| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 28 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Transport | |
| #3 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | General building constructions | |
| #2 | Foundations and excavations | |
| #3 | Ships | |
| #4 | Structural elements | |
| #5 | Aeroplanes | |
| #6 | Hydraulic engineering | |
| #7 | Construction of roads | |
| #8 | Swimming pools | |
| #9 | Sewers | |
| #10 | Machines for liquids |
| # | Name | Total Patents |
|---|---|---|
| #1 | Knight Herbert M | 29 |
| Publication | Filing date | Title |
|---|---|---|
| US2332648A | Aircraft | |
| US2189804A | Sheet piling | |
| US2202662A | Flood protection means | |
| US2147654A | Airship | |
| US2044795A | Harbor | |
| US2030881A | Vessel | |
| US1980998A | Vessel | |
| US1975156A | Building | |
| US1974427A | Wall | |
| US1888630A | Sheet piling | |
| US1847655A | Piling | |
| US1752671A | Structural element | |
| US1801631A | Unit concrete construction | |
| US1709403A | Building block | |
| US1726903A | Key | |
| US1690787A | Tidal hydraulic air compressor | |
| US1571484A | Tank | |
| US1697070A | Floor | |
| US1660421A | Pavement | |
| US1578444A | Sheet piling |