| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 11 | |
| #2 | United States | 5 | |
| #3 | United Kingdom | 3 | |
| #4 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Measurement | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Aeroplanes | |
| #2 | Testing of structures | |
| #3 | Shafts | |
| #4 | Measuring force, work and fluid pressure |
| # | Name | Total Patents |
|---|---|---|
| #1 | Fairhurst Leonard Gaskell | 3 |
| #2 | Brierley Walter | 2 |
| #3 | Gaskell Fairhurst Leonard | 2 |
| #4 | Holberton Bernard Victor | 1 |
| #5 | Henry Roberts William | 1 |
| #6 | Herbert Newport | 1 |
| #7 | Mcnab Norman Sinclair | 1 |
| #8 | Newport Herbert | 1 |
| #9 | Charles Hubert Noel | 1 |
| #10 | Roberts William Henry | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2341730A | Antifriction bearing | |
| US2362308A | Apparatus for testing prime movers | |
| US2332786A | Variable-pitch airscrew | |
| US2314136A | Airscrew | |
| GB548414A | Improvements in and relating to airscrews | |
| US2147336A | Air screw for aircraft | |
| GB517117A | Improvements in or relating to variable-pitch airscrews | |
| GB503154A | Improvements in or relating to variable-pitch airscrews | |
| CA414935A | Airscrew | |
| CA424263A | Variable pitch airscrew | |
| CA426563A | Spherical grinding apparatus | |
| CA419866A | Airscrew | |
| CA414936A | Anti-friction bearing | |
| CA423685A | Anti-friction bearing | |
| CA424262A | Airscrew blade | |
| CA424264A | Aircraft propeller | |
| CA424394A | Airscrew | |
| CA415815A | Prime mover testing apparatus | |
| CA424862A | Variable pitch airscrew |