| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 15 | |
| #2 | United Kingdom | 5 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Civil engineering | |
| #3 | Transport | |
| #4 | Engines, pumps and turbines | |
| #5 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Bolts for doors or windows | |
| #2 | Unspecified technologies | |
| #3 | Unspecified technologies | |
| #4 | Parachutes | |
| #5 | Hinges for doors or windows | |
| #6 | Gas-turbine plants | |
| #7 | Nails | |
| #8 | Locks | |
| #9 | Indexing scheme relating to hinges | |
| #10 | Aeroplanes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hogan John E | 4 |
| #2 | Smith Lawrence D | 3 |
| #3 | Henrichs Bernard W | 3 |
| #4 | Andrews Weldon R | 2 |
| #5 | Cudney Charles G | 2 |
| #6 | Poe Lloyd R | 1 |
| #7 | Sawyer Franklin L | 1 |
| #8 | Herbert Beck Theodore | 1 |
| #9 | Franklin Sawyer | 1 |
| #10 | Andrews Weldon Rawley | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2927812A | Pivotable bolt latch | |
| US2904141A | Adjustable hook latch | |
| US2874986A | Flush latch construction | |
| US2921810A | Flush extension latch | |
| US2894777A | Preload latch | |
| US2896751A | Toggle bolt latch | |
| US2832446A | Tension latch | |
| US2808281A | Magnetic latch | |
| GB771907A | Latch structure | |
| GB724969A | Flush hinge | |
| GB724933A | Flush latch | |
| US2712955A | Draw-in type flush latch | |
| US2722445A | Flush latch construction | |
| US2717796A | Flush latch | |
| US2737697A | Connectors for jet engine blankets | |
| US2699962A | Flush-type latch | |
| US2639178A | Flush latch | |
| GB614425A | Latch assembly | |
| GB616814A | Hinge structure | |
| US2476268A | Flush latch assembly |