Brush Wellman, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C22C ALLOYS 1062
 
  
 
C22F CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS OR NON-FERROUS ALLOYS 928
 
  
 
B22F WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER 547
 
  
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 291
 
  
 
B22C FOUNDRY MOULDING 127
 
  
 
B22D CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES 148
 
  
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 167
 
  
 
C21D MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS 144
 
  
 
C25B ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON- METALS; APPARATUS THEREFOR 134
 
  
 
E21B EARTH OR ROCK DRILLING 195

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7056395 Dies for die casting aluminum and other metalsSep 01, 99Jun 06, 06[C22C]
6648993 Castings from alloys having large liquidius/solidus temperature differentialsMar 01, 01Nov 18, 03[C22F]
6627055 Manufacture of fine-grained electroplating anodesJul 02, 01Sep 30, 03[C25B]
6527512 Mud motorMar 01, 01Mar 04, 03[F04D]
6387195 Rapid quench of large selection precipitation hardenable alloysNov 03, 00May 14, 02[C22F]
6371224 Threaded spacerMar 09, 00Apr 16, 02[E21B]
6312534 High strength cast aluminum-beryllium alloys containing magnesiumNov 14, 97Nov 06, 01[C22C]
6190468 Metamorphic processing of alloys and products thereofAug 21, 97Feb 20, 01[C22C]
6153031 Lean, high conductivity, relaxation-resistant beryllium-nickel-copper alloysSep 07, 99Nov 28, 00[C22F]
6057989 Composite disk drive armsetFeb 25, 98May 02, 00[G11B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2010/0006,191 HIGH STRENGTH Be/Cu ALLOYS WITH IMPROVED ELECTRICAL CONDUCTIVITYAbandonedJul 09, 08Jan 14, 10[C22F, C22C]
6591894 Shot blocks for use in die castingExpiredJun 15, 01Jul 15, 03[B22D]
6589310 High conductivity copper/refractory metal composites and method for making sameExpiredMay 16, 00Jul 08, 03[C22C]
6585833 Crimpable electrical connectorExpiredMar 14, 00Jul 01, 03[C22C]
2001/0038,140 High rigidity, multi-layered semiconductor package and method of making the sameAbandonedJan 10, 01Nov 08, 01[H01L]
6307173 Weld gun arm castingExpiredDec 21, 00Oct 23, 01[B23K]
6153449 Method for creating a hermetic seal and package made therebyExpiredApr 24, 98Nov 28, 00[H01L]
6114048 Functionally graded metal substrates and process for making sameExpiredSep 04, 98Sep 05, 00[B22F]
6056186 Method for bonding a ceramic to a metal with a copper-containing shimExpiredJul 09, 97May 02, 00[B23K]
6042658 Aluminum-beryllium actuator armsetExpiredSep 15, 97Mar 28, 00[C22C]
5993731 Process for making improved net shape or near net shape metal partsExpiredNov 07, 97Nov 30, 99[B22F]
5826159 Process for retarding spontaneous combustion of powdery mixturesExpiredApr 29, 97Oct 20, 98[B22F]
5783317 Multilayer metal composite for microwave tubing and the likeExpiredMar 27, 96Jul 21, 98[H01P, B32B]
5777259 Heat exchanger assembly and method for making the sameExpiredFeb 09, 96Jul 07, 98[H01L, H05K]
5761799 Method of making multilayer metal systemExpiredSep 24, 96Jun 09, 98[H01R]
5686190 Multilayer laminate product and processExpiredMay 31, 95Nov 11, 97[B32B]
5686676 Process for making improved copper/tungsten compositesExpiredMay 07, 96Nov 11, 97[B22F, C22C]
5583317 Multilayer laminate heat sink assemblyExpiredJun 07, 95Dec 10, 96[H01L, H05K]
5475549 Magnesium-beryllium disk drive armsetExpiredJun 02, 95Dec 12, 95[G11B]
5370753 Process for cladding precious metals to precipitation hardenable materialsExpiredAug 31, 93Dec 06, 94[C22F]

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