| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 23 | |
| #2 | Canada | 19 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Civil engineering | |
| #3 | Electrical machinery and energy | |
| #4 | Mechanical elements | |
| #5 | Furniture and games | |
| #6 | Consumer goods |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Hinges for doors or windows | |
| #3 | Wing fittings | |
| #4 | Locks | |
| #5 | Bolts for doors or windows | |
| #6 | Indexing scheme relating to hinges | |
| #7 | Nails | |
| #8 | Personal adornments | |
| #9 | Installation of electric cables | |
| #10 | Household appliances |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hubbard Richard W | 42 |
| Publication | Filing date | Title |
|---|---|---|
| US1554280A | Hinge | |
| US1554161A | Hinge | |
| US1540840A | Vehicle hinge | |
| US1502431A | Hinge | |
| US1495076A | Hinge | |
| US1346029A | Hinge | |
| CA195483A | Hinge | |
| CA184429A | Hinge | |
| US1263895A | Concealed hinge. | |
| US1228441A | Hinge. | |
| US1126764A | Hinge. | |
| CA138687A | Snap hook | |
| CA134684A | Hinge | |
| US1001405A | Hinge. | |
| CA125605A | Bolt case | |
| CA125606A | Door check | |
| CA120034A | Bracket | |
| CA119874A | Coat and hat hook | |
| US953951A | Cable-hanger. | |
| US945461A | Door-check. |