| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 13 | |
| #2 | United States | 6 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Materials and metallurgy | |
| #3 | Chemical engineering | |
| #4 | Environmental technology | |
| #5 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Building materials | |
| #3 | Shaping clay | |
| #4 | Mixing | |
| #5 | Climate change mitigation in wastewater treatment | |
| #6 | Finishing work on buildings |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ashenhurst Harold S | 12 |
| #2 | Miller Thomson George | 6 |
| #3 | Haire Robert E | 1 |
| #4 | Bridges Frederick S | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1751327A | Method of and means for finishing wall joints | |
| US1751430A | Process and apparatus for making cellular insulating material | |
| US1851413A | Cellular insulating material | |
| US1885785A | Apparatus for making foam | |
| US1751429A | Reenforced building material and process of making the same | |
| US1753255A | Process of producing cellular building material | |
| CA282570A | Monolithic wall | |
| CA282576A | Wall | |
| CA282573A | Wall | |
| CA282565A | Sound proof wall | |
| CA282562A | Building block | |
| CA282577A | Insulation material | |
| CA282575A | Insulation method | |
| CA282568A | Floor fill | |
| CA282563A | Building block | |
| CA282571A | Roof | |
| CA292351A | Gypsum fireproofing | |
| CA282574A | Roof | |
| CA282572A | Roof |