| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 9 | |
| #2 | United States | 6 | |
| #3 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Machines | |
| #3 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Pistons and sealings | |
| #2 | Shafts | |
| #3 | Lubricating | |
| #4 | Pumps | |
| #5 | Unspecified technologies | |
| #6 | Shaping of plastics |
| # | Name | Total Patents |
|---|---|---|
| #1 | Workman Woodrow I | 11 |
| #2 | Dahlheimer John C | 3 |
| #3 | Eagan Henry F | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3174761A | Fluid seal and cooperating groove | |
| US3085515A | Priming pump | |
| US3197811A | Apparatus for the manufacturing of composite articles | |
| US3052476A | Seal | |
| GB862171A | Oil seal | |
| US2927830A | Piston seal | |
| US2926939A | Closure device | |
| CA890312A | Seal | |
| CA632650A | Fluid seal for bearings | |
| CA876588A | Power steering seals | |
| CA617868A | Piston seal | |
| CA875973A | Dynamic seal having static sealing element | |
| CA857183A | Radial seals | |
| CA890311A | Combination axial-mechanical face and radial lip seal | |
| CA656320A | Laminated article and method of making the same | |
| CA617813A | Closure device |