| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Engines, pumps and turbines | |
| #3 | Electrical machinery and energy | |
| #4 | Control | |
| #5 | Machine tools | |
| #6 | Thermal processes | |
| #7 | Mechanical elements | |
| #8 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Pumps | |
| #3 | Electric switches | |
| #4 | Burners | |
| #5 | Systems controlling non-electric variables | |
| #6 | Venting or aerating devices | |
| #7 | Shirts and underwear | |
| #8 | Spraying devices | |
| #9 | Percussive tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Dunlap Harley M | 11 |
| #2 | Putnam Delmer M | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1600325A | Electric switch | |
| US1390513A | Pump | |
| US1227762A | Air-pump. | |
| US924751A | Bifurcated garment. | |
| US885985A | Pneumatic tool. | |
| CA65037A | Pressure regulators and connections | |
| CA66976A | Spray tube for atomizers | |
| CA69531A | Valve | |
| US646491A | Spray-tube for atomizers. | |
| US632808A | Pressure-regulator and connection. | |
| US629894A | Stop-cock or valve. |