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WRC PLC patents filed
Company number: 02262098Title | Date Filed | Status | Publication number |
---|---|---|---|
Conductivity tool for non-metallic pipeline inspection | 2013-01-11 | Awaiting First Examination | GB2509734 |
Non-contact absorbance measurement | 2011-05-06 | Terminated | GB2490537 |
Flotation treatment of liquids | 2010-07-16 | Terminated | GB2476847 |
Electric motor power sensor | 2008-09-18 | Ceased | GB2466472 |
Acoustic rain sensor | 2005-04-01 | Terminated | GB2412735 |
Measuring liquid height, velocity, or water quality using reflection of light from a surface of the liquid | 2003-09-10 | Ceased | GB2393783 |
Method and device for determining fluid flow velocity | 2002-03-13 | Terminated | GB2376740 |
Marking fluids | 1999-10-20 | Ceased | GB2342994 |
Deployment of equipment into fluid containers and conduits | 1999-09-07 | Granted | GB2355507 |
Determining fluid flow rate in a pipe | 1999-09-07 | Ceased | GB2354075 |
A method for detecting and/or locating leaks in a pipe | 1999-09-07 | Ceased | GB2379015 |
Apparatus for monitoring bubbles in a liquid | 1999-04-29 | Ceased | GB2336905 |
Pipe cleaning method and device | 1996-04-25 | Ceased | GB2300242 |
Removing phosphorus from waste water | 1995-12-22 | Terminated | GB2308590 |
Lining a pipeline and liner therefor | 1995-06-12 | Ceased | GB2302153 |
Pipeline renovation | 1995-06-09 | Ceased | GB2302152 |
Water disinfection | 1995-03-20 | Terminated | GB2299077 |
Aqueous sludge treatment | 1995-03-17 | Ceased | GB2287471 |
Treatment of water for use in a cooling tower by passage through a membrane to remove multivalent ions | 1994-07-21 | Terminated | GB2291365 |
Activated sludge process | 1994-07-18 | Ceased | GB2291417 |
Treatment of water,sewage and like waste liquids | 1993-10-13 | Ceased | GB2274281 |
Treatment of sludge | 1993-08-03 | Ceased | GB2283485 |
Measurement of flocculation layer depth and density | 1992-05-21 | Terminated | GB2256049 |
Pipe tapping | 1988-09-16 | Terminated | GB2223550 |
Thermophilic aerobic digestion | 1988-07-19 | Terminated | GB2207668 |
Respirometer | 1988-04-07 | Terminated | GB2203543 |
Activated sludge process | 1988-03-15 | Ceased | GB2216113 |
Pollutant detector | 1987-02-11 | Ceased | GB2189605 |
Automatic filtration apparatus | 1985-10-02 | Ceased | GB2164866 |
Water pollutant monitor | 1985-04-24 | Ceased | GB2158235 |
Electrodes for continuous monitoring of water quality | 1985-04-04 | Ceased | GB2195543 |
Continuous monitoring of water quality | 1985-04-04 | Ceased | GB2157445 |
Liquid treatment apparatus | 1985-04-03 | Ceased | GB2202465 |
Liquid treatment apparatus | 1985-04-03 | Ceased | GB2173128 |
Pipe mole | 1984-08-24 | Ceased | GB2164411 |
Liquid treatment apparatus | 1984-07-10 | Ceased | GB2143154 |
Water treatment process | 1984-07-05 | Ceased | GB2143655 |
Activated sludge process | 1984-01-30 | Ceased | GB2153243 |
Pipe replacement | 1982-01-22 | Granted | GB2113795 |
Transfer of oxygen into waste water | 1981-01-28 | Ceased | GB2072027 |
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