| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 12 | |
| #2 | Canada | 5 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Surface technology and coating | |
| #3 | Machine tools | |
| #4 | Machines | |
| #5 | Thermal processes |
| # | Name | Total Patents |
|---|---|---|
| #1 | Crooks Kenneth E | 17 |
| #2 | Dittmar Irvin F | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2316671A | Preformed floor unit | |
| US2269927A | Composite floor and floor unit for forming the same | |
| US2269926A | Composite board flooring | |
| US2227878A | Flooring | |
| US2173622A | Facing and method of securing the same to a support | |
| US2119804A | Composite floor | |
| US2104637A | Method of coating | |
| US2092695A | Radiator cover or shield | |
| US2092694A | Composite flooring and method of laying the same | |
| US1952536A | Flooring | |
| US2008244A | Selfleveling flooring | |
| US1833934A | Material guiding means for woodworking machines | |
| CA322176A | Floor wood filling method | |
| CA392272A | Composite board flooring | |
| CA335857A | Flooring | |
| CA335856A | Flooring | |
| CA291483A | Wood working machine |