| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Engines, pumps and turbines | |
| #3 | Mechanical elements | |
| #4 | Environmental technology | |
| #5 | Chemical engineering | |
| #6 | Machine tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Sprouse Verner E | 13 |
| #2 | Sprouse Lowell E | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2973831A | Filter frame | |
| US2658577A | Composite fan hub | |
| US2497242A | Flanged hub | |
| US2413796A | Rotary engine | |
| US2408347A | Worm adjusting double wrap hose clamp | |
| US2394214A | Blower | |
| US2363206A | Tie for hose clamps | |
| US2374141A | Hose clamp | |
| US2361133A | Muffler | |
| US2343484A | Hose clamp | |
| US2365017A | Hose clamp | |
| US2350939A | Blower | |
| US1845207A | Welding torch holder |