EP 3568310 A1 20191120 - FLEXIBLE HELICAL HEATER
Title (en)
FLEXIBLE HELICAL HEATER
Title (de)
FLEXIBLER SPIRALFÖRMIGER HEIZER
Title (fr)
DISPOSITIF DE CHAUFFAGE HÉLICOÏDAL FLEXIBLE
Publication
Application
Priority
US 2018014472 W 20180119
Abstract (en)
[origin: WO2019143355A1] A heater having a helical electrical resistance heating wire connected to and coiled around a current return wire. The heater is employed in thermal conduction heater wells used for removing contaminants from soil, groundwater or rock.
IPC 8 full level
CPC (source: EP)
B09C 1/062 (2013.01); H05B 3/54 (2013.01); F24H 1/0072 (2013.01)
Citation (search report)
See references of WO 2019143355A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
WO 2019143355 A1 20190725; BR 112019015502 A2 20200728; CA 3051115 A1 20190725; CN 110290953 A 20190927; EP 3568310 A1 20191120
DOCDB simple family (application)
US 2018014472 W 20180119; BR 112019015502 A 20180119; CA 3051115 A 20180119; CN 201880004620 A 20180119; EP 18900597 A 20180119