| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 15 | |
| #2 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Consumer goods | |
| #4 | Control | |
| #5 | Thermal processes | |
| #6 | Mechanical elements | |
| #7 | Agriculture |
| # | Name | Total Patents |
|---|---|---|
| #1 | Heath Frank M | 18 |
| Publication | Filing date | Title |
|---|---|---|
| US2368219A | Leveling device for combines | |
| US2258386A | Flush tank valve rod bearing arm adjusting and testing device | |
| US2183677A | Water control for flush tanks | |
| US2154982A | Water divider | |
| US2130719A | Water guard for flush tanks | |
| US2171447A | Guide for flush tank valves | |
| US2058449A | Flush tank | |
| US1997728A | Valve or bulb for flush tanks | |
| US1975421A | Valve for flush tanks | |
| US1893079A | Ventilated horse collar cushion | |
| US1840197A | Horse collar cushion | |
| US1197120A | Deflector-damper. | |
| CA137190A | Draft regulator | |
| US1004647A | Heel-plate. | |
| US979069A | Draft-regulator. | |
| CA376796A | Flush tank | |
| CA387200A | Tank water divider | |
| US883878A | Flue-damper. |