| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 8 | |
| #2 | Canada | 3 | |
| #3 | Austria | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements | |
| #3 | Civil engineering | |
| #4 | Control | |
| #5 | Environmental technology | |
| #6 | Engines, pumps and turbines | |
| #7 | Transport |
| # | Name | Total Patents |
|---|---|---|
| #1 | Marsh Elon A | 12 |
| Publication | Filing date | Title |
|---|---|---|
| US1026101A | Centrifugal pump. | |
| US882905A | Pneumatic tire. | |
| US758012A | Flush-valve. | |
| US723698A | Supply-valve. | |
| US717236A | Flush-valve. | |
| CA67295A | Valve | |
| US643906A | Supply-valve. | |
| US665247A | Flush-valve. | |
| US651927A | Pressure-regulating valve. | |
| CA14431A | Improvement on steam engine valve gears | |
| CA35258A | Steam valve for steam pumps, etc. |