| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 14 | |
| #2 | Taiwan | 3 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Locks | |
| #2 | Unspecified technologies | |
| #3 | Bolts for doors or windows |
| # | Name | Total Patents |
|---|---|---|
| #1 | Lin Ching-Tien | 8 |
| #2 | Lin Ching Tien | 6 |
| #3 | Lin Ching-Tian | 3 |
| Publication | Filing date | Title |
|---|---|---|
| US2020040602A1 | Door lock | |
| US2017191288A1 | Door latch assembly | |
| US2017081882A1 | Door latch assembly | |
| US2017081883A1 | Door latch assembly | |
| US2016017641A1 | Fire door lock | |
| US2014217750A1 | Latch combination for door or window | |
| US2010251788A1 | Safety door lock | |
| US2010026012A1 | Press bar mechanism | |
| US2009107189A1 | Fire door lock | |
| TW200902823A | Door handle apparatus | |
| TW200842230A | Unlocking transmission mechanism of fireproof door lock | |
| TW200821445A | Locking mechanism of press-type handle of fireproof door lock | |
| US2007114801A1 | Transmission Device for Fireproofing Door Lock | |
| US2005257583A1 | Door lock transmission mechanism |