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Qiqihar Railway Rolling Stock Co Ltd
Qiqihar Railway Rolling Stock Co Ltd Dalian R x26 d Centre
  

Qiqihar Railway Rolling Stock Co Ltd patents

Recent patent applications related to Qiqihar Railway Rolling Stock Co Ltd. Qiqihar Railway Rolling Stock Co Ltd is listed as an Agent/Assignee. Note: Qiqihar Railway Rolling Stock Co Ltd may have other listings under different names/spellings. We're not affiliated with Qiqihar Railway Rolling Stock Co Ltd, we're just tracking patents.

ARCHIVE: New 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "Q" | Qiqihar Railway Rolling Stock Co Ltd-related inventors




Date Qiqihar Railway Rolling Stock Co Ltd patents (updated weekly) - BOOKMARK this page
12/24/15Bogie and axle box suspension positioning device thereof
12/24/15Swing bolster, swing bolster vibration reduction assembly and bogie
10/29/15Car-coupler buffer and rail way car
08/14/14Bottom door device and hopper car having the same
08/07/14Bottom door opening-closing mechanism, bottom door device and drop-bottom hopper car
06/19/14Bogie and side frame thereof
10/03/13Railway wagon bogie and railway wagon
01/24/13Ballast hopper car
01/10/13Bogie
01/10/13Journal box rubber pad and bogie
01/03/13Ballast hopper car discharge door control system
12/20/12Central suspension device, wagon bogie and express railway wagon
01/26/12Tank container, tank body and processing tank body
12/15/11Steel and coupler made from the same
11/03/11Draft gear
10/20/11Side wall and boxcar of railway wagon
10/13/11Freight car bogie and freight car
12/24/15Swing bolster, swing bolster vibration reduction assembly and bogie
12/24/15Bogie and axle box suspension positioning device thereof
10/29/15Car-coupler buffer and rail way car







ARCHIVE: New 2017 2016 2015 2014 2013 2012 2011 2010 2009



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This listing is an abstract for educational and research purposes is only meant as a recent sample of applications filed, not a comprehensive history. Freshpatents.com is not affiliated or associated with Qiqihar Railway Rolling Stock Co Ltd in any way and there may be associated servicemarks. This data is also published to the public by the USPTO and available for free on their website. Note that there may be alternative spellings for Qiqihar Railway Rolling Stock Co Ltd with additional patents listed. Browse our Agent directory for other possible listings. Page by FreshPatents.com

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