| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | Canada | 5 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Machine tools | |
| #3 | Chemical engineering | |
| #4 | Engines, pumps and turbines | |
| #5 | Mechanical elements | |
| #6 | Furniture and games | |
| #7 | Civil engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mcgrath John T | 13 |
| #2 | Wilson Lyndon F | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2164934A | Supply valve | |
| US2088864A | Tank valve | |
| US1693205A | Necktie stretcher | |
| US1667388A | Flue cleaning, cutting, and handling machine | |
| US1264318A | Pneumatic tool. | |
| US1293836A | Apparatus for reclaiming boiler-tubes. | |
| CA168648A | Dish washing machine | |
| CA168355A | Dish washing machine | |
| US694981A | Pneumatic drill. | |
| US680166A | Flue-cutter. | |
| CA198007A | Walking chair | |
| CA289386A | Blow-off cock | |
| CA237014A | Tube cleaner |