| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Austria | 4 | |
| #3 | United Kingdom | 3 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Indexing scheme relating to hinges | |
| #3 | Doors and windows | |
| #4 | Hinges for doors or windows | |
| #5 | Bolts for doors or windows |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wendler Julius | 12 |
| Publication | Filing date | Title |
|---|---|---|
| US969582A | Door for hotel-entrances and the like. | |
| US921322A | Revolving door. | |
| US812907A | Device for hanging revolving-door wings. | |
| GB190501902A | Improvements in or relating to Revolving Doors. | |
| GB190501377A | Improvements in Suspension Devices for the Halves of Rotating Doors. | |
| US784459A | Revolving door. | |
| US732982A | Apparatus for closing entrances. |