| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 27 | |
| #2 | United States | 20 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machines | |
| #3 | Environmental technology | |
| #4 | Transport |
| # | Name | Total Patents |
|---|---|---|
| #1 | Heitger Frank H | 47 |
| Publication | Filing date | Title |
|---|---|---|
| US1863715A | Carburetor | |
| US1845662A | Carburetor | |
| US1881562A | Automatic charge heating control for internal combustion engines | |
| US1881559A | Accelerator pump | |
| US1811011A | Choke operating means for carburetors | |
| US1881558A | Carburetor | |
| US1857543A | Carburetor | |
| US1881561A | Carburetor | |
| US1868831A | Carburetor | |
| US1838675A | Carburetor | |
| US1838676A | Carburetor | |
| US1857245A | Carburetor | |
| US1881560A | Carburetor | |
| US1766711A | Throttle control for internal-combustion engines | |
| US1821014A | Carburetor | |
| US1090209A | Carbureter. | |
| US1090208A | Carbureter. | |
| US1052917A | Carbureter. | |
| US900098A | Carbureter. | |
| US768047A | Wheel. |