Inventor

Hoichi Leung

Inventor

Hong Kong, CN

Overview

1→

Patents

2014

Patent span

Fixed constructions

Primary field (CPC E)

Patents· 1 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

E05Cprimary

E05CBolts or fastening devices for wings, specially for doors or windows20%

E05DHinges or suspension devices for doors, windows or wings20%

E05FDevices for moving wings into open or closed position20%

E05YIndexing scheme associated with subclasses e05d and e05f, relating to construction elements, electric control, power supply, power signal or transmission, user interfaces, mounting or coupling, details, accessories, auxiliary operations not otherwise provided for, application thereof20%

G08BSignalling systems, e.g. personal calling systems20%

PatentTitleYear

8,769,873'Casement window with multi-angle locking window sash'2014

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2014Patents assigned to FENG LIN (1)· patent assignee history

2014Patents assigned to LEUNG HOICHI (1)· patent assignee history

2014Patents assigned to LEUNG LOK SHUN (1)· patent assignee history

2014Patents assigned to SHENZHEN QICHUANGMEI TECHNOLOGY CO LTD (1)· patent assignee history

2014Based in Hong Kong, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
FENG LIN	1	2014
LEUNG HOICHIself	1	2014
LEUNG LOK SHUN	1	2014
SHENZHEN QICHUANGMEI TECHNOLOGY CO LTD	1	2014

Locations

Location	Patents	Span
Hong Kong, CN	1	2014