| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 50 | |
| #2 | Canada | 23 | |
| #3 | United Kingdom | 9 | |
| #4 | France | 7 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Machines | |
| #3 | Control | |
| #4 | Thermal processes | |
| #5 | Measurement | |
| #6 | Consumer goods |
| # | Name | Total Patents |
|---|---|---|
| #1 | Persons Lawrence M | 34 |
| #2 | Persons Lawrence Marston | 8 |
| #3 | Bower George D | 6 |
| #4 | Pratt Ryder | 4 |
| #5 | Garner Claude Mcdaniel | 3 |
| #6 | Yeida John O | 3 |
| #7 | Garner Claude M | 2 |
| #8 | Bower George Dillon | 2 |
| #9 | Newman Eric P | 2 |
| #10 | Rodgers James A | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US2407438A | Burner control | |
| US2392065A | Thermostatic switch | |
| US2335985A | Hose clamp | |
| US2395604A | Switch mechanism and follow-up system | |
| US2333066A | Control means | |
| US2397465A | Two-stage control | |
| US2353075A | Accessory circuit switch | |
| US2346862A | Pilot circuit switch | |
| US2348951A | Control mechanism | |
| US2384153A | Heat-responsive element | |
| US2360945A | Solenoid valve operator | |
| US2388666A | Burner control mechanism | |
| US2417909A | Cyclic safety control for burners and the like | |
| US2272250A | Regulator valve | |
| US2323370A | Cyclic thermostat control | |
| US2363720A | Stoker control and circuit | |
| GB534222A | Improvements in control means for refrigerating systems | |
| US2250439A | Stack switch | |
| US2291504A | Diaphragm cutoff valve | |
| US2272249A | Hydraulic transmission |