HOWMET CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B22C FOUNDRY MOULDING 306
 
  
 
B22D CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES 2227
 
  
 
C23C COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL 2081
 
  
 
C22C ALLOYS 1557
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM12145
 
  
 
F01D NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES 857
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 780
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 4121
 
  
 
B28B SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER 325
 
  
 
C22F CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS OR NON-FERROUS ALLOYS 334

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9840918 Internal airfoil component electroplatingApr 14, 14Dec 12, 17[C25D, F01D]
9835035 Cast-in cooling features especially for turbine airfoilsMar 12, 13Dec 05, 17[F01D, B22C]
9828863 Internal turbine component electroplatingNov 03, 14Nov 28, 17[C25D, F01D]
9404372 Pt-Al-Hf/Zr coating and methodOct 31, 12Aug 02, 16[C23C, F01D, B32B, C22C]
9381569 Vacuum or air casting using induction hot toppingMar 07, 13Jul 05, 16[B22D, B22C]
9284846 Pt-Al-Hf/Zr coating and methodMay 18, 10Mar 15, 16[C23C, F01D, C22C, B32B]
9068251 Alloy for directional solidification and component made of stem-shaped crystalsOct 20, 09Jun 30, 15[C22C]
8997836 Ceramic core with composite insert for casting airfoilsOct 21, 14Apr 07, 15[B22D, B22C]
8915289 Ceramic core with composite insert for casting airfoilsMar 13, 13Dec 23, 14[B29C, B28B, F01D, B22C]
8899303 Ceramic core with composite insert for casting airfoilsMay 10, 11Dec 02, 14[B29C, B28B, B22C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0010,472 Coating and coating method for gas turbine engine componentAbandonedFeb 04, 13Jan 14, 16[C25D, F01D]
2015/0306,657 CERAMIC CASTING CORE MADE BY ADDITIVE MANUFACTURINGAbandonedApr 16, 15Oct 29, 15[C04B, B22C]
2012/0175,027 Heat Treatment of Alloys Having Elements for Improving Grain Boundary StrengthAbandonedMar 22, 12Jul 12, 12[C22F, B22D]
2012/0178,040 Apparatus and method for use in firing coresAbandonedDec 01, 08Jul 12, 12[F27D]
2011/0094,698 Fugitive core tooling and methodAbandonedOct 28, 09Apr 28, 11[B22C]
2011/0017,591 Method of making sputtering targetAbandonedSep 29, 10Jan 27, 11[C23C, B22F, B32B]
2010/0273,089 Solid oxide fuel cell electrolyte and methodAbandonedJul 01, 10Oct 28, 10[H01M]
2009/0107,592 Heat treatment of alloys having elements for improving grain boundary strengthAbandonedAug 15, 03Apr 30, 09[C22F]
2008/0269,041 Crucible for melting high chromium alloysAbandonedApr 30, 07Oct 30, 08[C04B]
2008/0011,392 Method of making sputtering target and target producedAbandonedJul 09, 07Jan 17, 08[B22D, C22C]
2007/0280,328 Melting method using graphite melting vesselAbandonedMay 16, 07Dec 06, 07[H05B]
7278460 Ceramic casting core and methodExpiredMay 10, 06Oct 09, 07[B22C]
2007/0199,676 Composite mold with fugitive metal backupAbandonedFeb 27, 06Aug 30, 07[B22C]
7258158 Increasing stability of silica-bearing materialExpiredJul 21, 05Aug 21, 07[B22C]
2007/0137,827 Die casting in investment moldAbandonedDec 19, 05Jun 21, 07[B22D]
2007/0102,073 Near-beta titanium alloy heat treated castingAbandonedOct 26, 06May 10, 07[C22F, C22C]
2007/0051,623 Method of making sputtering target and targetAbandonedAug 31, 06Mar 08, 07[C23C]
2006/0289,093 Al-Zn-Mg-Ag high-strength alloy for aerospace and automotive castingsAbandonedMay 23, 06Dec 28, 06[C22C]
2006/0213,632 Glass-forming die and methodAbandonedMar 08, 06Sep 28, 06[C03B, B22D]
6986949 Fugitive patterns for investment castingExpiredNov 25, 02Jan 17, 06[B22D]

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