| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 20 | |
| #2 | Canada | 4 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Thermal processes | |
| #3 | Mechanical elements | |
| #4 | Packaging and shipping | |
| #5 | Machine tools | |
| #6 | Engines, pumps and turbines | |
| #7 | Transport | |
| #8 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Pipes | |
| #3 | Domestic stoves for solid fuels | |
| #4 | Domestic stoves | |
| #5 | Venting or aerating devices | |
| #6 | Pumps | |
| #7 | Vehicles drawn by animals | |
| #8 | Office furniture | |
| #9 | Hand-held cutting tools | |
| #10 | Cranes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Campbell William A | 23 |
| #2 | Mcwilliam Charles | 1 |
| #3 | Henderson Andrew J | 1 |
| #4 | Robert Givens | 1 |
| #5 | Loiseau Emile | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3035346A | Tool for hair-cutting and other purposes | |
| US2136489A | Combined seat and automatic closure for dry closets | |
| US2102509A | Razor blade sharpener | |
| US1393083A | Vise | |
| US1359790A | Loading and unloading device | |
| US1367457A | Heating-stove | |
| US1277290A | Combination-tool. | |
| US1170412A | Valve for tires. | |
| US1118395A | Pitcher-forming attachment for milk-bottles and the like. | |
| US1126171A | Valve structure. | |
| US1130475A | Hose-coupling. | |
| US1121797A | Pump. | |
| US1119806A | Heating and baking furnace. | |
| US1084844A | Steering-gear for automobiles. | |
| US1046734A | Cooking-cabinet. | |
| US912808A | Plow and scraper. | |
| US962815A | Skid. | |
| US878769A | Kitchen-cabinet table. | |
| US988077A | Nursing-stove. | |
| US719564A | Draft-equalizer. |