The Welding Institute

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
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 588
 
  
 
H01J ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 3125
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156
 
  
 
H01P WAVEGUIDES; RESONATORS, LINES OR OTHER DEVICES OF THE WAVEGUIDE TYPE 159
 
  
 
H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY 1119
 
  
 
H05H PLASMA TECHNIQUE 129

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9076626 Plasma source apparatus and methods for generating charged particle beamsMay 20, 13Jul 07, 15[H01J, H05H]
8998064 Friction stir method and a pair of workpieces joined by such methodMay 15, 07Apr 07, 15[B23K]
7910216 Process for the production of organosilsesquioxanesJun 15, 06Mar 22, 11[C08L, B32B]
7667158 Workpiece structure modificationSep 11, 03Feb 23, 10[B23K]
6670571 Surface modificationMay 17, 02Dec 30, 03[B23K]
6404115 Particle beam emitting assemblyJun 13, 00Jun 11, 02[H01J]
5813592 Friction stir weldingSep 26, 96Sep 29, 98[B23K]
5661369 Charged particle generation with a resonant electrical circuitJul 22, 94Aug 26, 97[H01J]
5460317 Friction weldingAug 01, 94Oct 24, 95[B23K]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2010/0192,693 ACOUSTIC TRANSDUCER ASSEMBLYAbandonedAug 13, 08Aug 05, 10[H01L, G01N, H04R]
2008/0318,105 Fuel Cell AssemblyAbandonedSep 26, 06Dec 25, 08[H01M]
2005/0208,338 Heat resistant productAbandonedMay 26, 05Sep 22, 05[C04B, B32B]
2005/0118,429 Coating materialsAbandonedJan 06, 05Jun 02, 05[B05D, B32B]
2004/0129,370 Joining materialAbandonedDec 29, 03Jul 08, 04[B32B]
2004/0056,006 Welding methodAbandonedSep 19, 03Mar 25, 04[B23K]
2004/0039,094 Coating compositionsAbandonedSep 22, 03Feb 26, 04[B05D, C08K]
5469617 Friction formingExpiredMar 02, 94Nov 28, 95[B23K]
5414235 Gas plasma generating system with resonant cavityExpiredMay 26, 93May 09, 95[B23K]
5262123 Forming metallic composite materials by urging base materials together under shearExpiredJun 05, 91Nov 16, 93[B22F]
5170031 Joining methodExpiredNov 04, 91Dec 08, 92[B23K]
5151571 Electron beam weldingExpiredApr 26, 91Sep 29, 92[B23K]
5054680 Bonding electrical conductorsExpiredJul 10, 90Oct 08, 91[H01L]
4959241 Surfacing methodExpiredApr 10, 89Sep 25, 90[B05D]
4871412 Bonding thermoplastic layers via electrical heatingExpiredFeb 24, 88Oct 03, 89[B32B]
4829550 Controlling charged particle beamsExpiredJan 20, 87May 09, 89[B23K]
4811887 Friction weldingExpiredJan 14, 87Mar 14, 89[B23K]
4794259 Charged particle collectionExpiredMar 19, 87Dec 27, 88[H01J]
4780882 Optical resonator and laserExpiredJan 05, 88Oct 25, 88[H01S]
4760238 Charged particle beam generationExpiredJan 20, 87Jul 26, 88[B23K]

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