| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Canada | 4 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Engines, pumps and turbines | |
| #3 | Mechanical elements | |
| #4 | Weapons | |
| #5 | Environmental technology | |
| #6 | Civil engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Holmes Frederick J | 11 |
| #2 | Holmes David C | 1 |
| #3 | Jenkinson Mark E | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2013318850A1 | Universal magazine mounting system | |
| CA2413584A1 | Apparatus for connecting an accessory to an excavator | |
| US2561625A | Manifold for internal-combustion engines | |
| US2335415A | Wobble plate structure | |
| US2302995A | Wobble plate structure | |
| US2403282A | Internal-combustion engine | |
| US2103947A | Fuel heater for internal combustion engines | |
| US1864248A | Engine | |
| CA361643A | Engine fuel system | |
| CA585238A | Sonic frequency signal generator | |
| CA361642A | Engine fuel system |