Featured patents

Power Supply Arrangement
US 08817840 B2, Aug. 26, 2014, With power regulation, Peter Wallmeier / AEG Power Solutions B.V. (Zwanenburg, NL)
A power supply arrangement for supplying a square-wave current (12) to a load…

Integrated Process Control System for Electric Induction Metal Melting Furnaces
US 08811450 B2, Aug. 19, 2014, For charging or discharging, Peter Aruanno et al. / Inductotherm Corp. (Rancocas, US)
An integrated process control apparatus or installation for an electric induction…

Roof System for Electric Arc Furnace and Method for Manufacturing the Same
US 08780952 B2, July 15, 2014, Roof, John W. Schwer et al.
A roof system for an electric arc furnace, the system comprising:…

Low Temperature Melting Furnace and Metal Sector Using an External Cooling Passage
US 08767794 B2, July 1, 2014, Cooling, Deuk Man Kim et al. / Korea Hydro & Nuclear Power Co., Ltd. (Gyeongsangbuk-do, KR)
A low temperature melting furnace using an external cooling passage, the low…

Method for Treating Spheroidal Graphite Iron and Pouring Device Thereof
US 08767793 B2, July 1, 2014, Charging or discharging, Juren Liu et al.
A pouring electric furnace for avoiding degradated spheroidization and pouring…

Safety Device for Detecting Electrode Breakage
US 08654813 B2, Feb. 18, 2014, With electrode shield, Manfred Schubert / SMS Demag AG (Duesseldorf, DE)
A safety device (1) for detecting electrode breakage in an electric arc furnace,…

Furnace Damper Control System and Method
US 08565282 B2, Oct. 22, 2013, Arc furnace, Christopher Manning et al. / Nucor Corporation (Charlotte, US)
A method of controlling a furnace damper, the method comprising:…

Melting Furnace Having a Gas Supplying Apparatus
US 08498320 B2, July 30, 2013, With means for manipulation of the charge or melt, Hyun Je Cho et al. / Korea Hydro & Nuclear Power Co., Ltd. (Gyeongsangbuk-Do, KR)
A melting furnace comprising:…

Fastening Means for Terminals for Electrical Resistance Elements
US 08494026 B2, July 23, 2013, Mounting, Jan Andersson / Sandvik Intellectual Property AB (Sandviken, SE)
A suspension arrangement for terminals for electrical resistive elements,…

Furnace Refractory Brick Hearth System
US 08446929 B2, May 21, 2013, Hearth or crucible, Allan J. MacRae
A furnace refractory brick hearth system, comprising:…

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