BUCYRUS INTERNATIONAL, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E02F DREDGING; SOIL-SHIFTING 243
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
  
 
B26D CUTTING; DETAILS COMMON TO MACHINES FOR SEVERING, e.g. BY CUTTING, PERFORATING, PUNCHING, STAMPING-OUT 136

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7814730 Profile for fitting a digger with a hoe bucket or loading shovel and method for productionDec 02, 03Oct 19, 10[E02F]
5307571 High production system bucketOct 28, 92May 03, 94[E02F]
5205678 Gear cutting toolAug 27, 92Apr 27, 93[B26D, B23P]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2011/0289,911 HYDRAULIC SYSTEM AND METHOD OF ACTIVELY DAMPING OSCILLATIONS DURING OPERATION THEREOFAbandonedJun 01, 10Dec 01, 11[F15B]
D639809 Joystick with indentsWithdrawnSep 03, 09Jun 14, 11[]
2011/0056,192 TECHNIQUE FOR CONTROLLING PUMPS IN A HYDRAULIC SYSTEMAbandonedSep 10, 09Mar 10, 11[F15B]
2011/0056,194 HYDRAULIC SYSTEM FOR HEAVY EQUIPMENTAbandonedNov 03, 10Mar 10, 11[F15B]
2009/0090,102 METHOD OF REDUCING THE LOAD OF ONE OR MORE ENGINES IN A LARGE HYDRAULIC EXCAVATORAbandonedApr 24, 07Apr 09, 09[F04B, E02F]
2009/0018,718 Method of Estimating Life Expectancy of Electric Mining Shovels Based on Cumulative Dipper LoadsAbandonedJul 11, 08Jan 15, 09[G06F]
2005/0161,132 Method and apparatus for case hardening a work pieceAbandonedJan 27, 04Jul 28, 05[C21D]
2002/0095,826 Mining shovel horizontal compensatorAbandonedSep 27, 01Jul 25, 02[E02F]
2002/0069,562 Boom suspension assemblyAbandonedSep 26, 01Jun 13, 02[E02F]
2002/0070,606 CRAWLER LINK SLIDEAbandonedDec 07, 00Jun 13, 02[B62D]
6317957 Method for fabricating an excavator baseExpiredOct 29, 98Nov 20, 01[B21D]
6121054 Method for separation of liquid and solid phases for solid phase organic synthesesExpiredNov 19, 97Sep 19, 00[G01N]
5839213 Dipper door actuated lube pumping systemExpiredJul 01, 96Nov 24, 98[F01M]
5480724 Fuser roll for fixing toner to a substrate comprising tin oxide fillersExpiredDec 14, 93Jan 02, 96[B32B]
5367798 Connector pin assembly for bucket riggingExpiredFeb 04, 93Nov 29, 94[A01B]
5349766 Boom support pendant pin retainerExpiredFeb 24, 92Sep 27, 94[E02F]
5345702 Removable pipe arch for dragline bucketsExpiredAug 11, 92Sep 13, 94[E02F]
5333510 Roller load measuring deviceExpiredJun 19, 92Aug 02, 94[G01L]
5321637 Method for measuring the weight of a suspended loadExpiredJul 22, 93Jun 14, 94[G06F, G01G]
5269061 Method for forming structural unitExpiredFeb 28, 92Dec 14, 93[B23Q]

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