| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 5 | |
| #2 | Switzerland | 2 | |
| #3 | Germany | 2 | |
| #4 | France | 2 | |
| #5 | Italy | 2 | |
| #6 | United States | 2 | |
| #7 | Belgium | 1 | |
| #8 | Canada | 1 | |
| #9 | Denmark | 1 | |
| #10 | Finland | 1 | |
| #11 | United Kingdom | 1 | |
| #12 | Netherlands | 1 | |
| #13 | Norway | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Civil engineering | |
| #3 | Control | |
| #4 | Machines | |
| #5 | Electrical machinery and energy |
| # | Technology | |
|---|---|---|
| #1 | Locks | |
| #2 | Air-conditioning | |
| #3 | Systems controlling non-electric variables | |
| #4 | Domestic heating systems | |
| #5 | Unspecified technologies | |
| #6 | Fluid heaters | |
| #7 | Electric switches |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wasserfaller Georg | 10 |
| #2 | Froeschl Siegfried | 1 |
| Publication | Filing date | Title |
|---|---|---|
| DE3241040A1 | Device for conserving energy | |
| GB2039585A | Door lock | |
| CA1121611A | Door lock | |
| US4295349A | Door lock | |
| ATA847778A | Device for energy saving | |
| ATA847878A | Door lock | |
| NL7409761A | Hotel room door lock mechanism - has catch lock pin released by with drawal of key-operated lock-tongue | |
| US3895505A | Door lock |