| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | Canada | 4 |
| # | Industry | |
|---|---|---|
| #1 | Electrical machinery and energy | |
| #2 | Environmental technology | |
| #3 | Engines, pumps and turbines | |
| #4 | Consumer goods | |
| #5 | Weapons |
| # | Name | Total Patents |
|---|---|---|
| #1 | Berdon Albert E | 12 |
| Publication | Filing date | Title |
|---|---|---|
| US2046996A | Trigger pull compensation for firearms | |
| US1857617A | Clothes rack | |
| US1647768A | Pressure fuel-feed system | |
| US1567409A | Condenser | |
| US1108320A | Electric-current-controlling apparatus. | |
| CA148173A | Electric controller | |
| CA155201A | Electric current brush | |
| US1067580A | Electric controller. | |
| US1070102A | Electric-current brush structure. | |
| CA148172A | Electric controller | |
| US1085721A | Electromagnetic structure. | |
| CA210837A | Throttle valve mechanism |