| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Transport | |
| #3 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Railway bodies | |
| #2 | Indexing scheme relating to hinges | |
| #3 | Hinges for doors or windows | |
| #4 | Doors and windows | |
| #5 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hill Edward A | 7 |
| #2 | Mallory James L | 3 |
| #3 | Baker Frank C | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US942324A | Combined hanger and track for car-doors. | |
| US907833A | Car-door bracket. | |
| US894002A | Car-door bracket. | |
| US873235A | Latch-hook. | |
| US862914A | Latch-hook. | |
| CA101553A | Car door bracket | |
| US819151A | Car-door bracket. | |
| US788696A | Latch-hook. | |
| US816230A | Grain-door. | |
| US724474A | Attachment for car-doors. | |
| US651438A | Grain-door for cars. |