Inventor
Wei-Liang Chiang
Inventor
Chiayi, TW
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E05Bprimary
E05BLocks43%
Y10TTechnical subjects covered by former us classification36%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations7%
E05CBolts or fastening devices for wings, specially for doors or windows7%
LOC087%
PatentTitleYear
10,047,544Transmission device of electronic lock20188,881,562'Mortise lock'20148,371,627'Latch-bolt mechanism operable to allow for idle rotation of an exterior handle'20138,316,676'Re-keyable cylinder lock'2012D0660128'Door lever'20127,975,518'Re-keyable lock with improvements for preventing incomplete re-keying'20117,874,191'Cylinder lock'2011Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2011–2013Patents assigned to TONG LUNG METAL IND CO LTD (5)· patent assignee history
2011–2018Based in Chiayi, TW· patent location history
2012–2014Patents assigned to CHIANG WEI-LIANG (4)· patent assignee history
2012–2014Patents assigned to KUO CHING-CHUAN (3)· patent assignee history
2012–2014Patents assigned to SHYU SONG-GEN (3)· patent assignee history
2012–2013Patents assigned to CHANG TING-CHENG (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TONG LUNG METAL IND CO LTD | 5 | 2011–2013 |
| CHIANG WEI-LIANGself | 4 | 2012–2014 |
| KUO CHING-CHUAN | 3 | 2012–2014 |
| SHYU SONG-GEN | 3 | 2012–2014 |
| CHANG TING-CHENG | 2 | 2012–2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chiayi, TW | 7 | 2011–2018 |