| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 5 | |
| #2 | United States | 5 | |
| #3 | Canada | 4 | |
| #4 | France | 4 | |
| #5 | United Kingdom | 4 | |
| #6 | Sweden | 3 | |
| #7 | Australia | 2 | |
| #8 | Belgium | 2 | |
| #9 | Switzerland | 2 | |
| #10 | Denmark | 2 | |
| #11 | Netherlands | 2 | |
| #12 | Spain | 1 | |
| #13 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Locks | |
| #3 | Bolts for doors or windows | |
| #4 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mcburnie S G | 13 |
| #2 | Mcburnie Stuart G | 9 |
| #3 | Rocher Michel L E | 6 |
| #4 | Jorgensen William A W | 6 |
| #5 | Mcburnie S | 4 |
| #6 | Fortt W G | 3 |
| #7 | Rocher M L E | 3 |
| #8 | Mcburnie Stuart Glen | 2 |
| #9 | Rocher Michel Louis Emile | 2 |
| #10 | Fortt William G | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US3858918A | Convertible privacy-passage lock set | |
| US3811719A | Door latching assembly | |
| US3611762A | Door locking device | |
| US3608939A | Convertible latch set | |
| US3508777A | Door latch apparatus | |
| CA845003A | Door latch apparatus |