loadpatents
name:-0.11531281471252
name:-0.075700044631958
name:-0.50975203514099
CRRC QINGDAO SIFANG CO., LTD Patent Filings

CRRC QINGDAO SIFANG CO., LTD

Patent Applications and Registrations

Patent applications and USPTO patent grants for CRRC QINGDAO SIFANG CO., LTD.The latest application filed is for "logic intelligent control system of train door based on intelligent control units".

Company Profile
99.126.176
  • CRRC QINGDAO SIFANG CO., LTD - Shandong CN
  • CRRC QINGDAO SIFANG CO., LTD. - Qingdao CN
  • CRRC QINGDAO SIFANG CO., LTD. - Qingdao, Shandong CN
  • CRRC QINGDAO SIFANG CO., LTD. - Shandong CN
  • CRRC QINGDAO SIFANG CO., LTD. - Shangdong CN
  • CRRC QINGDAO SIFANG CO., LTD. - Qingdao, SD CN
  • CRRC QINGDAO SIFANG CO., LTD. - Dresden DE
  • CRRC QINGDAO SIFANG CO., LTD. - Qingdao City, Shandong CN
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
Energy-absorbing anti-creeper and train vehicle with energy-absorbing anti-creeper
Grant 11,447,161 - Ding , et al. September 20, 2
2022-09-20
Interior decoration structure and railway vehicle with interior decoration structure
Grant 11,447,159 - Liu September 20, 2
2022-09-20
Train window structure and train with train window structure
Grant 11,447,165 - Ding , et al. September 20, 2
2022-09-20
Electromagnetic shielding filler, electromagnetic shielding coating comprising the same, preparation method and use thereof
Grant 11,441,050 - Sun , et al. September 13, 2
2022-09-13
Logic Intelligent Control System Of Train Door Based On Intelligent Control Units
App 20220282552 - ZHANG; An ;   et al.
2022-09-08
Laser Stitch Welding Device And Welding Method Therefor
App 20220274201 - HAN; Xiaohui ;   et al.
2022-09-01
Rail vehicle, driver's cabin and composite aluminum plate assembly
Grant 11,390,304 - Qi , et al. July 19, 2
2022-07-19
Waste exhaust ventilation door automatic control device and vehicle body having the same
Grant 11,383,740 - Yao , et al. July 12, 2
2022-07-12
Gearbox For Rail Vehicle, Bogie For Rail Vehicle And Rail Vehicle
App 20220212697 - SONG; Shuliang ;   et al.
2022-07-07
Bogie Framework Of Rail Vehicle And Bogie
App 20220212696 - ZHAO; Wei ;   et al.
2022-07-07
Roof segments for the roof of a carriage body
Grant 11,370,463 - Liu , et al. June 28, 2
2022-06-28
Semi-active Anti-yaw Damper, Damping System And Vehicle
App 20220185054 - WANG; Xu ;   et al.
2022-06-16
Power Supply Battery And Power Supply System For High-speed Maglev Trains
App 20220181723 - LIANG; Jianying ;   et al.
2022-06-09
Head module for a rail vehicle
Grant 11,352,027 - Ding , et al. June 7, 2
2022-06-07
Method And Apparatus For Determining Service Life Of Bearing
App 20220163426 - HOU; Jianwen ;   et al.
2022-05-26
Active Control Type Anti-yaw Damper, Damping System And Vehicle
App 20220154796 - WANG; Xu ;   et al.
2022-05-19
Method for producing a hollow support from a fiber composite material, core designed as a hollow body, use of said core, and use of said hollow support made from fiber composite
Grant 11,331,865 - Ding , et al. May 17, 2
2022-05-17
Pressure Regulating Apparatus In Vehicle And Regulating Method
App 20220135090 - LIU; Zhenhuan ;   et al.
2022-05-05
Crash system for a rail vehicle
Grant 11,318,967 - Ding , et al. May 3, 2
2022-05-03
Membrane electrode assembly of fuel cell and preparation method therefor
Grant 11,302,947 - Wan , et al. April 12, 2
2022-04-12
Seat Mounting Structure and Train Having Same
App 20220097737 - WANG; Xingji ;   et al.
2022-03-31
Rail Vehicle, Driver's Cabin And Composite Aluminum Plate Assembly
App 20220081013 - QI; Kaiwen ;   et al.
2022-03-17
Train Network Control System, Method And Device And Train
App 20220073114 - WANG; Xiang ;   et al.
2022-03-10
Bogie of a rail vehicle with at least two wheelsets mounted in axleboxes and at least one transverse member
Grant 11,254,335 - Ma , et al. February 22, 2
2022-02-22
Activation apparatus of railway vehicle and railway vehicle having activation apparatus
Grant 11,247,704 - Zhang , et al. February 15, 2
2022-02-15
Phase-change energy storage air duct and automobile air conditioning system
Grant 11,230,158 - Liu , et al. January 25, 2
2022-01-25
Chassis component of railway vehicle, and railway vehicle
Grant 11,225,270 - Wang , et al. January 18, 2
2022-01-18
Rail Vehicle Body Structure
App 20220009529 - DING; Sansan ;   et al.
2022-01-13
Method And Apparatus For Controlling Anti-yaw Damper
App 20220001904 - KONG; Haipeng ;   et al.
2022-01-06
Decoupling Control System And Method For Harmonic Current Of Salient Pole Synchronous Motor
App 20210408952 - KANG; Jinsong ;   et al.
2021-12-30
Train window structure and train with train window structure
Grant 11,186,298 - Li , et al. November 30, 2
2021-11-30
Collision energy absorption structure and rail vehicle having same
Grant 11,186,300 - Yu , et al. November 30, 2
2021-11-30
Double-decker rail vehicle
Grant 11,180,167 - Deng , et al. November 23, 2
2021-11-23
Magnetic Levitation Test System And Electromagnet Test Method
App 20210348984 - JIANG; Fujie ;   et al.
2021-11-11
Roof Segments For The Roof Of A Carriage Body
App 20210331718 - LIU; Shaoqing ;   et al.
2021-10-28
Side wall component of railway vehicle, and railway vehicle
Grant 11,142,227 - Wang , et al. October 12, 2
2021-10-12
Side wall component of railway vehicle, and railway vehicle
Grant 11,142,223 - Song , et al. October 12, 2
2021-10-12
Vehicle end skeleton structure and rail vehicle having same
Grant 11,142,222 - Guo , et al. October 12, 2
2021-10-12
Cab Roof Structure, Cab And Rail Train
App 20210300443 - ZHANG; Ye ;   et al.
2021-09-30
Rail vehicle
Grant 11,130,506 - Yu , et al. September 28, 2
2021-09-28
Method, system and device for controlling door of railway vehicle
Grant 11,125,006 - Chen , et al. September 21, 2
2021-09-21
Method And System For Monitoring Rail Vehicle
App 20210286350 - WANG; Junyan ;   et al.
2021-09-16
Train Window Structure and Train with Train Window Structure
App 20210284207 - DING; Sansan ;   et al.
2021-09-16
Side sliding door of railway vehicle
Grant 11,077,870 - Li , et al. August 3, 2
2021-08-03
Activation Apparatus of Railway Vehicle and Railway Vehicle Having Activation Apparatus
App 20210221408 - ZHANG; Huiqing ;   et al.
2021-07-22
Activation Control Method and Apparatus for Railway Train
App 20210221406 - LI; Xingguo ;   et al.
2021-07-22
Train
App 20210221229 - WANG; Miao ;   et al.
2021-07-22
Method And System For Detecting Harmonic Current In Synchronous Motors
App 20210223295 - KANG; Jinsong ;   et al.
2021-07-22
Collision energy absorption structure and rail vehicle having same
App 20210221413 - YU; Haiyang ;   et al.
2021-07-22
Rail transit braking energy recovery system and hybrid power rail transit
Grant 11,052,774 - Zhang , et al. July 6, 2
2021-07-06
Chassis component of railway vehicle, and railway vehicle
Grant 11,046,336 - Wang , et al. June 29, 2
2021-06-29
Microporous Layer Structure Of Fuel Cell And Preparation Method Therefor, And Fuel Cell Cathode Assembly
App 20210194028 - WAN; Nianfang ;   et al.
2021-06-24
Membrane Electrode Assembly Of Fuel Cell And Preparation Method Therefor
App 20210194029 - WAN; Nianfang ;   et al.
2021-06-24
Switch For Track Of Maglev Train
App 20210172123 - DING; Sansan ;   et al.
2021-06-10
Continuous Welding Method And Device For Hybrid Welding, Welded Finished Product, Train Body
App 20210162542 - HAN; Xiaohui ;   et al.
2021-06-03
Energy absorption device and rail vehicle having same
Grant 11,021,176 - Tian , et al. June 1, 2
2021-06-01
Electromagnetic Shielding Filler, Electromagnetic Shielding Coating Comprising The Same, Preparation Method And Use Thereof
App 20210122940 - Sun; Lin ;   et al.
2021-04-29
Electromagnetic transverse active damping system, and control method and apparatus therefor
Grant 10,960,901 - Liang , et al. March 30, 2
2021-03-30
Multi-network convergence method and device
Grant 10,939,263 - Wang , et al. March 2, 2
2021-03-02
Electromagnetic Transverse Active Damping System, And Control Method And Apparatus Therefor
App 20200377131 - LIANG; Jianying ;   et al.
2020-12-03
Rail vehicle lighting device
Grant 10,822,001 - Zhang , et al. November 3, 2
2020-11-03
System And Method For Monitoring Pressure Inside Railway Vehicle
App 20200339170 - WANG; Zongchang ;   et al.
2020-10-29
System and method for suppressing the serpentine instability of railway vehicle
Grant 10,814,731 - Chen , et al. October 27, 2
2020-10-27
Multi-network convergence method and device
App 20200336874 - WANG; Fengchao ;   et al.
2020-10-22
Process Method for Improving Welding Seam Quality of Laser Lap Welding
App 20200324371 - HAN; Xiaohui ;   et al.
2020-10-15
Nickel-Plated Carbon Fiber Film, Manufacturing Method of Nickel-Plated Carbon Fiber Film, Shielding Structure and Preparation Method of Shielding Structure
App 20200299894 - LIANG; Jianying ;   et al.
2020-09-24
Maglev Train And Moving Part Thereof
App 20200290463 - DING; Sansan ;   et al.
2020-09-17
Suspension Frame Assembly Of Magnetic Levitation Vehicle
App 20200254884 - Kind Code
2020-08-13
Vehicle body composite coating and design method thereof
Grant 10,733,339 - Zhang , et al.
2020-08-04
Beam structure and hybrid welding method thereof
Grant 10,730,145 - Han , et al.
2020-08-04
Automated Wire Drawing System For Side Wall Of Railway Vehicle, And Wire Drawing Process
App 20200180160 - LU; Hao ;   et al.
2020-06-11
Side Sliding Door Of Railway Vehicle
App 20200180664 - LI; Shanfei ;   et al.
2020-06-11
Roof component of railway vehicle, and railway vehicle
Grant 10,668,934 - Li , et al.
2020-06-02
Waste Exhaust Ventilation Door Automatic Control Device And Vehicle Body Having The Same
App 20200156668 - Yao; Shuanbao ;   et al.
2020-05-21
Energy-Absorbing Anti-Creeper and Train Vehicle with Energy-Absorbing Anti-Creeper
App 20200130715 - DING; Sansan ;   et al.
2020-04-30
Air Conditioner Platform Structure and Vehicle with Air Conditioner Platform Structure
App 20200055367 - LI; Yang ;   et al.
2020-02-20
Train connector and inserted connection member thereof
Grant 10,562,549 - Yu , et al. Feb
2020-02-18
Cross Member For Receiving Pivot Pins Having A Load Distribution Element
App 20200039539 - LIANG; Jianying ;   et al.
2020-02-06
Beam Structure And Hybrid Welding Method Thereof
App 20200023469 - HAN; Xiaohui ;   et al.
2020-01-23
Head Module For A Rail Vehicle
App 20200010098 - DING; Sansan ;   et al.
2020-01-09
Method For Connecting A Connection Piece To A U-shaped Ring Anchor For A Head Module For Rail Vehicles
App 20200001554 - DU; Jian ;   et al.
2020-01-02
Crash System For A Rail Vehicle
App 20200001903 - DING; Sansan ;   et al.
2020-01-02
Connecting Element For Attaching A Component To A Fiber Composite Structrue
App 20200001904 - MA; Yunshuang ;   et al.
2020-01-02
Coupling assembly and rail vehicle having same
Grant 10,518,789 - Zhao , et al. Dec
2019-12-31
Car Body For A Rail Vehicle
App 20190389494 - DING; Sansan ;   et al.
2019-12-26
Central traction device for straddling monorail train
Grant 10,507,847 - Zhou , et al. Dec
2019-12-17
Method For Producing A Hollow Support From A Fiber Composite Material, Core Designed As A Hollow Body, Use Of Said Core, And Use
App 20190351630 - DING; Sansan ;   et al.
2019-11-21
Railway vehicle and derailment safety device thereof
Grant 10,471,975 - Zhang , et al. Nov
2019-11-12
Alarming and unlocking device
Grant 10,464,524 - Chen , et al. No
2019-11-05
Coupling Assembly And Rail Vehicle Having Same
App 20190329800 - ZHAO; Shizhong ;   et al.
2019-10-31
Bogie Of A Rail Vehicle With At Least Two Wheelsets Mounted In Axleboxes And At Least One Transverse Member
App 20190322296 - MA; Lijun ;   et al.
2019-10-24
Method, Device and System for Controlling Fuel Cell and Rail Vehicle
App 20190305348 - WU; Donghua ;   et al.
2019-10-03
Detection method and system for pantograph arc based on train power supply system
Grant 10,416,222 - Jia , et al. Sept
2019-09-17
Motor train unit auxiliary power supply apparatus
Grant 10,411,503 - Zhou , et al. Sept
2019-09-10
Device and method for testing flow field state within high-speed train bogie cabin
Grant 10,401,257 - Han , et al. Sep
2019-09-03
Track vehicle collision testing device and track vehicle collision testing method
Grant 10,393,628 - Liu , et al. A
2019-08-27
High-speed rail train bogie and frame thereof
Grant 10,377,393 - Zhang , et al. A
2019-08-13
Railway Vehicle Carriage Structure And Railway Vehicle
App 20190241200 - CHEN; Dawei ;   et al.
2019-08-08
Rail Transit Braking Energy Recovery System And Hybrid Power Rail Transit
App 20190225089 - ZHANG; Xu ;   et al.
2019-07-25
Double-decker Rail Vehicle
App 20190217874 - DENG; Xiaojun ;   et al.
2019-07-18
Phase-change Energy Storage Air Duct And Automobile Air Conditioning System
App 20190217680 - LIU; Shaoqing ;   et al.
2019-07-18
Train Window Structure And Train With Train Window Structure
App 20190202483 - Li; Hong ;   et al.
2019-07-04
Side Wall Component of Railway Vehicle, and Railway Vehicle
App 20190168781 - SONG; Bo ;   et al.
2019-06-06
Vehicle Body Structure and Rail Train with Vehicle Body
App 20190168783 - ZHANG; Conghui ;   et al.
2019-06-06
Rail vehicle
App 20190168782 - YU; Haiyang ;   et al.
2019-06-06
Chassis Component of Railway Vehicle, and Railway Vehicle
App 20190144011 - WANG; Xiaojie ;   et al.
2019-05-16
Method, Device And System For Cutting Bogie Brake Off
App 20190135254 - WANG; Xiangbo ;   et al.
2019-05-09
Rail Vehicle Lighting Device
App 20190126818 - ZHANG; Haiyan ;   et al.
2019-05-02
Vehicle end skeleton structure and rail vehicle having same
App 20190084589 - GUO; Zhanxuan ;   et al.
2019-03-21
Side Wall Component of Railway Vehicle, and Railway Vehicle
App 20190084590 - WANG; Fei ;   et al.
2019-03-21
Chassis Component of Railway Vehicle, and Railway Vehicle
App 20190084591 - WANG; Yu ;   et al.
2019-03-21
Chassis Component of Railway Vehicle, and Railway Vehicle
App 20190077424 - WANG; Xiaojie ;   et al.
2019-03-14
Interior Decoration Structure and Railway Vehicle with Interior Decoration Structure
App 20190077423 - LIU; Bin
2019-03-14
Roof Component of Railway Vehicle, and Railway Vehicle
App 20190077421 - LI; Yang ;   et al.
2019-03-14
Sunshade Device and Railway Vehicle with Sunshade Device
App 20190077422 - CAO; Hongyong ;   et al.
2019-03-14
Method and device for transmitting signal among compartments of train
Grant 10,207,725 - Wang , et al. Feb
2019-02-19
Energy Absorption Device And Rail Vehicle Having Same
App 20190039631 - TIAN; Aiqin ;   et al.
2019-02-07
Railway vehicle and axle box structure thereof
Grant 10,196,075 - Wang , et al. Fe
2019-02-05
Interlocking control device of multiple-unit train safety circuit
Grant 10,192,694 - Niu , et al. Ja
2019-01-29
Method, System And Device For Controlling Door Of Railway Vehicle
App 20190024436 - Chen; Bo ;   et al.
2019-01-24
Alarming And Unlocking Device
App 20190023222 - CHEN; Bo ;   et al.
2019-01-24
Motor Train Unit Auxiliary Power Supply Apparatus
App 20190013695 - ZHOU; Jiansheng ;   et al.
2019-01-10
Central Traction Device For Straddling Monorail Train
App 20180345996 - ZHOU; Jinming ;   et al.
2018-12-06
Welding clamping device
Grant 10,137,539 - Zhang , et al. November 27, 2
2018-11-27
Rail vehicle bogie draw-gear
Grant 10,137,910 - Yu , et al. Nov
2018-11-27
Railway vehicle and local multi-functional member thereof
Grant 10,124,818 - Wang , et al. November 13, 2
2018-11-13
Mounting structure for equipment compartment bottom plate
Grant 10,071,751 - Yu , et al. September 11, 2
2018-09-11
Railway vehicle and chassis end plate assembly thereof
Grant 10,071,753 - Liang , et al. September 11, 2
2018-09-11
Control relay board for railway vehicle
Grant 10,051,739 - Wang , et al. August 14, 2
2018-08-14
Interlocking Control Device Of Multiple-unit Train Safety Circuit
App 20180190443 - NIU; Buzhao ;   et al.
2018-07-05
Bogie for high-speed railway vehicle
Grant 10,011,287 - Ma , et al. July 3, 2
2018-07-03
System And Method For Testing Network-side Harmonic Component Of Motor Train Unit
App 20180180651 - YU; Jin ;   et al.
2018-06-28
Railway Vehicle And Chassis End Plate Assembly Thereof
App 20180178818 - LIANG; Jianying ;   et al.
2018-06-28
Railway Vehicle And Local Multi-functional Member Thereof
App 20180178819 - WANG; Fei ;   et al.
2018-06-28
Vehicle Body Composite Coating And Design Method Thereof
App 20180173830 - ZHANG; Shixin ;   et al.
2018-06-21
Railway Vehicle And Axle Box Structure Thereof
App 20180170410 - WANG; Peidong ;   et al.
2018-06-21
Finite Element Simulation Device And Method For Car Body Local Structure Instability Of High-speed Motor Train Unit
App 20180165408 - MA; Yunshuang ;   et al.
2018-06-14
Method and device for automatically processing static test data of rail transit vehicle
Grant 9,916,331 - Shen , et al. March 13, 2
2018-03-13
Simulation system for current collecting surface of C-type contact rail
Grant 9,891,140 - Shen , et al. February 13, 2
2018-02-13
Railway vehicle and head vehicle barrier-removing device thereof
Grant 9,889,864 - Yu , et al. February 13, 2
2018-02-13
Train Connector And Inserted Connection Member Thereof
App 20170369082 - YU; Weikai ;   et al.
2017-12-28
Position-limiting device
Grant 9,809,147 - Guo , et al. November 7, 2
2017-11-07
High voltage equipment box for railway vehicle
Grant 9,806,506 - Wang , et al. October 31, 2
2017-10-31
Limit detection system for railway vehicle
Grant 9,797,714 - Wei , et al. October 24, 2
2017-10-24
Control Relay Board For Railway Vehicle
App 20170295646 - WANG; Hongbo ;   et al.
2017-10-12
High Voltage Equipment Box For Railway Vehicle
App 20170288379 - WANG; Hongbo ;   et al.
2017-10-05
Railway Vehicle And Derailment Safety Device Thereof
App 20170284032 - ZHANG; Zhenxian ;   et al.
2017-10-05
Detection Method And System For Pantograph Arc Based On Train Power Supply System
App 20170276716 - JIA; Buchao ;   et al.
2017-09-28
Colouring Method For Wrought Aluminium Alloy Welded Joint Colour Metallography
App 20170276577 - LU; Hao ;   et al.
2017-09-28
Securing system for freight wagon and freight wagon
Grant 9,758,180 - Sun , et al. September 12, 2
2017-09-12
Railway vehicle and axle box structure thereof
Grant 9,744,976 - Wang , et al. August 29, 2
2017-08-29
Welding Clamping Device
App 20170239761 - ZHANG; Shixin ;   et al.
2017-08-24
Device And Method For Testing Flow Field State Within High-speed Train Bogie Cabin
App 20170234763 - HAN; Yundong ;   et al.
2017-08-17
High-speed Rail Train Bogie And Frame Thereof
App 20170232979 - ZHANG; Zhenxian ;   et al.
2017-08-17
Mounting Structure For Equipment Compartment Bottom Plate
App 20170190338 - YU; Wenmin ;   et al.
2017-07-06
Track Vehicle Collision Testing Device And Track Vehicle Collision Testing Method
App 20170184473 - LIU; Zhixiang ;   et al.
2017-06-29
Railway Vehicle And Head Vehicle Barrier-removing Device Thereof
App 20170174233 - YU; Yangyang ;   et al.
2017-06-22
Switching circuit for implementing coupling at random end of train
Grant 9,682,714 - Xu , et al. June 20, 2
2017-06-20
Air Conditioning Unit Of Track Vehicle Mounted Under Vehicle
App 20170151961 - WANG; Zongchang ;   et al.
2017-06-01
Position-limiting Device
App 20170080845 - GUO; Jianqiang ;   et al.
2017-03-23
Simulation And Experiment Platform For High-speed Train Braking System And Experiment Method
App 20170066460 - ZHOU; Junchao ;   et al.
2017-03-09
Limit Detection System For Railway Vehicle
App 20170067733 - WEI; Jingli ;   et al.
2017-03-09
Switching Circuit For Implementing Coupling At Random End Of Train
App 20170066455 - XU; Qiang ;   et al.
2017-03-09
Method And Device For Transmitting Signal Among Compartments Of Train
App 20170057525 - WANG; Miao ;   et al.
2017-03-02
Simulation System For Current Collecting Surface Of C-type Contact Rail
App 20170052093 - SHEN; Huabo ;   et al.
2017-02-23
Securing System For Freight Wagon And Freight Wagon
App 20170050649 - SUN; Zhaojin ;   et al.
2017-02-23
Method And Device For Automatically Processing Static Test Data Of Rail Transit Vehicle
App 20170011070 - SHEN; Huabo ;   et al.
2017-01-12
Railway Vehicle And Axle Box Structure Thereof
App 20160368512 - WANG; Peidong ;   et al.
2016-12-22
Bogie For High-speed Railway Vehicle
App 20160362120 - MA; Lijun ;   et al.
2016-12-15
Train Driving Assistance Method And System
App 20160332648 - YU; Weikai ;   et al.
2016-11-17
Method And System For Interacting Rail Transit Vehicle Commissioning Task Information
App 20160335391 - BING; Chenyang ;   et al.
2016-11-17
Rail Vehicle Bogie Draw-gear
App 20160332642 - YU; Dalian ;   et al.
2016-11-17

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