| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 21 |
| # | Industry | |
|---|---|---|
| #1 | Control | |
| #2 | Textiles and paper | |
| #3 | Machines | |
| #4 | Audio-visual technology | |
| #5 | Engines, pumps and turbines | |
| #6 | Mechanical elements | |
| #7 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Coin-freed | |
| #2 | Typewriters | |
| #3 | Money sorting | |
| #4 | Unspecified technologies | |
| #5 | Vehicle wheels | |
| #6 | Pumps | |
| #7 | Clutches and brakes | |
| #8 | Advertising |
| # | Name | Total Patents |
|---|---|---|
| #1 | Emery Mihalek | 8 |
| #2 | Jennings Ode D | 5 |
| #3 | Gilmore Charles B | 4 |
| #4 | Max Garbell | 3 |
| #5 | Charles Szyper | 2 |
| #6 | Vaughn John L | 2 |
| #7 | Weirich Wallace V | 1 |
| #8 | Emery Mihalck | 1 |
| #9 | Macourek Jerry F | 1 |
| #10 | Otto Berger | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2477137A | Escapement mechanism | |
| US2459571A | Cabinet with device for locking an instrument base | |
| US2491900A | Coin controlled mechanism | |
| US2351432A | Vending machine | |
| US2100853A | Display device | |
| US1923130A | Vending machine | |
| US1923945A | Vending machine | |
| US1909039A | Vending machine | |
| US1921420A | Retractable supporting gear | |
| US1912802A | Coin chute mechanism | |
| US1903048A | Coin controlled device | |
| US1882634A | Check-controlled apparatus for vending machines | |
| US1890309A | Coin operated time controlled switch mechanism | |
| US1942440A | Vending machine | |
| US1928419A | Coin detector | |
| US1889212A | Coin controlled apparatus | |
| US1926232A | Coin operated mechanism | |
| US1788523A | Vending machine | |
| US1487513A | Typewriting machine | |
| US1534585A | Typewriting machine |