| Patents for F17D 3 - Arrangements for supervising or controlling working operations (4,120) |
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| 07/19/2000 | EP1019180A1 Ampule with integral filter |
| 07/19/2000 | CN2388478Y Filtering water flow observing apparatus |
| 07/11/2000 | US6086772 An ozone generator, an ozone reservoir, an ozone injector for injecting the ozone as antifouling agent |
| 07/11/2000 | US6085777 Dual cylinder insertion apparatus |
| 07/11/2000 | US6085772 Smart automatic safety valve having remote electromagnetic shut-off protection and reset control from seismic or other sensors |
| 07/06/2000 | DE19857776C1 Arrangement for extracting specimens from product line carrying liquid has specimen extraction block with removable container immediately after valve in flow direction in branch line |
| 07/04/2000 | US6083291 Gas transfer pipe arrangement |
| 06/28/2000 | EP1012684A1 Underground pressure regulating module |
| 06/28/2000 | CN1053961C Coupler |
| 06/27/2000 | US6080228 Gas transfer pipe arrangement |
| 06/14/2000 | CN2382942Y Vapour and water separator |
| 06/14/2000 | CN1256241A Method and system for distributing liquid chemicals |
| 06/07/2000 | CN2381878Y Alarm for pressure of oil well pipelines |
| 05/31/2000 | EP1004814A2 Chemical distribution method |
| 05/04/2000 | WO2000025062A1 Method and system for transporting a flow of fluid hydrocarbons containing water |
| 05/04/2000 | CA2569693A1 Method and system for transporting a flow of fluid hydrocarbons containing water |
| 05/03/2000 | CN1251899A Monitor system with internal power supply |
| 05/02/2000 | US6056431 Modified passive liquefier batch transition process |
| 04/26/2000 | CN2375851Y Gas underground pressure regulator |
| 04/19/2000 | EP0994399A2 Monitoring system with power supply built therein |
| 04/06/2000 | WO2000019176A1 Ultrasonic measurement system with molecular weight determination |
| 03/29/2000 | EP0989090A1 Methods and systems for distributing liquid chemicals |
| 03/09/2000 | DE19840324A1 Device to determine mass flow of fluid flowing through pipeline; has at least one vibratory exciter and at least two sensors and excitation elements arranged in middle of base body pipeline mounted on second parallel pipeline |
| 03/01/2000 | CN2366676Y LPG storage and applying installation for domestic use |
| 02/22/2000 | US6026843 Valve box manifold system and distribution method |
| 02/15/2000 | CA2031828C Control device of gaseous flow delivered from a pressure gas vessel and gas supply system using same |
| 02/08/2000 | US6021677 Pipeline system for the controlled distribution of a flowing medium and method for operating such a pipeline system |
| 01/25/2000 | US6017193 Distribution pressure control apparatus |
| 01/20/2000 | DE19831997A1 Verfahren zur Regelung des Drucks eines Fluids Method for regulating the pressure of a fluid |
| 01/19/2000 | EP0973082A1 Method for controlling a fluid pressure |
| 01/05/2000 | EP0968461A1 Pressure regulating system |
| 12/16/1999 | WO1999064781A1 Pipeline monitoring systems |
| 12/15/1999 | EP0964193A2 Fluid control valve |
| 12/15/1999 | CN1238230A Adsorption technique and apparatus for regulating peaks in gas supply network |
| 12/08/1999 | CA2274406A1 Fluid controller |
| 11/17/1999 | EP0815374A4 Flow compensated pressure control system |
| 11/09/1999 | US5981295 Ampule with integral filter |
| 10/06/1999 | CN1230828A Device and method for monitoring operation of industrial installation |
| 09/29/1999 | EP0945668A2 Fluid pressure testing |
| 09/22/1999 | CN1045218C System for conveying liquid at special speed using supersonic vibrator |
| 08/17/1999 | US5937894 System and method for transporting a fluid susceptible to hydrate formation |
| 06/30/1999 | EP0926430A1 Apparatus and method for the control of the function of an industrial installation |
| 06/30/1999 | EP0926429A1 Distribution system for a working gas and supply installation for a working gas using said system |
| 06/30/1999 | CN1221090A Device for distributing working gas and installation for supplying working gas that is equipment with such device |
| 06/17/1999 | DE19753369A1 Gas warning system control arrangement for supervision of gas flow |
| 06/09/1999 | CN2323238Y Coal gas valve case for user area |
| 05/06/1999 | WO1998043140A9 Pressure regulating system |
| 03/31/1999 | EP0904509A1 Method and device for controlling liquid fluxes in pipe lines |
| 03/25/1999 | WO1999013974A1 Ampule with integral filter |
| 03/18/1999 | DE19741893C1 Arrangement for monitoring media with electrically conducting cables has burst plate in flange followed by a burst signal plate carrying electrical resistance connected to a monitoring device |
| 03/10/1999 | EP0901039A2 Passive liquefier batch transition process |
| 02/24/1999 | EP0898112A1 Pipeline system for the controlled distribution of a fluid and method for the operation of such a system |
| 02/24/1999 | CN1208831A System and operation method for controlling fluid medium distributing pipe-line |
| 01/27/1999 | EP0893644A2 Plastic conduit element with at least one side branch |
| 01/27/1999 | EP0893643A2 Plastic conduit element for housing a temperature sensor |
| 01/27/1999 | EP0893412A2 Method and apparatus for preventing biofouling in cooling water system |
| 01/26/1999 | CA2071450C Pig-compatible three-way butterlfy valve |
| 01/21/1999 | WO1999002250A1 Method and device for contamination-free, parallel dosing of various liquids via a common pump line in separate mixing tanks using pig technology |
| 01/20/1999 | CN2304803Y Corrosion inhibitor atomizing and filling apparatus for long distance gas pipelines |
| 01/07/1999 | DE19729051C1 Reinigungszyklen in der Parfümölindustrie mittels Molchtechnik Cleaning cycles in the perfume oil industry by Molchtechnik |
| 12/30/1998 | CN1203336A Medium flowing sounder for use in pipe |
| 12/22/1998 | US5851384 Apparatus for automatically delivering hemodialysis solution to a plurality of hemodialysis machines |
| 12/16/1998 | EP0835157A4 Linear solids removal unit |
| 11/24/1998 | CA2000885C Scraper for liquid distribution pipes, especially for petroleum products |
| 11/03/1998 | US5830355 Linear solids removal unit |
| 11/03/1998 | US5829251 Hydraulic control circuit for working components, in particular in earth-moving machines |
| 10/08/1998 | WO1998044290A1 Method and device for controlling liquid fluxes in pipe lines |
| 10/08/1998 | CA2254090A1 Method and device for controlling liquid fluxes in pipe lines |
| 10/01/1998 | WO1998043141A1 Underground pressure regulating module |
| 10/01/1998 | WO1998043140A1 Pressure regulating system |
| 09/09/1998 | CN1039747C Method and device for testing fluid in pipeline |
| 08/25/1998 | US5797993 Floating apparatus for gas oil/oil to separate gases and liquids passing into a flexible export riser |
| 08/04/1998 | CA2000882C Three-way valve and liquid distribution pipe comprising same, both adapted to be cleaned by scraping |
| 07/22/1998 | CN1039250C Transport of solutions of cellulose through pipes |
| 07/14/1998 | US5779898 Control device for filters in at least two partial fluid streams |
| 06/24/1998 | EP0694144B1 Method and means for addition of odour component to consumer gas |
| 06/24/1998 | CN1185753A Linear solids removal unit |
| 06/17/1998 | EP0848204A2 Method for controlling and monitoring storage and discharge in subterranean reservoirs |
| 06/10/1998 | CN2283775Y Control device for heat channel type pentane high concentration resolving device |
| 05/26/1998 | US5755970 Method for reduction of pipeline accumulation |
| 05/05/1998 | CA2220308A1 A smart automatic safety valve having remote electromagnetic shut-off protection and reset control from seismic or other sensors |
| 04/15/1998 | EP0835157A1 Linear solids removal unit |
| 01/22/1998 | DE19653725C1 Storage process monitoring method for underground storage reservoir |
| 01/07/1998 | EP0816577A1 Hydraulic control circuit for working components, in particular in earth-moving machines |
| 01/07/1998 | EP0815374A1 Flow compensated pressure control system |
| 01/04/1998 | CA2198405A1 Hydraulic control circuit for working components, in particular in earth-moving machines |
| 09/29/1997 | CA2201269A1 A leverage insertion assembly |
| 09/23/1997 | US5670039 Linear solids removal unit |
| 08/26/1997 | US5660528 Liquid delivery system at specified rate using ultrasonic vibrators |
| 08/26/1997 | US5660198 Flow compensated pressure control system |
| 07/03/1997 | WO1997023739A1 Flow compensated pressure control system |
| 02/12/1997 | CN2247273Y Water flow display device |
| 01/29/1997 | CN2246236Y Liquid flowing indicator |
| 01/28/1997 | CA2182222A1 Process and system for transporting a fluid that may produce hydrates |
| 01/02/1997 | DE19523666A1 Flow through-put measurement in side lines of water supply for individual billing of consumer |
| 12/18/1996 | EP0670037B1 Joints |
| 12/11/1996 | EP0747626A2 Means and method for filtering contaminants from a gas stream to detect filter and/or pressurization conditions in situ |
| 11/28/1996 | WO1996037273A1 Linear solids removal unit |
| 11/19/1996 | US5576493 Method and means for filtering contaminants from a gas stream to detect filter condition in situ |
| 11/13/1996 | CN1135454A System of coveying liquid at special speed using supersonic vibrator |