NORSK HYDRO ASA

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B22D CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES 1138
 
  
 
C25C PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR 910
 
  
 
C22F CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS OR NON-FERROUS ALLOYS 631
 
  
 
B01D SEPARATION 5129
 
  
 
C22C ALLOYS 567
 
  
 
C25B ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON- METALS; APPARATUS THEREFOR 530
 
  
 
B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYERS FOR LOADING OR TIPPING; SHOP CONVEYER SYSTEMS; PNEUMATIC TUBE CONVEYERS 463
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 3203
 
  
 
A01N PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF 293
 
  
 
A23K FODDER229

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0023,206 AN ANODE FOR USE IN AN ELECTROLYSIS PROCESS FOR PRODUCTION OF ALUMINIUM IN CELLS OF HALL-HÉROULT TYPE, AND A METHOD FOR MAKING SAMEFeb 09, 16Jan 25, 18[C25C]
2017/0350,028 A MODIFIED ELECTROLYSIS CELL AND A METHOD FOR MODIFYING SAMEDec 22, 15Dec 07, 17[C25C]
2017/0009,322 METHOD FOR THE MANUFACTURING OF PRODUCTS WITH ANODIZED HIGH GLOSS SURFACES FROM EXTRUDED PROFILES OF AL-MG-SI OR AL-MG-SI CU EXTRUSION ALLOYSMar 24, 15Jan 12, 17[C22F, B22D, B21B, C22C]
2016/0222,499 METHOD FOR THE MANUFACTURING OF AL-MG-SI AND AL-MG-SI-CU EXTRUSION ALLOYSAug 28, 14Aug 04, 16[C22F, C21D, C22C]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9840761 Al—Mg—Si aluminium alloy with improved propertiesApr 25, 13Dec 12, 17[C22F, C22C]
9732981 Method and equipment for heat recoveryNov 25, 13Aug 15, 17[F24H, C25C, F28D, F27D, F28F, B01D]
9616633 Screw extruder for continuous extrusion of materials with high viscosityNov 19, 07Apr 11, 17[B29C, B21C, B30B]
9435186 Sub sea processing systemOct 19, 07Sep 06, 16[E21B]
9217204 Control of temperature and operation of inert electrodes during production of aluminum metalAug 15, 03Dec 22, 15[C25C, C25B]
9163302 Castable heat resistant aluminium alloyJun 16, 11Oct 20, 15[F02F, C22C]
9068107 Process for stimulating production of methane from petroleum in subterranean formationsMay 27, 05Jun 30, 15[C09K, C12P]
8905119 Casting equipment starter blockOct 17, 11Dec 09, 14[B22D]
8800636 Equipment for the removal of billets after castingMar 29, 10Aug 12, 14[B22D]
8561669 Casting equipment for the casting of sheet ingotSep 07, 09Oct 22, 13[B22D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8413711 Arrangement related to equipment for continuous or semi-continuous casting of metalExpiredNov 26, 08Apr 09, 13[B22D]
2013/0064,981 METHOD FOR MAKING AN ABSORBER COATING FOR SOLAR HEATING, THE COATING AS SUCH AND ITS APPLICATIONAbandonedJul 10, 12Mar 14, 13[C09D]
8087134 Process for making a heat exchangerExpiredDec 20, 05Jan 03, 12[B23P, B21D]
8075770 Flotation deviceExpiredNov 16, 07Dec 13, 11[C02F]
8051622 Uninsulated section suitable for producing insulated sections for thermal break window and door frames and associated method of assemblyExpiredOct 22, 10Nov 08, 11[E04B]
2011/0176,986 METHOD AND A REACTOR FOR PRODUCTION OF HIGH-PURITY SILICONAbandonedMar 14, 08Jul 21, 11[C01B, B01J]
2011/0099,937 Uninsulated section suitable for producing insulated sections for thermal break window and door frames and associated method of assemblyAbandonedOct 22, 10May 05, 11[E06B, E04C]
7841139 Uninsulated section suitable for producing insulated sections for thermal break window and door frames and associated method of assemblyExpiredJul 30, 07Nov 30, 10[E06B]
7828914 Method for producing aluminum alloy sheet material and an aluminium alloy sheetExpiredMar 19, 04Nov 09, 10[C22F]
2010/0166,634 METHOD AND A REACTOR FOR PRODUCTION OF HIGH-PURITY SILICONAbandonedMar 17, 08Jul 01, 10[C01B, C25C]
2010/0129,281 A PROCESS FOR THE RECYCLING OF HIGH PURITY SILICON METALAbandonedApr 18, 08May 27, 10[C01B]
2010/0031,859 Combustion InstallationAbandonedNov 23, 06Feb 11, 10[F23L, F23C]
2010/0008,841 Method for the Manufacture of Silicon TetrachlorideAbandonedMay 04, 07Jan 14, 10[C01B]
2009/0321,273 Method and an electrolysis cell for production of a metal from a molten chlorideAbandonedSep 17, 07Dec 31, 09[C25C]
2009/0229,202 HALF-SHELL FOR FORMING THERMAL BREAK DOOR AND WINDOW FRAMES OR THE LIKE, ASSOCIATED SECTION AND ASSOCIATED ASSEMBLY PROCESSAbandonedOct 03, 08Sep 17, 09[E06B, E04B]
2009/0226,660 HEAT INSULATING BODY FOR FORMING SECTIONS FOR THERMAL BREAK DOOR AND WINDOW FRAMESAbandonedOct 03, 08Sep 10, 09[E04B, B32B]
7559244 Arrangement or provision of a sensor or probe for the measuring of a condition in a pipe or the likeExpiredSep 09, 05Jul 14, 09[G01L]
2009/0116,999 Aluminium Alloy With Improved Crush PropertiesAbandonedFeb 16, 07May 07, 09[C22C]
2008/0263,832 Reactor for Mixing and Reacting Two or More Fluids As Well As Transferring Heat Between Said Fluids and a Method for Operating Said ReactorAbandonedJun 21, 06Oct 30, 08[B01J]
2008/0168,724 Curtain-wall assemblyAbandonedNov 28, 07Jul 17, 08[E04B, E04C, E04G]

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