DONGNAN ELEVATOR CO. LTD.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
B66B ELEVATORS; ESCALATORS OR MOVING WALKWAYS 721
 
 
 
B21F WORKING OR PROCESSING OF WIRE 119

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9840396 Fall prevention brake buffering system for high-speed mine liftMar 25, 13Dec 12, 17[B66B]
9840399 Mining elevator carrying platform and carrying methodMar 25, 13Dec 12, 17[B66B]
9688513 Specific elevator anti-fall buffer based on flexible guidanceMar 26, 14Jun 27, 17[B66B]
9394142 Mining elevator lapping platform suitable for flexible guide rail and mining elevator lapping methodMar 25, 13Jul 19, 16[B66B]
9272881 Mining elevatorAug 25, 11Mar 01, 16[B66B]
9242836 Apparatus and method for automatically adjusting the tension of a flexible guide railAug 25, 11Jan 26, 16[E21D, B21F, B66B]
9156655 Mining elevator traction cable connecting apparatus and measuring method thereforAug 25, 11Oct 13, 15[B66B]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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