| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 16 | |
| #2 | Canada | 1 | |
| #3 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Audio-visual technology | |
| #4 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Doors and windows | |
| #2 | Indexing scheme relating to hinges | |
| #3 | Unspecified technologies | |
| #4 | Wing fittings | |
| #5 | Hinges for doors or windows | |
| #6 | Fire-fighting | |
| #7 | Unspecified technologies | |
| #8 | Elevators and escalators | |
| #9 | Advertising | |
| #10 | Locks |
| # | Name | Total Patents |
|---|---|---|
| #1 | Cornell Milton L | 11 |
| #2 | Bennett Rowland K | 4 |
| #3 | Graff August H | 3 |
| #4 | Dever James E | 3 |
| #5 | Rawls William W | 3 |
| #6 | Rodgers Richard M A | 2 |
| #7 | Stascavage John A | 2 |
| #8 | Gerber Emil W | 1 |
| #9 | Herold Melvin I | 1 |
| #10 | Katchur Brian R | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US6189593B1 | Injection molded roll up security closure | |
| US5896907A | Rolling fire door including a door hold-open/release system | |
| US4386645A | Side folding closure | |
| US4120340A | Closure | |
| US3955840A | Door release mechanism | |
| US2585627A | Vision light metal slat rolling door | |
| US2188509A | Escalator cover | |
| GB500240A | Improvements in and relating to closures for escalator wells, stair wells or other openings | |
| US2136042A | Expansible mesh closure | |
| US2167875A | Flexible grille | |
| US2078926A | Flexible grille with distinctive character design | |
| US2037458A | Flexible grille | |
| US2048840A | Flexible grille | |
| US2071500A | Overhead acting door | |
| US2071161A | Overhead acting door | |
| US2027153A | Overhead-acting grille | |
| US1919685A | Door construction |