| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Germany | 3 | |
| #2 | United Kingdom | 3 | |
| #3 | United States | 3 | |
| #4 | Canada | 2 | |
| #5 | France | 2 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Supplying combustion engines | |
| #2 | Lubricating of machines | |
| #3 | Rotary-pistons | |
| #4 | Starting of combustion engines | |
| #5 | Lubricating | |
| #6 | Rotary pistons |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sumner Wiltse | 3 |
| #2 | Wiltse Summer | 2 |
| Publication | Filing date | Title |
|---|---|---|
| GB326180A | Improvements in rotary pumps | |
| GB323505A | Improvements in or relating to liquid fuel and lubricating oil pumps for internal combustion engines | |
| GB324618A | Improvements in rotary pumps | |
| US1743586A | Oil and fuel pump mechanism | |
| US1781890A | Priming device | |
| US1694805A | Fuel-supply system for internal-combustion engines | |
| CA294362A | Pump mechanism | |
| CA293631A | Pump |