| Patents for F17D 3 - Arrangements for supervising or controlling working operations (4,120) |
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| 08/31/2011 | CN201954260U 无伴热节能煤气排水器 Unaccompanied thermal energy and gas drainage |
| 08/31/2011 | CN201954259U 水封排水密封罐装置 Sealed cans seal drainage device |
| 08/31/2011 | CN201954258U 管道调压器 Pipeline regulator |
| 08/31/2011 | CN201949869U 聚氨酯合成反应中氮气自动控制装置 PU synthetic reactions with nitrogen automatic control device |
| 08/31/2011 | CN102168805A Oil-gas mixed transportation control system for oil-gas station in oil field |
| 08/31/2011 | CN101846224B Drain flash tank exhausted steam duct compensating and draining device |
| 08/24/2011 | CN201944553U 压缩天然气供气站的高压调压箱 High pressure compressed natural gas supply station of the surge tank |
| 08/24/2011 | CN201944552U 压缩天然气供气站的集格供气减压装置 Compressed natural gas stations set lattice gas pressure reducing device |
| 08/24/2011 | CN201944547U 压缩天然气供气站的系统 Compressed natural gas station system |
| 08/23/2011 | US8001988 Verifiable closing and locking system of a cylindrical passageway |
| 08/18/2011 | US20110198077 Apparatus and method for valve actuation |
| 08/18/2011 | CA2732241A1 Cantilever feedback mechanism for a proportional bellows assembly |
| 08/17/2011 | CN201934903U 油管试压吹扫装置 Purge tubing pressure test |
| 08/17/2011 | CN201934902U 天然气输配站压差式手动加臭装置 Pressure natural gas distribution station manual Odorization device |
| 08/17/2011 | CN102155624A Leak-proof coal gas water drainer |
| 08/17/2011 | CN102155623A Self-pressure sampling device of natural gas high-voltage regulator with emergency pipeline |
| 08/17/2011 | CN102155622A High pressure regulation tank of compressed natural gas supply station and pressure regulation and gas supply method thereof |
| 08/17/2011 | CN102155621A Medium pressure regulating box in compressed natural gas supplying station and pressure regulating and gas supplying method thereof |
| 08/17/2011 | CN102155620A System of compressed natural gas supply station and pressure regulation and gas supply method of system |
| 08/17/2011 | CN102155619A Corrosion resistance precision gas voltage regulator |
| 08/17/2011 | CN101256935B Method and apparatus for controlling gas flow to a processing chamber |
| 08/10/2011 | CN201925722U 机械式防漏控制器 Mechanical leakproof Controller |
| 08/10/2011 | CN201925721U 小流量压缩天然气调压计量供气撬装装置 Compressed natural gas regulator small flow of gas metering skid device |
| 08/10/2011 | CN201925720U 三管式煤气冷凝水排出器 Three ejector type gas condensate |
| 08/10/2011 | CN101093057B Liquid raw material supply unit for vaporizer |
| 08/04/2011 | US20110186155 Liquid condition sensing circuit and method |
| 08/04/2011 | US20110186140 Gas Pressure Regulator |
| 08/03/2011 | CN201916700U 喷塑防腐防泄漏煤气排水器 Spray corrosion resistance and leak gas drainage |
| 08/03/2011 | CN102139396A Method and device for saving energy in steel plate fuel gas flame cutting process |
| 07/27/2011 | CN102135233A Bundle gas supply decompression device for compression natural gas supply station and pressure regulating and gas supplying method thereof |
| 07/27/2011 | CN101225928B Third class de-watering device of anti-g system |
| 07/27/2011 | CA2691228A1 Control system for a chemical injection pump |
| 07/21/2011 | US20110174219 Control for and method of pulsed gas delivery |
| 07/20/2011 | CN201902830U Pipeline gas pressure regulator internally provided with safety protecting device and warning sign |
| 07/20/2011 | CN201902829U Coal gas water drainer capable of realizing pressure extracting |
| 07/20/2011 | CN201902828U Pipeline automatic continuous sampler |
| 07/20/2011 | CN201902827U System for cleaning residual oil in oil delivery pipeline |
| 07/20/2011 | CN102128350A High pressure super-large-displacement natural gas drain tank |
| 07/19/2011 | US7980267 Fluid supply device and fuel cell system with the same |
| 07/14/2011 | WO2011084497A1 System, method and assembly for wellbore maintenance operations |
| 07/14/2011 | US20110168280 Tank for storing a liquid active ingredient |
| 07/14/2011 | CA2784496A1 System, method and assembly for wellbore maintenance operations |
| 07/13/2011 | CN201897082U Vacuum filling residual liquid separating device |
| 07/13/2011 | CN102121569A Liquid sealing device for centralized liquid drainage of gas conduit |
| 07/13/2011 | CN101256936B Method and apparatus for controlling gas flow to a processing chamber |
| 07/07/2011 | WO2011079384A1 Inline inspection system and method for calibration of mounted acoustic monitoring system |
| 07/07/2011 | WO2011079375A1 System and method for calibration of mounted acoustic monitoring system with mapping unit |
| 07/07/2011 | US20110162736 Autonomous temperature transmitter |
| 07/06/2011 | CN201892032U Natural gas condensate water steam trap |
| 07/06/2011 | CN201892031U Gas pipeline drainer |
| 06/30/2011 | US20110160670 Vented drug reservoir unit |
| 06/30/2011 | US20110155268 Gas cutoff device |
| 06/30/2011 | US20110155255 Means of monitoring and controlling a process step for a treatable fluid being processed |
| 06/29/2011 | CN201884940U Permanent-magnet zero-leakage petroleum antitheft sampling device |
| 06/29/2011 | CN201884939U Complicated-terrain long-distance pipeline-conveying ore slurry particle-size monitoring device |
| 06/29/2011 | CN201884937U Crude oil heating and conveying system of high-temperature heat pump |
| 06/23/2011 | US20110148399 Encoder using magnet drop out feature for theft detection |
| 06/23/2011 | US20110147212 Capacitive deionization device |
| 06/23/2011 | US20110146805 Flow control device and flow control method |
| 06/23/2011 | US20110146414 Utrasonic transducer, flow meter and method |
| 06/22/2011 | CN201875430U Energy-saving measuring system for single inlet storage tank oil well |
| 06/21/2011 | CA2523463C Apparatus and methods for remote monitoring of flow conduits |
| 06/16/2011 | WO2011072254A2 Proportional motion control valve |
| 06/16/2011 | US20110139261 Method and device for controlling a tank ventilation device for a motor vehicle |
| 06/16/2011 | US20110139260 Proportional Motion Control Valve |
| 06/16/2011 | US20110139257 Passive solids supply system and method for supplying solids |
| 06/15/2011 | CN201866534U Pipeline conveying stop and restart test device |
| 06/15/2011 | CN102095074A Experimental device and method for wax precipitation of pipeline |
| 06/08/2011 | CN102086970A Bidirectional metering and connecting method for connecting pipe networks of different gas supply areas and system |
| 06/08/2011 | CN102086969A Weak shearing petroleum heat insulation quantitative pipette |
| 06/08/2011 | CN102086968A Method and system for simulating and automatically testing technological process of crude oil pipeline transportation |
| 06/08/2011 | CN102086966A Epitaxial equipment gas supply method and apparatus |
| 06/02/2011 | US20110126912 Sub sea hybrid valve actuator system and method |
| 06/02/2011 | US20110126637 Force measuring valve assemblies, systems including such valve assemblies and related methods |
| 06/01/2011 | CN201851889U Low-point blow-off device for pressurized pipeline |
| 06/01/2011 | CN201851888U Pumpless water return system of pressure container |
| 06/01/2011 | CN102080766A Air pressure balance type quick transfer valve |
| 05/26/2011 | US20110120567 Differential air pressure systems |
| 05/25/2011 | CN201844203U Voltage regulator with heating device |
| 05/25/2011 | CN201844197U Condensation water recycling and residual heat using device |
| 05/19/2011 | US20110114848 System and method for ionizing radiation detection |
| 05/19/2011 | US20110114191 Automated valve testing apparatus |
| 05/19/2011 | US20110114188 Method for operating a tank device especially of a motor vehicle |
| 05/19/2011 | CA2721884A1 Purge manifold |
| 05/18/2011 | CN201836652U Top load type pressure regulator |
| 05/18/2011 | CN201836651U Water make-up and constant pressure system for multi-heat source ring-shaped heating pipe network |
| 05/18/2011 | CN201836650U Flow direction indicator in pipe |
| 05/18/2011 | CA2685792A1 High pressure plastic piping system and seal |
| 05/12/2011 | US20110108129 System and method for decreasing voc in crude oil tanker |
| 05/12/2011 | US20110108119 Particulate flow control process |
| 05/12/2011 | DE102009052498A1 Piggable pipeline system for supplying fluid raw material from storage tank to production plant in industry, has sub-sections reduced or extended so that transmission section is utilized by pigging sections in successive manner |
| 05/11/2011 | CN201827660U Cooling and pressure stabilizing system of liquefied natural gas storage tank |
| 05/11/2011 | CN201827658U Gas conduit drainer |
| 05/11/2011 | CN201827654U Oil gas intersecting hydraulic pressure push-type double-line gas-filling substation |
| 05/11/2011 | CN201827653U Hydraulic horizontal-pushing double-track gas filling substation |
| 05/10/2011 | CA2452301C Fluid injector with vent/proportioner ports |
| 05/05/2011 | US20110100490 Noise reducing fluid passageways for fluid flow control devices |
| 05/05/2011 | US20110100474 Pressure control device |
| 05/05/2011 | DE202011004005U1 Gas-Transporteinrichtung Gas-transport device |
| 05/04/2011 | EP2315909A2 System and method for sub-cooling hydrocarbon production fluid for transport |