| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Electrical machinery and energy | |
| #3 | Engines, pumps and turbines | |
| #4 | Consumer goods | |
| #5 | Machines | |
| #6 | Thermal processes | |
| #7 | Transport | |
| #8 | Civil engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mccoy Charles W | 12 |
| Publication | Filing date | Title |
|---|---|---|
| US2607811A | High-voltage spark gap voltmeter with micrometer scale | |
| US2482017A | Ignition tester | |
| US2482016A | Ignition tester | |
| US2381609A | Ignition analyzer | |
| US2043762A | Liquid circulating system | |
| US1906704A | Liquid circulating system | |
| US2013692A | Refrigerating process and apparatus | |
| CA158743A | Refrigerating process | |
| US993537A | Crude-oil burner. | |
| US785631A | Rail-joint. | |
| CA293703A | Apparatus for circulating temperature varying liquid | |
| CA326485A | Refrigerating apparatus |