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Dalian, CN
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Patents Grants
last 30 patents
Information
Patent Grant
One-wheel and bi-pole magnetic driving apparatus
Patent number
7,626,290
Issue date
Dec 1, 2009
Lingqun Li
B61 - RAILWAYS
Information
Patent Grant
Permanent magnetic levitation bogie apparatus
Patent number
7,624,686
Issue date
Dec 1, 2009
Lingqun Li
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Magnetic levitation guideway-train system
Patent number
7,587,982
Issue date
Sep 15, 2009
Lingqun Li
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Bogie apparatus
Patent number
7,527,001
Issue date
May 5, 2009
Lingqun Li
B61 - RAILWAYS
Information
Patent Grant
Seal and connection device between train compartments
Patent number
7,520,227
Issue date
Apr 21, 2009
Lingqun Li
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Permanent magnetic levitation apparatus
Patent number
7,484,462
Issue date
Feb 3, 2009
Lingqun Li
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Permanent magnetic levitation apparatus
Patent number
7,484,463
Issue date
Feb 3, 2009
Lingqun Li
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Suspending-rail permanent magnetic levitation train system
Patent number
7,380,508
Issue date
Jun 3, 2008
Lingqun Li
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Suspending-rail and dual-attraction balancing compensation type per...
Patent number
7,314,008
Issue date
Jan 1, 2008
Lingqun Li
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Hidden-rail and dual-attraction balancing compensation type permane...
Patent number
7,243,604
Issue date
Jul 17, 2007
Lingqun Li
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Multifunctional hard packing box
Patent number
5,950,855
Issue date
Sep 14, 1999
Lingqun Li
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Patents Applications
last 30 patents
Information
Patent Application
Seal and connection device between train compartments
Publication number
20070107622
Publication date
May 17, 2007
Lingqun Li
B60 - VEHICLES IN GENERAL
Information
Patent Application
Magnetic levitation guideway-train system
Publication number
20070095245
Publication date
May 3, 2007
Lingqun Li
B60 - VEHICLES IN GENERAL
Information
Patent Application
PERMANENT MAGNETIC LEVITATION BOGIE APPARATUS
Publication number
20070044677
Publication date
Mar 1, 2007
Lingqun Li
B60 - VEHICLES IN GENERAL
Information
Patent Application
Bogie apparatus
Publication number
20070046409
Publication date
Mar 1, 2007
Lingqun Li
B61 - RAILWAYS
Information
Patent Application
Permanent magnetic levitation apparatus
Publication number
20060243157
Publication date
Nov 2, 2006
Lingqun Li
B60 - VEHICLES IN GENERAL
Information
Patent Application
Permanent magnetic levitation apparatus
Publication number
20060243158
Publication date
Nov 2, 2006
Lingqun Li
B60 - VEHICLES IN GENERAL
Information
Patent Application
One-wheel and bi-pole magnetic driving apparatus
Publication number
20060244322
Publication date
Nov 2, 2006
Lingqun Li
B61 - RAILWAYS
Information
Patent Application
Suspending-rail permanent magnetic levitation train system
Publication number
20060219128
Publication date
Oct 5, 2006
Lingqun Li
B60 - VEHICLES IN GENERAL
Information
Patent Application
Hidden-rail and dual-attraction balancing compensation type permane...
Publication number
20050252407
Publication date
Nov 17, 2005
Lingqun Li
B60 - VEHICLES IN GENERAL
Information
Patent Application
Suspending-rail and dual-attraction balancing compensation type per...
Publication number
20050223934
Publication date
Oct 13, 2005
Lingqun Li
B60 - VEHICLES IN GENERAL