MHE TECHNOLOGIES, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B66C CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES 1120
 
  
 
G21C NUCLEAR REACTORS 538
 
  
 
B25B TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING341
 
  
 
B60P VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS 236
 
  
 
G21F PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR 220
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
  
 
B61B RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR 117
 
  
 
B61D BODY DETAILS OR KINDS OF RAILWAY VEHICLES 125
 
  
 
B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYERS FOR LOADING OR TIPPING; SHOP CONVEYER SYSTEMS; PNEUMATIC TUBE CONVEYERS 166
 
  
 
B66D CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS 120

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9824781 Cask handling system and methodSep 27, 10Nov 21, 17[G21F, G21C]
9653189 Canister transfer system with independent traveling shielded bellOct 24, 08May 16, 17[G21F, G21C, B66C]
9206020 Work platform for an overhead craneDec 19, 12Dec 08, 15[B66F, B66C]
8573921 Method and a device for lifting and rotating a massive containerMay 26, 09Nov 05, 13[B60P]
8526565 Fuel transfer systemNov 21, 06Sep 03, 13[G21C]
8438713 Pin changing device and methodApr 06, 12May 14, 13[B23P, B25B, B66C]
8360203 Work platform for an overhead craneMar 08, 05Jan 29, 13[E04G]
8176611 Pin changing device and methodJun 16, 09May 15, 12[B25B, B23P, B66C]
7963579 Self-leveling bottom block assemblyNov 21, 07Jun 21, 11[B66C]
7775571 Bottom block assembly with pivoting trunnion paddlesAug 16, 07Aug 17, 10[B66C]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
7874439 Overhead craneExpiredJul 21, 05Jan 25, 11[B66C]
2002/0066,390 Bridge drive diagnostic systemAbandonedAug 08, 01Jun 06, 02[B61F]
5730855 Hoist apparatus and method for positioning anode in smelting furnaceExpiredJan 16, 96Mar 24, 98[C25C]
5706736 Polar crane and related methodExpiredJan 11, 96Jan 13, 98[B61F]
5603420 Method for using a two-drum crane for raising or lowering a loadExpiredFeb 06, 95Feb 18, 97[B66C]
5597079 Directional indicating device for detecting improper orientation of a hoist lifting lineExpiredAug 24, 95Jan 28, 97[B66C]
5549799 Hoist apparatus for positioning anode in smelting furnaceExpiredDec 31, 92Aug 27, 96[C25C]
5548198 Shared inverter electrical drive systemExpiredSep 30, 94Aug 20, 96[H02P]
5492067 System and method for maintaining plural driven components at reference positionsExpiredAug 08, 94Feb 20, 96[B61D]
5456567 Floor-running stacker crane and method for carrying hot metalExpiredDec 08, 93Oct 10, 95[B65G]
5454474 Dual weight assembly for a craneExpiredOct 13, 94Oct 03, 95[B66C]
5423438 Crane with redundant hoist arrangement and method of using sameExpiredSep 13, 93Jun 13, 95[B66D]
5400910 Stabilizing mechanism for overhead crane hoistExpiredDec 31, 92Mar 28, 95[B66C]
5398825 Warning sleeve for a pendant controlExpiredJul 28, 93Mar 21, 95[B66C]
5375936 Modular sheet display albumExpiredMar 04, 93Dec 27, 94[B42F]
5361916 Gate-handling craneExpiredSep 10, 93Nov 08, 94[B66C]
5343134 Method for checking brake torqueExpiredMay 03, 93Aug 30, 94[H02P]
5331267 Method for determining motor speed of an induction motor for a hoistExpiredFeb 11, 93Jul 19, 94[H02P]
5319292 Method and apparatus for preventing motoring while brakingExpiredJun 26, 92Jun 07, 94[F16D]
5316434 Apparatus and method for hauling material objectsExpiredMay 07, 92May 31, 94[B60P]

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