| Patents for F17D 3 - Arrangements for supervising or controlling working operations (4,120) |
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| 08/01/2013 | US20130192692 Device for fuel return valve |
| 07/31/2013 | CN203099344U Compressed air pipeline connecting structure used for dacron production |
| 07/31/2013 | CN203099343U Double metering pump motor-driven prying-arranged alcohol filling device |
| 07/31/2013 | CN203099342U Dripping balance tank filling device |
| 07/31/2013 | CN203099341U Natural gas stealing pipeline blocking agent injection device |
| 07/31/2013 | CN203099340U Control device of natural gas pipeline separate-conveying electric regulating valve |
| 07/31/2013 | CN203099339U Constant flow control system for aircraft air source vehicle |
| 07/31/2013 | CN203099337U Medical air compressor air passage branch system |
| 07/31/2013 | CN103225743A Transportation and distribution method for natural gas |
| 07/31/2013 | CN103225742A Gas conveying pipeline for diesel engine system |
| 07/31/2013 | CN102661487B Mobile data collection method of pipeline gas internet of things (IOT) |
| 07/31/2013 | CN102654245B Method and device for series overlapped development of small-type station field gathering and transferring treatment |
| 07/25/2013 | US20130190684 Piston for a needleless valve system |
| 07/25/2013 | US20130186852 Device and method for producing targeted flow and current density patterns in a chemical and/or electrolytic surface treatment |
| 07/25/2013 | US20130186472 Electronic load drop protection for hydraulic fluid system |
| 07/24/2013 | CN203082549U Gas diffusion device |
| 07/24/2013 | CN203082548U Temperature and pressure reduction apparatus |
| 07/24/2013 | CN203082544U Flammable and combustible gas delivery equipment |
| 07/24/2013 | CN203076749U Variable-pressure constant-flow flame control device |
| 07/24/2013 | CN103216730A Draining device |
| 07/24/2013 | CN103216729A Smart control system for pipeline delivery |
| 07/24/2013 | CN103216728A Gas feeding system of workshop pipe prefabrication production line |
| 07/24/2013 | CN102620140B Inlet and outlet gas confluence device of eleven-high-pressure-gas-cylinder trailer |
| 07/24/2013 | CN102425725B System and method for reclaiming boil off gas (BOG) in liquefied natural gas (LNG) storage tank |
| 07/23/2013 | US8490575 Valve |
| 07/17/2013 | CN203068149U Antifreezing medium-pressure gas drainer adopting bottom electric heating |
| 07/17/2013 | CN203068148U LNG (Liquefied Natural Gas) automobile odorizing equipment |
| 07/17/2013 | CN203068147U Multifunctional inflation and exhaust connecting pipe |
| 07/17/2013 | CN203068146U Gas treatment system for pipeline gas conveying station |
| 07/17/2013 | CN203068139U Device for high-purity air circuit system of laboratory |
| 07/17/2013 | CN203068138U Process pipe for delivering raw material air in secondary air separation production by primary air compressor |
| 07/17/2013 | CN203061079U Sulfur elimination agent and gas-liquid phase mixing device |
| 07/16/2013 | US8485210 Water scavenging system |
| 07/11/2013 | US20130174917 Priority valve assembly and method for operating a priority valve assembly |
| 07/10/2013 | CN203052216U Coke oven gas conveying pipeline blocking-resistant type water seal device |
| 07/10/2013 | CN203052215U High-efficiency dewatering energy-saving double-stage leak-proof-type water seal drainer |
| 07/10/2013 | CN203052214U Constant pressure canned method feeding system of chemical industry dosing filling machine |
| 07/10/2013 | CN203052213U Low-temperature liquid storage and transportation device with economical pipeline |
| 07/10/2013 | CN203052212U Water flow indicator |
| 07/10/2013 | CN203052208U Conveying device from multiple storage tanks to multiple pumps |
| 07/10/2013 | CN203052206U Air source automatic distributor with safety function |
| 07/10/2013 | CN203052202U Continuous nitrogen supply device |
| 07/10/2013 | CN203051021U Anti-explosion combined pump |
| 07/10/2013 | CN102410391B Real-time throttling device and method for eliminating severe slugging of gathering-riser system |
| 07/10/2013 | CN102095074B Experimental device and method for wax precipitation of pipeline |
| 07/10/2013 | CN101666427B High-efficiency hydrate inhibitor containing corrosion inhibitor |
| 07/09/2013 | US8482409 System and method for conveying status information regarding an electronic faucet |
| 07/09/2013 | CA2664492C Method and apparatus for enhancing operation of a fluid transport pipeline |
| 07/04/2013 | WO2013101482A1 Systems and methods for stabilizing subsea pipeline |
| 07/04/2013 | US20130167935 Systems and methods for monitoring fluid separation and/or monitoring the health of a valve |
| 07/04/2013 | CA2856446A1 Systems and methods for stabilizing subsea pipeline |
| 07/03/2013 | CN203036258U Liquid conveying reversing device |
| 07/03/2013 | CN203036257U Compressed natural gas decompression device based on cooling capacity recovery |
| 07/03/2013 | CN203036256U Transportation oil way device |
| 07/03/2013 | CN203036255U Gas input device |
| 07/02/2013 | US8475743 Multilevel microfluidic systems and methods |
| 06/27/2013 | WO2013095423A1 Flow-affecting device |
| 06/27/2013 | US20130164754 Sample preparation devices and systems |
| 06/27/2013 | CA2858579A1 Flow-affecting device |
| 06/26/2013 | CN203023804U Pressure self-adaptive type continuous drainer for gas delivery pipeline |
| 06/26/2013 | CN203023803U Suck-back type coal slurry pipeline pressure adjusting device |
| 06/26/2013 | CN203023802U Pressure regulating tank for slurry pipeline |
| 06/26/2013 | CN203023801U Liquid replenishment system |
| 06/26/2013 | CN203023799U Air supply system for non-ferrous metal welding |
| 06/26/2013 | CN103174938A Multistage gas pressure reduction heating equipment and multistage gas pressure reduction heating method |
| 06/26/2013 | CN103174936A Apparatus and method for supplying liquefied gas |
| 06/25/2013 | US8468804 Exhaust line for an internal-combustion engine having a shut-off valve with a diagnostic capability |
| 06/25/2013 | CA2731274C Resazurin pellets suitable for a system of feeding solid materials to a pressurized pipeline |
| 06/20/2013 | WO2013088031A1 Method and device for injecting an additive into a duct of liquid |
| 06/20/2013 | US20130153797 Actuation of valves using electroosmotic pump |
| 06/20/2013 | US20130153149 Substrate Processing Tool with Tunable Fluid Flow |
| 06/20/2013 | US20130153061 Apparatus to facilitate determining proper placement of a liquid |
| 06/20/2013 | US20130153040 Flow rate control using mass flow rate control device |
| 06/20/2013 | US20130153036 Gas valve with electronic proof of closure system |
| 06/19/2013 | CN203010210U Heat insulation as well as continuous dewatering and blowdown device for coal gas flow throttling device |
| 06/19/2013 | CN203010209U Adipic acid storage tank |
| 06/19/2013 | CN203010205U Air supply system used for benzene hydrogenation unit |
| 06/19/2013 | CN102661486B Multiphase flow hybrid conveying pipeline resistance reduction device and method of mine field |
| 06/19/2013 | CN102086966B Epitaxial equipment gas supply method and apparatus |
| 06/19/2013 | CN101825222B Coal gasification gas provision method and system |
| 06/19/2013 | CN101446382B Special gas supply and distribution device |
| 06/19/2013 | CN101368668B Multifunctional well draining device |
| 06/18/2013 | US8464837 Device and method for controlling supply of lubricant at a work vehicle |
| 06/13/2013 | US20130146160 Capacitive user interface |
| 06/12/2013 | CN202992652U Automatic intelligent type high-pressure gas drainer |
| 06/12/2013 | CN202992651U Crude oil online density measuring device |
| 06/12/2013 | CN103148350A Long-distance pipeline coal conveying line pressure detection and valve chamber control system |
| 06/12/2013 | CN103148349A Parallel type autoinflation sequence control panel special for substation |
| 06/12/2013 | CN103148348A Electronic type CNG (Compressed Natural Gas) gas charging station sequence control panel |
| 06/12/2013 | CN103148347A Automatic steam pressure regulation system for using steamer platform |
| 06/12/2013 | CN102410445B Crude oil pipeline sampling head |
| 06/11/2013 | US8463446 Operating method for a cooling section having centralized detection of valve characteristics and objects corresponding thereto |
| 06/11/2013 | US8459300 Arrangement for feeding a liquid additive for an internal-combustion engine |
| 06/11/2013 | CA2663456C Method for controlled placement of additives in oil and gas production |
| 06/06/2013 | US20130139916 Oil pressure control apparatus |
| 06/06/2013 | US20130139898 Reagent splitting/dispensing method based on reagent dispensing nozzle and reagent splitting/dispensing mechanism |
| 06/06/2013 | US20130139896 Managing Waste Water Discharge Of A Computing System |
| 06/05/2013 | CN202972542U Indoor gas safe system |
| 06/05/2013 | CN202972539U Numerical-control chemical feeding device of oil delivery pipeline |
| 06/05/2013 | CN202972538U Oil transmission device with detection device |