| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | Canada | 3 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Doors and windows | |
| #2 | Unspecified technologies | |
| #3 | Woodworking tools | |
| #4 | Unspecified technologies | |
| #5 | Finishing work on buildings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kammerer Fred W | 13 |
| Publication | Filing date | Title |
|---|---|---|
| US2273877A | Door saddle | |
| US2181812A | Door saddle | |
| US2188049A | Threshold | |
| US2167656A | Metal weather stripping | |
| US2133199A | Fabric clamping means | |
| US2075616A | Metal weather strip for mechanically balanced windows | |
| US2089380A | Metallic door saddle | |
| US1929316A | Threshold construction | |
| US1727988A | Grooving tool | |
| US1602825A | Weather strip | |
| CA383010A | Metallic door saddle | |
| CA410935A | Door saddle | |
| CA383501A | Metallic door saddle |