BWX TECHNOLOGIES, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G21C NUCLEAR REACTORS 340
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 2204
 
  
 
B01D SEPARATION 1133
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
  
 
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 1100
 
  
 
E04B GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS 146
 
  
 
G21F PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR 121
 
  
 
G21G CONVERSION OF CHEMICAL ELEMENTS; RADIOACTIVE SOURCES 116

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9875818 Fail-safe reactivity compensation method for a nuclear reactorOct 11, 12Jan 23, 18[G21C]
9754688 Suspended upper internals for compact nuclear reactor including a lower hanger plateApr 12, 13Sep 05, 17[G21C]
5837898 Electromagnetic acoustic transducer (EMAT) for ultrasonic inspection of liquids in containersAug 29, 96Nov 17, 98[G01N]
5596611 Medical isotope production reactorNov 10, 94Jan 21, 97[G21G]
5587025 Nuclear steam generator chemical cleaning passivation solutionMar 22, 95Dec 24, 96[C23C]
5549831 Method for processing chemical cleaning solvent wasteAug 08, 95Aug 27, 96[B01D]
5237874 Rotating electromagnetic acoustic transducer for metal inspectionOct 07, 91Aug 24, 93[G01N]
5201152 Containment device for contaminated building demolitionJul 31, 92Apr 13, 93[E04B]
5180540 Fuel rod consolidation structureMar 25, 91Jan 19, 93[G21F, G21C]
5117548 Apparatus for loosening a mechanical plug in a heat exchanger tubeMay 20, 91Jun 02, 92[B23P]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2008/0296,277 INDUCTION HEATED, HOT WIRE WELDINGAbandonedMay 31, 07Dec 04, 08[B23K]
2005/0103,519 Low loss superconducting cable in conduit conductorAbandonedNov 18, 03May 19, 05[H01B]
6574951 Solar thermal rocketExpiredMay 28, 02Jun 10, 03[H05B]
6495790 Plasma arc keyhole welding stability and quality through titanium nitride additionsExpiredMay 18, 01Dec 17, 02[B23K]
2002/0131,919 Modular fuel processing system for plate reforming type unitsAbandonedMar 15, 01Sep 19, 02[B01J]
6291795 Unfocused laser beam delivery systemExpiredNov 09, 99Sep 18, 01[B23K]
6034324 Modular high temperature superconducting down lead with safety leadExpiredNov 12, 97Mar 07, 00[H01B]
5783941 Technique for magnetic alignment of an octant for fusion toroidal magnetExpiredFeb 01, 95Jul 21, 98[G01R]
5718034 Aluminum stabilized superconductor supported by aluminum alloy sheathExpiredSep 12, 96Feb 17, 98[H01L]
5661646 Multi-phase DC-DC chopper with different number of phasesExpiredSep 25, 96Aug 26, 97[H02M]
5620798 Aluminum stabilized superconductor supported by aluminum alloy sheathExpiredMay 17, 95Apr 15, 97[B32B]
5608164 Electromagnetic acoustic transducer (EMAT) for ultrasonic inspection of liquids in containersExpiredJul 27, 95Mar 04, 97[G01N]
5528210 W-shaped superconducting electromagnetic system for magnetic levitation vehiclesExpiredNov 10, 94Jun 18, 96[H01F, B60L]
5459996 Hybrid solar rocket utilizing thermal storage for propulsion and electrical powerExpiredAug 29, 94Oct 24, 95[F02G]
5410578 Nuclear propulsion rocketExpiredSep 18, 92Apr 25, 95[G21D]
5408510 Thermionic nuclear reactor with flux shielded componentsExpiredApr 11, 94Apr 18, 95[G21C]
5406601 Transport and storage cask for spent nuclear fuelExpiredMay 02, 94Apr 11, 95[G21F]
5329564 Passive cooling system for a nuclear reactorExpiredApr 30, 93Jul 12, 94[G21C]
5289512 Nuclear propulsion reactorExpiredJun 08, 92Feb 22, 94[G21D]
5268940 Reactor upper internals inspection deviceExpiredNov 02, 92Dec 07, 93[G21C]

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