| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 5 | |
| #2 | United Kingdom | 4 | |
| #3 | United States | 2 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Control |
| # | Technology | |
|---|---|---|
| #1 | Measuring speed and acceleration | |
| #2 | Systems controlling non-electric variables |
| # | Name | Total Patents |
|---|---|---|
| #1 | Rites Francis Marion | 11 |
| Publication | Filing date | Title |
|---|---|---|
| CA85928A | Compressor | |
| GB190228082A | Improvements in and relating to Governing or Regulating Apparatus for Steam Engines and the like | |
| CA87239A | Governing valve | |
| US737486A | Governor. | |
| CA65828A | Governor | |
| US646314A | Governor. | |
| CA60727A | Governor for fluid pressure engines | |
| GB189711704A | Improvements in Governing Devices for Fluid Pressure Motors. | |
| CA60726A | Fluid pressure motor governor | |
| GB189628091A | Improvements in Valve Mechanism. | |
| GB189622182A | Improvements in Fluid Compressors. |