| 12371303 |
Maintenance trajectory tracing for elevator system |
Ke Yang |
2025-07-29 |
| 12305895 |
Heat pump system and method for implementing efficient evaporation by using geothermal well |
Fangming Jiang, Juanwen Chen, Jiwen Cen, Wenjiong Cao |
2025-05-20 |
| 12240732 |
Notification system and method for an elevator and an elevator system |
Lieping Wei, Heping Qiu, Jingyu Tong |
2025-03-04 |
| 12152810 |
Heat-pipe type heat extraction integrated with combined cooling power and heating exploitation-utilization integrated geothermal system |
Fangming Jiang, Juanwen Chen, Jiwen Cen, Wenjiong Cao |
2024-11-26 |
| 12111448 |
Optical camera system |
Lingbo He, Fujian Dai, Liefeng Zhao |
2024-10-08 |
| 11964847 |
System and method for detecting passengers movement, elevator-calling control method, readable storage medium and elevator system |
Lieping Wei, Heping Qiu |
2024-04-23 |
| 11874439 |
Optical imaging lens including seven lenses of −−++−+−, −+++−+− or −−++−++ refractive powers |
Lingbo He, Fujian Dai, Liefeng Zhao |
2024-01-16 |
| 11796765 |
Optical imaging system |
Lingbo He |
2023-10-24 |
| 11643299 |
Communication system and method for elevator system |
Xiaofei Guo |
2023-05-09 |
| 11598936 |
Optical imaging lens assembly |
Lingbo He, Fujian Dai, Liefeng Zhao |
2023-03-07 |
| 11584613 |
Determination for motion of passenger over elevator landing area |
Xiaofei Guo |
2023-02-21 |
| 11584616 |
Maintenance of passenger carrying system |
Ke Yang |
2023-02-21 |
| 11577930 |
Automatic elevator calling system and a method for controlling automatic calling elevator |
Xiaofei Guo, Haiyan Xue, Renxiang Chen, Heping Qiu, Lieping Wei +2 more |
2023-02-14 |
| 11524867 |
Determination of non-normal elevator calling request in an automatic elevator calling request system |
Xiaofei Guo, Haiyan Xue, Renxiang Chen, Heping Qiu, Lieping Wei +2 more |
2022-12-13 |
| D966701 |
Crossbody bag |
— |
2022-10-18 |
| 11447366 |
Determination for motion of passenger over elevator car |
Xiaofei Guo |
2022-09-20 |
| 11440768 |
Acquisition of position of elevator car |
Lieping Wei, XiaoBin Tang |
2022-09-13 |
| D963333 |
Backpack |
— |
2022-09-13 |
| 11408646 |
Ladder-structural gravity-assisted-heat-pipe geothermal energy recovery system without liquid-accumulation effect |
Fangming Jiang, Wenjiong Cao, Yiwei Wang |
2022-08-09 |
| 11332341 |
Personal mobile terminal and a method of requesting elevator service |
Jingyu Tong, Lieping Wei |
2022-05-17 |
| 10589961 |
Maintenance monitoring of passenger carrying system |
Ke Yang |
2020-03-17 |