| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 22 | |
| #2 | United Kingdom | 2 | |
| #3 | Germany | 1 | |
| #4 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Civil engineering | |
| #3 | Machine tools | |
| #4 | Measurement | |
| #5 | Thermal processes | |
| #6 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Locks | |
| #2 | Unspecified technologies | |
| #3 | Unspecified technologies | |
| #4 | Milling | |
| #5 | Mechanically-driven clocks | |
| #6 | Bolts for doors or windows | |
| #7 | Special furniture | |
| #8 | Hand-held cutting tools | |
| #9 | Ignition and extinguishing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Samuel Segal | 12 |
| #2 | John Hines | 7 |
| #3 | Dowling Francis J | 2 |
| #4 | Joseph Schechter | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1820565A | Lock | |
| US1777725A | Cylinder lock | |
| US1896622A | Lock | |
| GB327542A | Improvements in locks | |
| US1810350A | Actuator | |
| US1810351A | Fastening device | |
| US1764898A | Lock | |
| US1826530A | Razor | |
| US1793515A | Lighter | |
| US1770672A | Dispensing device | |
| US1833994A | Lock | |
| US1922043A | Lock | |
| US1860160A | Key cutting machine | |
| US1725544A | Cylinder lock | |
| US1689804A | Lock | |
| US1705270A | Lock | |
| US1707643A | Lock cylinder | |
| US1699757A | Lock | |
| US1700858A | Cylinder lock | |
| US1714857A | Expansible bolt lock |