| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 13 | |
| #2 | United States | 2 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Spraying devices | |
| #2 | Pumps |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ekey William J | 5 |
| #2 | Wolford Dale E | 2 |
| #3 | Heartstedt Edmund J | 2 |
| #4 | Myers Philip A | 1 |
| #5 | Conery William J | 1 |
| #6 | Reep Harold E | 1 |
| #7 | Steidley Virgil K | 1 |
| #8 | Fellenbaum Forrest M | 1 |
| #9 | Warrick Ray W | 1 |
| #10 | Zehner William H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2552754A | Sprayer attachment | |
| US1939861A | Power head | |
| CA789384A | Spraying apparatus | |
| CA783945A | Sump pump | |
| CA779047A | Self-priming pump | |
| CA827515A | Blower device | |
| CA788235A | Plunger packing arrangement | |
| CA601109A | Shallow well self-priming jet pump | |
| CA786159A | Float seal | |
| CA864993A | Pickup probe | |
| CA701355A | Submersible motor construction | |
| CA797026A | Hose guide apparatus | |
| CA785887A | Sump pump switch | |
| CA658575A | Reciprocating plunger structure | |
| CA819519A | Flexible float seal and method of making |