| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 8 | |
| #2 | United States | 3 | |
| #3 | United Kingdom | 2 | |
| #4 | Finland | 1 | |
| #5 | France | 1 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Agriculture |
| # | Technology | |
|---|---|---|
| #1 | Treatment of paper-making materials | |
| #2 | Agricultural harvest processing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Jones Dwight E | 5 |
| #2 | Cumpston Jr Edward H | 3 |
| #3 | Cumpston Edward H Jr | 2 |
| #4 | Jones Dwight Euerle | 1 |
| #5 | Lambert Robert D | 1 |
| #6 | Subart William | 1 |
| #7 | Jr Edward Henry Cumpston | 1 |
| #8 | Henry Cumpston Jr Edward | 1 |
| #9 | Tucker Elmer C | 1 |
| #10 | Stapley Stephen George | 1 |
| Publication | Filing date | Title |
|---|---|---|
| GB838203A | Improvements in or relating to bladed structures for paper pulp beating or refining engines | |
| US2824500A | Refining machine | |
| GB784098A | Improvements in or relating to apparatus for and methods of refining paper or like pulp | |
| US2722163A | Refining machine | |
| US2718821A | Pulp refining apparatus and method | |
| CA566006A | Pulping-defibering apparatus | |
| CA452047A | Jordan apparatus | |
| CA416303A | Jordan apparatus | |
| CA466359A | Pulping machine | |
| CA546064A | Refining apparatus | |
| CA523230A | Refining machine | |
| CA577990A | Waferer | |
| CA424241A | Paper pulp beater roll |