Shi; Zhengbao

Patent Applications and Registrations

Patent applications and USPTO patent grants for Shi; Zhengbao.The latest application filed is for "overspeed protection switch, overspeed governor assembly and elevator system".

Company Profile

9.6.10

Shi; Zhengbao - Shanghai 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

Patent	Date
Governor assembly and elevator system Grant 11,414,298 - Shi August 16, 2	2022-08-16
Overspeed protection switch, overspeed governor assembly and elevator system Grant 11,365,091 - Shi June 21, 2	2022-06-21
Ring assembly for elevator governor, governor and elevator system Grant 11,078,044 - Shi August 3, 2	2021-08-03
Remote triggering device, overspeed governor assembly and elevator Grant 10,759,631 - Shi , et al. Sep	2020-09-01
Governor assembly and elevator Grant 10,745,245 - Shi , et al. A	2020-08-18
Overspeed Protection Switch, Overspeed Governor Assembly And Elevator System App 20200172376 - Shi; Zhengbao	2020-06-04
Remote Triggering Device, Overspeed Governor Assembly And Elevator System App 20200109032 - Shi; Zhengbao	2020-04-09
Overspeed Protection Switch, Overspeed Governor Assembly And Elevator System App 20200102190 - Shi; Zhengbao	2020-04-02
Governor Assembly And Elevator System App 20190330019 - Shi; Zhengbao	2019-10-31
Governor of elevator Grant 10,442,661 - Shi , et al. Oc	2019-10-15
Governor Assembly And Elevator System App 20190127180 - Shi; Zhengbao	2019-05-02
Actuator, Remote Triggering Device, Governor Assembly And Elevator App 20190127179 - Shi; Zhengbao	2019-05-02
Ring Assembly For Elevator Governor, Governor And Elevator System App 20180201480 - Shi; Zhengbao	2018-07-19
Remote Triggering Device, Overspeed Governor Assembly And Elevator App 20180118515 - Shi; Zhengbao ; et al.	2018-05-03
Governor Assembly And Elevator App 20180037438 - Shi; Zhengbao ; et al.	2018-02-08
Governor Of Elevator App 20180029828 - Shi; Zhengbao ; et al.	2018-02-01

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