| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 18 | |
| #2 | United States | 18 | |
| #3 | Spain | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements | |
| #3 | Measurement | |
| #4 | Control | |
| #5 | Electrical machinery and energy | |
| #6 | Audio-visual technology | |
| #7 | Optics | |
| #8 | Engines, pumps and turbines | |
| #9 | Consumer goods |
| # | Name | Total Patents |
|---|---|---|
| #1 | Larner Chester W | 36 |
| #2 | Kruse Otto V | 1 |
| #3 | Taylor Harvey Birchard | 1 |
| #4 | Sanford Sydney J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2192499A | Valve | |
| US2262807A | Flow meter | |
| US2085162A | Sound recording and reproducing mechanism | |
| US1816049A | Article of personal equipment | |
| US1801049A | Valve | |
| US1887650A | Light controlling apparatus | |
| US1829703A | Valve | |
| US1505208A | Branch or y-pipe structure | |
| US1679774A | Valve | |
| US1514975A | Rate or flow controller | |
| US1373081A | Plunger-valve | |
| US1362331A | Means for controlling valves | |
| CA189516A | Valve | |
| US1408611A | Operating mechanism | |
| US1284197A | Valve control. | |
| US1370130A | Valve | |
| US1263778A | Taper-plug valve. | |
| US1422212A | Governor-operated pressure regulator | |
| CA165575A | Hydraulic valve | |
| US1171857A | Load-sustaining device for vertical water-wheels. |