pump station and oil interruption loop of oil supply system |
| 12/19/2012 | CN102829027A Improved structure of hydraulic station |
| 12/19/2012 | CN102829008A Lift system implementing velocity-based feedforward control |
| 12/19/2012 | CN102829007A System implementing parallel lift for range of angles |
| 12/19/2012 | CN101718291B Large-flow high-frequency electrohydraulic exciting shock control valve drive system |
| 12/19/2012 | CN101451560B Intelligent driving method of hydrocylinder precise stroke and outside driving unit thereof |
| 12/16/2012 | CA2782663A1 Dump truck |
| 12/13/2012 | WO2012167892A2 Hydropneumatic device and kit |
| 12/13/2012 | WO2012087659A3 Over shaft rotary actuator with internal clamp |
| 12/13/2012 | US20120312007 Control system for hybrid construction machine |
| 12/13/2012 | DE102011103868A1 Hydraulic drive for mobile working machine, has low-pressure feed line, which connects hydraulic accumulator to port of hydraulic machine, where accumulator discharge valve unit is arranged |
| 12/12/2012 | EP2532899A1 Oil tank |
| 12/12/2012 | CN202597343U Temperature regulation device for hydraulic oil tank |
| 12/12/2012 | CN202597342U Alcohol spray type gas path anti-freezing device for oil drilling |
| 12/12/2012 | CN202597341U Oil temperature adjustment device of hydraulic oil tank of crack filling machine |
| 12/12/2012 | CN202597340U Reversal high pressure filter device |
| 12/12/2012 | CN202597339U Oil circuit structure realizing reverse differential motion of oil cylinder by additionally arranging oil storage cylinders |
| 12/12/2012 | CN202597338U Hydraulic connecting device of vehicle-mounted energy accumulator |
| 12/12/2012 | CN202597337U Oil discharge device of automobile hydraulic steering device |
| 12/12/2012 | CN202597336U Totally-enclosed hydraulic pump station system |
| 12/12/2012 | CN202597335U Novel winding type liquid filling valve for brick pressing machine |
| 12/12/2012 | CN202597325U Direct drive electro-hydraulic servo actuator |
| 12/12/2012 | CN202597308U Oil way module |
| 12/12/2012 | CN202597293U Hydraulic oil tank with cooling device |
| 12/12/2012 | CN202597055U Hydraulic oil pump test bed hydraulic system |
| 12/12/2012 | CN202597039U Low-pressure coal slurry pump hydraulic control system |
| 12/12/2012 | CN202596869U Water-oil heat radiation integrated heat radiator |
| 12/12/2012 | CN102822537A Hybrid operating machine |
| 12/12/2012 | CN102822423A Construction machine |
| 12/12/2012 | CN102822422A Hybrid construction equipment control system |
| 12/12/2012 | CN102817885A Power system |
| 12/12/2012 | CN102817884A Hydraulic pulse cooling device of quartering hammer |
| 12/12/2012 | CN102817883A Multi-functional special oiling device for deep-sea hydraulic system |
| 12/12/2012 | CN102814364A Automatic control system of plate rolling machine |
| 12/12/2012 | CN102042281B Oil cylinder of static pressure vibration exciter |
| 12/06/2012 | WO2012166225A2 Hydraulic control system having cylinder stall strategy |
| 12/06/2012 | WO2012166224A2 Hydraulic control system having cylinder stall strategy |
| 12/06/2012 | WO2012166223A2 Hydraulic control system having cylinder flow correction |
| 12/06/2012 | WO2012166035A1 Pressure pulse generator |
| 12/06/2012 | WO2012166022A1 A hydraulic system and a method for controlling a hydraulic system |
| 12/06/2012 | WO2012165773A2 Miniature actuator using bubbles |
| 12/06/2012 | WO2012165471A1 Railway car vibration control device |
| 12/06/2012 | WO2012163878A1 Method for cooling a metallic strand, and switching valve for intermittently permitting and shutting off a volume flow of a cooling medium |
| 12/06/2012 | WO2012135242A3 System and method for adjusting balance of operation of hydraulic and electric actuators |
| 12/06/2012 | US20120305114 Oil tank |
| 12/06/2012 | US20120304631 Hydraulic fluid system |
| 12/06/2012 | US20120304630 Control system for construction machine |
| 12/06/2012 | US20120304414 Dual port valve assembly and retractable hose central vacuum cleaning system |
| 12/06/2012 | DE102012209578A1 Method for supplying compressed air to e.g. sheet-fed press, has central supply pipe to which compressed air is gradually supplied in suction operation such that pressure changes are balanced by regulating device of compressed air generator |
| 12/06/2012 | DE102011103515A1 Hydraulisches Antriebssystem für eine Schauspielbühne mit drehzahlverstellbarer Hydraulikpumpe als Steuerelement A hydraulic drive system for a drama stage with speed-adjustable hydraulic pump and control |
| 12/06/2012 | DE102011012031B4 Druckluftaufbereitungsanlage und Verfahren zur Herstellung einer Druckluftaufbereitungsanlage Compressed air treatment system and method for producing a compressed air treatment system |
| 12/06/2012 | DE102011011634B4 Druckluftversorgungseinrichtung für Nutzfahrzeuge Compressed air supply system for commercial vehicles |
| 12/06/2012 | DE102011011628B4 Druckluftversorgungseinrichtung für Nutzfahrzeuge Compressed air supply system for commercial vehicles |
| 12/06/2012 | DE102010056563B4 Fluidkühlvorrichtung Fluid cooling means |
| 12/06/2012 | DE102008031328B4 Sicherheitsventil für eine pneumatische Getriebesteuerung Safety valve for pneumatic transmission control |
| 12/06/2012 | DE102007028919B4 Vorrichtung und Verfahren zur Temperaturregelung eines Hydraulikfluids Device and method for temperature control of a hydraulic fluid |
| 12/06/2012 | DE102004031996B4 Öldurchlassschaltventil mit Ölfilter Oil passage switching valve with oil filter |
| 12/05/2012 | CN202579477U Digital relay hydraulic system of roll changing trolley |
| 12/05/2012 | CN202579476U Hydraulic system for bidirectional oil pump of roller-exchanging trolley |
| 12/05/2012 | CN202579475U Hydraulic servo unit |
| 12/05/2012 | CN202579474U Oil temperature increasing device for hydraulic system of roller-exchanging trolley |
| 12/05/2012 | CN202579473U Anti-freezing equipment of drilling machine gas path |
| 12/05/2012 | CN202579472U Oil replenishing and cooling system |