Yajun DONG

Follow

Person

Kunshan Jiangsu province, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Handrail belt tension device for escalator
- Patent number 10,745,248
- Issue date Aug 18, 2020
- KONE ELEVATORS CO., LTD.
- Lining Liu
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Tension device for drive chain, method and escalator system using same
- Patent number 10,457,524
- Issue date Oct 29, 2019
- Kone Corporation
- Yajun Dong
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Landing cover system for escalator floor and escalator system
- Patent number 9,487,379
- Issue date Nov 8, 2016
- Kone Corporation
- Yajun Dong
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
HANDRAIL BELT TENSION DEVICE FOR ESCALATOR
- Publication number 20190241405
- Publication date Aug 8, 2019
- KONE Elevator Co., Ltd.
- Lining LIU
- B66 - HOISTING LIFTING HAULING
Information Patent Application
TENSION DEVICE FOR DRIVE CHAIN, METHOD AND ESCALATOR SYSTEM USING SAME
- Publication number 20190071286
- Publication date Mar 7, 2019
- KONE Corporation
- Yajun DONG
- B66 - HOISTING LIFTING HAULING
Information Patent Application
LANDING COVER SYSTEM FOR ESCALATOR FLOOR AND ESCALATOR SYSTEM
- Publication number 20160130118
- Publication date May 12, 2016
- KONE Corporation
- Yajun DONG
- B66 - HOISTING LIFTING HAULING