| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 7 | |
| #2 | Germany | 3 | |
| #3 | United States | 2 | |
| #4 | Netherlands | 1 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Control | |
| #3 | Measurement | |
| #4 | Machines | |
| #5 | Mechanical elements |
| # | Name | Total Patents |
|---|---|---|
| #1 | Burch Lyndon Walkup | 6 |
| #2 | Burch Hadley Keys | 4 |
| #3 | Burch Hadley Keyes | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3573407A | Switching | |
| GB1149134A | Improvements in and relating to electrical switches | |
| US3436501A | Snap action switch using overtravel | |
| GB1008504A | Snap-acting mechanisms e.g. for electric switches | |
| GB962476A | Thermo-responsive devices | |
| GB700213A | Improvements in or relating to motion translating device |