| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | Canada | 3 | |
| #3 | United Kingdom | 3 | |
| #4 | Australia | 1 | |
| #5 | EPO (European Patent Office) | 1 | |
| #6 | Singapore | 1 | |
| #7 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Chemical engineering | |
| #4 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Locks | |
| #3 | Wing fittings | |
| #4 | Indexing scheme relating to hinges | |
| #5 | Venting or aerating devices | |
| #6 | Separation | |
| #7 | Bolts for doors or windows | |
| #8 | Chemical or physical processes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Degott Danny Dean | 5 |
| #2 | Linder John P | 4 |
| #3 | Sung Siho | 4 |
| #4 | Linder John Paul | 3 |
| #5 | Linder James P | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US9714534B1 | Door closer | |
| US6000733A | Presser bar mechanism | |
| GB9511560D0 | Panic bar exit mechanism | |
| AU1011195A | Panic exit door mechanism | |
| US5088786A | Panic exit door mechanism |