| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Environmental technology | |
| #3 | Machines | |
| #4 | Mechanical elements | |
| #5 | Civil engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Andrew Vaughan L | 12 |
| Publication | Filing date | Title |
|---|---|---|
| US2806386A | Pump casing with intercommunicating gear enclosing chambers | |
| US2765807A | Sanitary underground discharge for a well water system | |
| US2623467A | Water system | |
| US2230856A | Pitless pump | |
| US2151067A | Power pump unit | |
| US2119033A | Stuffing box | |
| US2069571A | Windmill | |
| US1579343A | Windmill | |
| US1465404A | Wind-wheel hub for windmills | |
| CA594531A | Pump casing with intercommunicating gear enclosing chambers | |
| CA581421A | Sanitary underground discharge for a well water system | |
| CA503512A | Water system |