| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 | |
| #2 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Control | |
| #3 | Machines | |
| #4 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Doors and windows | |
| #2 | Coin-freed | |
| #3 | Unspecified technologies | |
| #4 | Unspecified technologies | |
| #5 | Money sorting | |
| #6 | Registering devices | |
| #7 | Railway bodies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gersbach Herbert A | 7 |
| #2 | Bacon Daniel R | 4 |
| #3 | Perey John F | 2 |
| #4 | Soren Madsen | 1 |
| #5 | Baldwin Sanneman Diedrich | 1 |
| #6 | Trubenbach Conrad D | 1 |
| #7 | Downs Leon H | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB1097654A | Turnstile rotor | |
| US2742996A | Multiple coin controlled turnstile | |
| US2618085A | Combined turnstile and article dispensing mechanism | |
| US2309893A | Turnstile | |
| US2319541A | Token control mechanism | |
| US2283681A | Turnstile | |
| US2144718A | Turnstile | |
| US2193962A | Coin or token mechanism | |
| US2170192A | Turnstile | |
| US2007132A | Turnstile | |
| US2007131A | Turnstile | |
| US2004971A | Turnstile | |
| US1646078A | Turnstile | |
| US1339076A | Turnstile |