| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 5 | |
| #2 | United Kingdom | 4 | |
| #3 | United States | 3 | |
| #4 | EPO (European Patent Office) | 1 | |
| #5 | WIPO (World Intellectual Property Organization) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Control | |
| #3 | Machine tools | |
| #4 | Machines | |
| #5 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Traffic control systems | |
| #2 | Vehicle signalling and lighting | |
| #3 | Unspecified technologies | |
| #4 | Clutches and brakes | |
| #5 | Vehicle parts | |
| #6 | Turning |
| # | Name | Total Patents |
|---|---|---|
| #1 | Turnbull John | 12 |
| #2 | Artemis Safety Ltd | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB0606279D0 | Warning System | |
| CA97551A | Valve of the piston type | |
| CA98646A | Valve mechanism | |
| US789679A | Chuck or tool-holder for rock-drills or other machines. | |
| CA77506A | Process of sealing jars of foods | |
| US695769A | Clutch. | |
| GB190112474A | Improvements in or relating to Disengaging Couplings for Shafting and the like. | |
| GB189416908A | An Appliance for Practising at Golf Ball Driving. | |
| CA257391A | Hoist for mines |