| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 18 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Audio-visual technology | |
| #4 | Machine tools | |
| #5 | Mechanical elements | |
| #6 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | General building constructions | |
| #2 | Structural elements | |
| #3 | Unspecified technologies | |
| #4 | Physical training equipment | |
| #5 | Special information storage | |
| #6 | Nails | |
| #7 | Roof coverings | |
| #8 | Punching metal |
| # | Name | Total Patents |
|---|---|---|
| #1 | Blaski John F | 18 |
| Publication | Filing date | Title |
|---|---|---|
| US3535836A | Building construction | |
| US3570293A | Building construction | |
| US3495365A | Domed building construction and method | |
| US3505765A | Building construction | |
| US2797607A | Sheet metal penetrating expandible rivet | |
| US2754776A | Roof construction | |
| US2526323A | Roof construction | |
| US2436543A | Roof construction | |
| US2342916A | Arched wooden rafter | |
| US2371421A | Wooden roof | |
| US2366482A | Arched roof | |
| US2369525A | Roof truss | |
| US2274949A | Trussless roof | |
| US2271451A | Metal trussless roof | |
| US2257153A | Trussless roof | |
| US2250175A | Trussless roof construction | |
| US2152680A | Mechanical teeing apparatus | |
| US1096887A | Container for films. |