| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Spain | 12 | |
| #2 | United States | 6 | |
| #3 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Indexing scheme relating to hinges | |
| #2 | Unspecified technologies | |
| #3 | Wing fittings | |
| #4 | Vehicle windows, roofs and doors | |
| #5 | Locks | |
| #6 | Gearing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ternstedt Alvar K | 7 |
| #2 | Norwood Harry Emery | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1260435A | Electrically-controlled window raisng and lowering mechanism. | |
| CA174046A | Window | |
| US1215589A | Tension-adjusting device for counterbalance-springs. | |
| US1218130A | Mechanically-operated window. | |
| US1125765A | Window-sealing device. | |
| US1208234A | Automatic slack take-up for chains. | |
| CA156529A | Window operating apparatus | |
| US1206052A | Window-operating device. |