| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 10 | |
| #2 | United States | 8 | |
| #3 | United Kingdom | 3 | |
| #4 | Germany | 2 | |
| #5 | WIPO (World Intellectual Property Organization) | 2 | |
| #6 | Australia | 1 | |
| #7 | EPO (European Patent Office) | 1 | |
| #8 | Japan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Non-positive-displacement pumps | |
| #2 | Special non-positive-displacement engines | |
| #3 | Fire-fighting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Mccallum Jonathan E | 17 |
| #2 | Gerwing Murray C | 10 |
| #3 | Bruchal Brian J | 8 |
| #4 | Isert Clarence | 6 |
| #5 | Norell Andrew L | 5 |
| #6 | Dewar Kevin J | 5 |
| #7 | Antoszko George | 4 |
| #8 | Nelson Terry D | 3 |
| #9 | Mccallum Johnathan E | 2 |
| #10 | Kloza Mariusz | 2 |
| Publication | Filing date | Title |
|---|---|---|
| WO2011072381A1 | Variable pitch fan having a pitch sensor | |
| CA2616310A1 | Compact variable pitch fan | |
| CA2510157A1 | Industrial fan | |
| CA2483109A1 | Control system for variable pitch fan | |
| CA2403632A1 | Variable pitch fan | |
| US6439850B1 | Variable pitch fan | |
| CA2243151A1 | Variable pitch fan | |
| CA2170226A1 | Fire suppression system and variable pitch fan assembly and method of operation thereof | |
| CA2080268A1 | Air block | |
| CA2009970A1 | Variable pitch fan | |
| CA1328433C | Variable pitch fan with fan cranks and axle housed shifting means |