RADIODETECTION LIMITED patents filed

Company number: 01334448

Title	Date Filed	Status	Publication number
Remote control switching device to control separate detection of a plurality of buried conductors	2014-01-20	Granted	GB2526981
Validating Operation of an Electronic Marker Locator	2013-10-04	Awaiting First Examination	GB2518888
Electronic Marker Locator Systems and Methods	2013-05-13	Terminated	GB2514113
A signal generator generates two alternating frequencies in a concealed conductor	2011-11-04	Granted	GB2496190
A locator for locating a current carrying conductor	2011-11-04	Granted	GB2496191
A detector for detecting a current carrying conductor	2010-12-06	Granted	GB2486218
A detector for detecting a current carrying conductor	2010-12-06	Granted	GB2486219
Time-domain reflectometer	2008-03-25	Granted	GB2458653
Time domain reflectometer with error correction	2008-03-25	Terminated	GB2458654
A detector for calculating a depth of a buried conductor	2008-03-03	Granted	GB2458121
A detector for calculating the depth of a buried conductor	2008-03-03	Granted	GB2458120
A detector for calculating the distortion of an electromagnetic field produced by a buried current carrying conductor	2008-03-03	Granted	GB2458119
Electromagnetic sensing means for detecting a buried conductor	2008-02-29	Granted	GB2457956
System for and method of detecting a buried conductor	2008-02-29	Granted	GB2457955
Transmitter of a system for detecting a buried conductor	2008-02-29	Granted	GB2457953
A detector for detecting a current carrying conductor and a method of validating operations of the detector	2008-02-29	Granted	GB2457954
A detector for detecting a buried current carrying conductor	2005-06-20	Granted	GB2427475
A method of and apparatus for detecting a current carrying conductor	2005-06-20	Granted	GB2427473
A detector for detecting a buried current carrying conductor	2005-06-20	Granted	GB2427476
Determining if a buried current carrying conductor is buried above a predetermined minimum depth	2005-06-20	Granted	GB2427474
A radio mode selectivity block for a detector for detecting a buried current carrying conductor	2005-06-20	Granted	GB2427477
Cable detection apparatus and method	2004-03-31	Granted	GB2429298
Enhanced sonde recognition	2004-03-31	Terminated	GB2412737
Cable detector with decimating filter and filtering method	2004-03-31	Granted	GB2400994
Enhanced sonde recognition	2004-03-31	Terminated	GB2412738
Cable detection apparatus and method	2004-03-31	Granted	GB2400674
Optical time domain reflectometry with non-intrusive modulators	2004-01-12	Terminated	GB2409942
Vehicle for pipes, having a pair of motors	2003-11-18	Terminated	GB2408306
A vehicle for inspecting a pipe	2003-11-18	Terminated	GB2408340
Underground object locator	2003-07-31	Granted	GB2428716
Communicating with an underground object	2003-07-31	Granted	GB2404393
Underground object locator	2003-07-31	Granted	GB2404394
Comparing sideband signal quality metrics	2003-01-30	Terminated	GB2397973
Identifying fibres by transmitting unique waveforms down them	2001-12-03	Ceased	GB2375668
Conductor tracing system	2001-12-03	Ceased	GB2375400
Video inspection apparatus	2001-09-19	Granted	GB2380082
Dual reel video inspection apparatus	2001-09-19	Granted	GB2380088
Method of manufacture of an integrated camera and lighting device	2001-08-08	Ceased	GB2378523
Integrated camera and illumination device	2001-08-08	Granted	GB2378522
Signal generator	2001-05-30	Granted	GB2363010
Signal generator	2001-05-30	Granted	GB2382735
Pipeline mapping and an interrupter therefor	2001-03-21	Granted	GB2361069
Pipeline mapping	2001-03-21	Granted	GB2370648
Control of negative protection voltage	2001-03-21	Granted	GB2370583
A method of powering an electrical device	2001-03-21	Granted	GB2370582
Controlling underground objects	2000-02-04	Granted	GB2348779
Sonde locator	2000-01-24	Ceased	GB2347218
Pipe Inspection Device	1998-10-05	Granted	GB2342419
Locating objects	1998-10-01	Ceased	GB2330204
Detecting underground objects	1998-06-15	Ceased	GB2338557
Detecting underground conductors	1998-05-07	Ceased	GB2337120
Digital event timing	1997-10-09	Granted	GB2318465
Acoustic detection of underground pipes	1997-03-13	Terminated	GB2311135
Depth determination	1996-10-25	Terminated	GB2318639
Position detection	1996-08-01	Granted	GB2315866
Location of underground objects	1996-04-19	Terminated	GB2300267
Battery housing comprising a pair of resilient contacts	1996-02-05	Terminated	GB2297645
Branched conductor identification	1996-01-19	Ceased	GB2297170
Metal detector with nulling coil.	1991-12-16	Ceased	GB2262606
Cable fault tracing systems	1990-06-27	Granted	GB2255191
Detecting cable faults	1990-03-23	Ceased	GB2249841
Conductor tracing system	1990-02-12	Terminated	GB2245370
System for detecting the location and orientation of an object	1989-06-26	Granted	GB2230342
Method and apparatus for the location of underground pipes and cables	1989-04-25	Terminated	GB2220071
Method and apparatus for the location of underground pipes	1989-04-25	Terminated	GB2220070
Television camera with tilt/pan effect	1989-02-13	Ceased	GB2215941
Scanning t.v.camera	1989-02-13	Ceased	GB2215942
Improvements relating to cable fault tracing systems	1988-10-21	Ceased	GB2211621
Inductive displacement sensors	1988-02-26	Granted	GB2223590
Locating devices for soil displacement hammers	1987-11-20	Ceased	GB2214539
Improvements relating to positional information systems	1987-10-23	Ceased	GB2197078
T.v. camera with tilt/pan effect	1987-09-28	Ceased	GB2210530
Electromagnetic transducer assemblies and means for determining relative speed and/or configuration using such assemblies	1986-05-06	Terminated	GB2175096
Semi-rigid rods incorporating conductors	1986-03-07	Ceased	GB2172079
Electromagnetic detection fo underground objects	1982-03-16	Ceased	GB2116723
Detection system for concealed current carrying conductors	1981-04-23	Granted	GB2075199

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