| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Electrical machinery and energy | |
| #3 | Machine tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kotrbaty Guy F | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US3164898A | Method of producing extruded shapes | |
| US2119586A | Building construction element | |
| US2009268A | Building construction unit | |
| US1990656A | Self-sustaining partition | |
| US1990655A | Chimney construction | |
| US1990654A | Floor construction | |
| US2009267A | Door framing | |
| US2019913A | Heating device | |
| US1848357A | Floor and ceiling member for metal concrete construction | |
| US1782902A | Rail | |
| US1877898A | Building construction |