| Patent | Date |
|---|
Ring furnaces with improved expansion joints and bricks designed to build it
Grant 8,069,628 - Jonville , et al. December 6, 2 | 2011-12-06 |
Electrolytic cell leak limiter
Grant 7,678,244 - Despinasse , et al. March 16, 2 | 2010-03-16 |
Cathode element for use in an electrolytic cell intended for production of aluminum
Grant 7,618,519 - Bonnafous , et al. November 17, 2 | 2009-11-17 |
Method and system for cooling an electrolytic cell for aluminum production
Grant 7,527,715 - Fiot , et al. May 5, 2 | 2009-05-05 |
Method and system for controlling addition of powdery materials into the bath of an electrolysis cell for the production of aluminium
Grant 7,504,016 - Ritter , et al. March 17, 2 | 2009-03-17 |
Electrolytic Cell With a Heat Exchanger
App 20080271996 - Lamaze; Airy-Pierre ; et al. | 2008-11-06 |
Inert anode for the production of aluminium by fused bath electrolysis and method of making this anode
Grant 7,425,284 - Tailhades , et al. September 16, 2 | 2008-09-16 |
Method for regulating an electrolytic cell
Grant 7,192,511 - Bonnardel , et al. March 20, 2 | 2007-03-20 |
Method and device for detecting anode effects of an electrolytic cell for aluminum production
Grant 7,175,749 - Delclos , et al. February 13, 2 | 2007-02-13 |
Method for regulating an electrolysis cell
Grant 7,135,104 - Bonnardel , et al. November 14, 2 | 2006-11-14 |
Method of pre-heating a stack for aluminium electrolysis production
App 20060131180 - Jouaffre; Denis ; et al. | 2006-06-22 |
Aluminum production installation employing fused-salt electrolysis
App 20060086607 - Duval; Christian | 2006-04-27 |
Element for handling connectors for electrolytic cells which are used for the production of aluminum
App 20050266735 - Delescluse, Patrick | 2005-12-01 |
Part cast made from aluminum alloy with high hot strength
App 20050224145 - Laslaz, Gerard ; et al. | 2005-10-13 |
Electrolytic cell leak limiter
App 20050194249 - Despinasse, Serge ; et al. | 2005-09-08 |
Process for recovering the sodium contained in industrial alkaline waste
Grant 6,110,377 - Lamerant August 29, 2 | 2000-08-29 |
Process for coating the face of a part made of aluminum or aluminum alloy
Grant 5,643,434 - Benmalek , et al. July 1, 1 | 1997-07-01 |
Process and plant for automatic casting of semi-finished products
Grant 5,409,054 - Moriceau April 25, 1 | 1995-04-25 |
Apparatus and process for separating a material in fluidized bed form and the detection of clogging
Grant 5,299,694 - Rambaud April 5, 1 | 1994-04-05 |
Method of making thixotropic metal products by continuous casting
Grant 4,964,455 - Meyer October 23, 1 | 1990-10-23 |
Process for the electromagnetic casting of metals involving the use of at least one magnetic field which differs from the field of confinement
Grant RE32,529 - Vives October 27, 1 | 1987-10-27 |
Closed apparatus providing potential fluidization for horizontally conveying powder materials
Grant 4,659,263 - Hanrot , et al. April 21, 1 | 1987-04-21 |
Apparatus for treating a bath of liquid metal by injecting gas
Grant 4,372,541 - Bocourt , et al. February 8, 1 | 1983-02-08 |
High temperature attack of ores by means of a liquor essentially containing a soluble bicarbonate
Grant 4,296,073 - Maurel , et al. October 20, 1 | 1981-10-20 |
Method of obtaining pure alumina by acid attack on aluminous minerals containing other elements
Grant 4,177,242 - Cohen , et al. December 4, 1 | 1979-12-04 |
Method of and an apparatus for compensating the magnetic fields of adjacent rows of transversely arranged igneous electrolysis cells
Grant 4,090,930 - Morel , et al. May 23, 1 | 1978-05-23 |
Mother alloy of aluminum, titanium and boron and process for fabrication
Grant 3,961,995 - Alliot , et al. June 8, 1 | 1976-06-08 |
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