| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 8 | |
| #2 | United States | 8 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Environmental technology | |
| #3 | Machines |
| # | Name | Total Patents |
|---|---|---|
| #1 | Decker Lemuel B | 16 |
| Publication | Filing date | Title |
|---|---|---|
| US1975255A | Process of treating wood | |
| US1921966A | Production of wood pulp | |
| US1915410A | Manufacture of wood pulp | |
| US1908324A | Process and apparatus in manufacture of wood pulp | |
| US1731193A | Apparatus for straining pulp | |
| US1576643A | Apparatus and process for gas and heat recovery from digester blowoff exhaust vapors | |
| US1477041A | Recovery apparatus | |
| US1374286A | Stuff-regulator | |
| CA327167A | Manufacture of wood pulp | |
| CA212660A | Paper stock regulator | |
| CA325889A | Apparatus for manufacturing wood pulp | |
| CA259497A | Gas and heat recovering machine | |
| CA339444A | Wood treating apparatus | |
| CA339443A | Wood pulp production | |
| CA283474A | Pulp straining apparatus | |
| CA229288A | Acid recovery apparatus |