Anna Su — 14 Patents at Otis Elevator

Anna Su has been granted 14 US patents while listed as an inventor at Otis Elevator. The first was granted in 1994 and the most recent in November 2019. Anna Su ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Anna Su in Shanghai, CN.

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #	Title	Co-Inventors	Date
10479653	Monitoring system of a passenger conveyor, a passenger conveyor, and a monitoring method thereof	Qiang Li, Jianwei Zhao, Zhaoxia Hu, LongWen Wang, Hui Fang +1 more	2019-11-19
10364130	Speed detection system of passenger conveyor and speed detection method thereof	Yanying Chen, Zhaoxia Hu, Hui Fang, Zhen Jia, Jianwei Zhao +2 more	2019-07-30
10282847	Monitoring system of a passenger conveyor and monitoring method thereof	Jianguo Li, Zhaoxia Hu, LongWen Wang, Hui Fang, Zhen Jia +7 more	2019-05-07
10221046	System of monitoring handrail for a passenger conveyer device, a passenger conveyer device and monitoring method thereof	Zhaoxia Hu, Wilfrid Fuchs, Alois Senger, Hui Fang, Zhen Jia +3 more	2019-03-05
10214391	System and method for monitoring handrail entrance of passenger conveyor	LongWen Wang, Zhaoxia Hu, Hui Fang, Zhen Jia, Jianwei Zhao +3 more	2019-02-26
10183843	Monitoring of step rollers and maintenance mechanics of passenger conveyors	Zhaoxia Hu, Jianguo Li, Alois Senger, Hui Fang, Zhen Jia +7 more	2019-01-22
10173864	System of monitoring handrail for a passenger conveyer device, a passenger conveyer device and monitoring method thereof	Zhaoxia Hu, Wilfrid Fuchs, Alois Senger, Hui Fang, Zhen Jia +3 more	2019-01-08
10071884	Detection of state of engagement between step and comb plate of passenger conveyor	Jianguo Li, Nigel Morris, Alois Senger, Jianwei Zhao, Zhaoxia Hu +7 more	2018-09-11
10059569	Monitoring system of a passenger conveyor, a passenger conveyor, and a monitoring method thereof	Hui Fang, Zhen Jia, Yanzhi Chen, Alan Matthew Finn, Arthur Hsu +6 more	2018-08-28
5674354	Method for etching a conducting layer of the step-covered structure for semiconductor fabrication	Water Lur	1997-10-07
5465003	Planarized local oxidation by trench-around technology	Water Lur, Neng-Hsing Shen	1995-11-07
5374583	Technology for local oxidation of silicon	Water Lur, Jiun-Yuan Wu	1994-12-20
5372968	Planarized local oxidation by trench-around technology	Water Lur, Neng-Hsing Shen	1994-12-13
5308786	Trench isolation for both large and small areas by means of silicon nodules after metal etching	Water Lur, Jiunn Y. Wu	1994-05-03

Anna Su — 14 Patents

Issued Patents All Time

Patent Widget