| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 16 | |
| #2 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Control | |
| #4 | Measurement | |
| #5 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Venting or aerating devices | |
| #3 | Systems controlling non-electric variables | |
| #4 | Analysing materials | |
| #5 | Pipes | |
| #6 | Belts or cables for driving | |
| #7 | Sawing | |
| #8 | Clutches and brakes | |
| #9 | Shafts |
| # | Name | Total Patents |
|---|---|---|
| #1 | Cash Arthur W | 19 |
| #2 | Rorabeck Claude | 1 |
| #3 | Lemmon Elmer F | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1190514A | Pressure reducing and regulating valve. | |
| US1180007A | Pressure-regulating valve. | |
| US1180108A | Pressure reducing and regulating valve. | |
| CA174680A | Tapping machine | |
| CA159488A | Tapping machine | |
| US1043065A | Valve. | |
| US956283A | Reducing-valve. | |
| US962075A | Pipe-union. | |
| US909545A | Valve. | |
| US831141A | Check-valve. | |
| US816216A | Back-pressure valve. | |
| US787726A | Clutch. | |
| US771044A | Freight-handler's truck. | |
| US773924A | Power-hacksaw. | |
| US771125A | Cement-testing machine. | |
| US734815A | Shaft-coupling. | |
| US713851A | Gate-valve. | |
| US687002A | Pressure-regulator. | |
| CA29152A | Type writing machine |