Gum Gee Lee

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Seoul, KR

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Patents Grantslast 30 patents

Information Patent Grant
Elevator having function of removing dust adhered to object aboard
- Patent number 12,103,821
- Issue date Oct 1, 2024
- Gumyoung General Co., Ltd.
- Gum-Gee Lee
- B08 - CLEANING
Information Patent Grant
Emergency stop device with attached hand brake system
- Patent number 9,446,930
- Issue date Sep 20, 2016
- Gumyoung General Co., Ltd.
- Gum Gee Lee
- B66 - HOISTING LIFTING HAULING
Information Patent Grant
Apparatus and method for testing braking performance
- Patent number 8,429,959
- Issue date Apr 30, 2013
- Gumyoung General Co., Ltd.
- Gum Gee Lee
- B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

Information Patent Application
ELEVATOR HAVING FUNCTION OF REMOVING DUST ADHERED TO OBJECT ABOARD
- Publication number 20210395044
- Publication date Dec 23, 2021
- GUMYOUNG GENERAL CO., LTD.
- Gum-Gee Lee
- B08 - CLEANING
Information Patent Application
EMERGENCY STOP DEVICE WITH ATTACHED HAND BRAKE SYSTEM
- Publication number 20140158471
- Publication date Jun 12, 2014
- GUMYOUNG GENERAL CO., LTD.
- Gum Gee Lee
- B66 - HOISTING LIFTING HAULING
Information Patent Application
APPARATUS AND METHOD FOR TESTING BRAKING PERFORMANCE
- Publication number 20120060597
- Publication date Mar 15, 2012
- GUMYOUNG GENERAL CO., LTD.
- Gum Gee Lee
- B66 - HOISTING LIFTING HAULING