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| Application no. and date | 19712003.3 (espacenet) (Federated) (European Patent Register), 20190207 | | Patent/reg. no. and date | DK/EP 3749833, 20240417 | | Publication date | 20201216 | | Priority no. and date | GB 201802054, 20180208, GB 201814680, 20180910 | | EP pub. no. and date |
EP 3749833 20201216 | | Effective date | | | Applicant/owner | Welldata (subsurface Surveillance Systems) Ltd., Middlefoodie House
Dairsie
Cupar, Fife KY15 4RT, GB | | Applicant ref. no. | | | Inventor | LITTLEFORD, Sydney Joseph, Middlefoodie House Vantage Road
Dairsie, Fife KY15 4RT, GB | | Representative | | | Opponent | | | IPC Class | E21B 33/068 (2006.01) , E21B 47/04 (2012.01) , E21B 47/12 (2012.01) | | Title | DOWNHOLE DETECTION | | Int. application no. | GB2019050336 | | Int. publication no. | WO2019155218 | | Related patent (certificate) | | | Status | Enhedspatent registreret | | Pædiatrisk forlængelse | - | | Udløbsdato for pædiatrisk forlængelse | - |
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