LECO CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
H01J ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS 5576
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 30176
 
  
 
B01D SEPARATION 12122
 
  
 
F27B FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS1212
 
  
 
H05B ELECTRIC HEATING; ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR 8103
 
  
 
F27D DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE 520
 
  
 
B01L CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE 454
 
  
 
G01J MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED, VISIBLE OR ULTRA-VIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY 474
 
  
 
G01K MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR 442
 
  
 
B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYERS FOR LOADING OR TIPPING; SHOP CONVEYER SYSTEMS; PNEUMATIC TUBE CONVEYERS 265

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0338,088 Electrostatic Trap Mass Spectrometer With Improved Ion InjectionAug 07, 17Nov 23, 17[H01J]
2017/0263,426 Dynamic Baseline AdjusterMar 09, 17Sep 14, 17[H01J]
2017/0025,265 Right Angle Time-of-Flight Detector With An Extended Life TimeMar 31, 15Jan 26, 17[H01J, G01T]
2016/0035,558 Multi-Reflecting Mass SpectrometerMar 14, 13Feb 04, 16[H01J]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9879915 Combustion tube and seal assemblyOct 07, 14Jan 30, 18[H05B, F27B, F27D]
9881780 Multi-reflecting mass spectrometer with high throughputApr 23, 14Jan 30, 18[H01J]
9874399 Cylindrical combustion tube and mounting assemblyOct 07, 14Jan 23, 18[H05B, F27B, F27D]
9874400 Furnace combustion tube and mounting assemblyOct 07, 14Jan 23, 18[H05B, F27B, F27D]
9865445 Multi-reflecting mass spectrometerMar 14, 13Jan 09, 18[H01J]
9808797 Resistance analytical furnaceJun 18, 13Nov 07, 17[B01L, G01N]
9786482 Ion trap mass spectrometerJul 13, 15Oct 10, 17[H01J]
9786484 Method and apparatus for decoding multiplexed information in a chromatographic systemMay 15, 15Oct 10, 17[H01J, B01D]
9779923 Method and system for tandem mass spectrometryMar 14, 14Oct 03, 17[H01J]
9768007 Ion trap mass spectrometerJul 13, 15Sep 19, 17[H01J]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0233,642 CONCENTRIC HEATER FOR A CYLINDRICAL COMBUSTION TUBEAbandonedJan 28, 15Aug 20, 15[F27D]
2015/0051,843 Systems and Methods to Process Data in Chromatographic SystemsAbandonedSep 11, 12Feb 19, 15[G01N]
2015/0046,096 Systems and Methods to Process and Group Chromatographic PeaksAbandonedJan 16, 13Feb 12, 15[H01J]
2014/0267,679 INDENTATION HARDNESS TEST SYSTEM HAVING AN AUTOLEARNING SHADING CORRECTORAbandonedMar 13, 13Sep 18, 14[G06K]
2012/0114,009 FORWARD-FLYBACK POWER SUPPLY USING AN INDUCTOR IN THE TRANSFORMER PRIMARY AND METHOD OF USING SAMEAbandonedNov 04, 10May 10, 12[H02M, H05B]
7375569 Last stage synchronizer systemExpiredSep 14, 06May 20, 08[G05B]
2008/0083,873 DEVICE AND METHOD FOR INTRODUCING MULTIPLE LIQUID SAMPLES AT ATMOSPHERIC PRESSURE FOR MASS SPECTROMETRYAbandonedOct 04, 07Apr 10, 08[H01J]
2007/0187,585 TANDEM TIME-OF-FLIGHT MASS SPECTROMETER AND METHOD OF USEAbandonedMar 27, 07Aug 16, 07[H01J]
6316768 Printed circuit boards as insulated components for a time of flight mass spectrometerExpiredMar 14, 97Nov 13, 01[H01J]
6180069 Cleaning system and method for cleaning a flow restrictor in a supercritical fluid extraction systemExpiredFeb 18, 99Jan 30, 01[B01D]
5879634 High pressure containment assemblyExpiredFeb 28, 97Mar 09, 99[B65D, B01D]
5777326 Multi-anode time to digital converterExpiredNov 15, 96Jul 07, 98[H01J]
5547876 Combustion accelerators, processes for their production and processes for their use in elemental analysisExpiredSep 27, 94Aug 20, 96[G01N]
5395586 Sample autoloader for use with an analytical combustion furnaceExpiredMar 15, 94Mar 07, 95[G01N, B65G, B66C]
5315091 Resistively heated sample preparation apparatusExpiredMar 02, 93May 24, 94[F27D, B22D]
5313047 Analytical sample preparation systemExpiredMar 02, 93May 17, 94[F27B]
5277493 Analytical sample preparation systemExpiredMar 06, 92Jan 11, 94[B01F]
5269827 Analytical sample preparation systemExpiredMar 01, 91Dec 14, 93[C03B]
5236353 Vertical combustion furnaceExpiredMar 06, 92Aug 17, 93[F27B, G01N]
5234235 Connection apparatusExpiredNov 30, 92Aug 10, 93[F16L]

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