| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 |
| # | Industry | |
|---|---|---|
| #1 | Transport | |
| #2 | Engines, pumps and turbines | |
| #3 | Machines | |
| #4 | Chemical engineering | |
| #5 | Environmental technology |
| # | Name | Total Patents |
|---|---|---|
| #1 | Weinberg Lowell C | 11 |
| #2 | Brannon Herbert E | 2 |
| #3 | Harry Cray | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2791387A | Aircraft having bomb bay air flow control apparatus | |
| US2724572A | Twin hydraulic jack assembly | |
| US1693471A | Auto oil cleaner | |
| US1634968A | Fuel heater | |
| US1538962A | Airplane-fuselage construction | |
| US1550476A | Coupling for flexible elements | |
| US1481400A | Folding-wing monoplane | |
| US1588215A | Carburetor air valve | |
| US1544962A | Illuminating device for aircraft | |
| US1474457A | Intra-airplane mail transfer | |
| US1432815A | Device for landing and retaining airplanes |