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Inventor

Rong-Faa Wu

Inventor
Chiayi County, TW

Overview

20→
Patents
1987–2018
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 20 as inventor

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

E05Bprimary
E05BLocks42%
Y10TTechnical subjects covered by former us classification40%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
E05CBolts or fastening devices for wings, specially for doors or windows2%
PatentTitleYear
10,047,544Transmission device of electronic lock20188,621,900'Electric door lock'20147,975,518'Re-keyable lock with improvements for preventing incomplete re-keying'20117,874,191'Cylinder lock'20117,137,657'Reinforced apparatus for a lever handle of a door lock'20066,615,630'Door lock'20035,927,777'Lock set with improved spindle construction'19995,788,296'Lock set with improved spindle construction'19985,666,833'Reinforcing apparatus for a lever handle of a door lock'19975,474,346'Face plate adapted to be inserted into a bore of a door'19955,385,374'Reinforced cylindrical door lock set'19955,301,526'Lock set with improved spindle mechanism'19945,222,383'Cylinder lock'19935,102,175'Deadbolt assembly for cylinder lock'19924,927,195'Dual backset deadbolt assembly'19904,927,199'Latch assembly for cylinder lock'19904,768,817'Dead bolt assembly'19884,760,722'Cylinder lock'19884,711,477'Duplex latch bolt mechanism'19874,639,025'Adjustable dead bolt assembly'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–2014Patents assigned to TONG LUNG METAL IND CO LTD (16)· patent assignee history
1987–2018Based in Chiayi, TW· patent location history
1988–1999Based in Chiayi County, TW· patent location history
1990–1992Patents assigned to POSSE LOCK MFG (2)· patent assignee history
1992Based in Hsin-Pu Zhen, TW· patent location history
2014Patents assigned to HO TONG-YI (1)· patent assignee history
2014Patents assigned to KUO CHING-CHUAN (1)· patent assignee history
2014Patents assigned to LIN CHEN-MING (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TONG LUNG METAL IND CO LTD161987–2014
POSSE LOCK MFG21990–1992
HO TONG-YI12014
KUO CHING-CHUAN12014
LIN CHEN-MING12014
Locations
LocationPatentsSpan
Chiayi County, TW101988–1999
Chiayi, TW91987–2018
Hsin-Pu Zhen, TW11992