| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Macromolecular chemistry and polymers |
| # | Technology | |
|---|---|---|
| #1 | Pistons and sealings | |
| #2 | Pipes | |
| #3 | Macromolecular compounds compositions | |
| #4 | Venting or aerating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Harrelson Albert L | 1 |
| #2 | Hobson Charles M Jr | 1 |
| #3 | Stucke Charles G | 1 |
| #4 | Eskild Theodore | 1 |
| #5 | Harrelson Albert L Iii | 1 |
| #6 | Schirmer Alfred F | 1 |
| #7 | Genz Orville F | 1 |
| #8 | Kiparski Kurt | 1 |
| #9 | Houghton George E | 1 |
| #10 | Ernst Theodore D | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA917697A | Pressure sealing assembly | |
| CA864963A | Plastic resin lined butterfly valve with improved sealing arrangements | |
| CA730911A | Piston bearing-reinforced plastic wear ring | |
| CA910893A | Porous packing material containing pressure and/or heat sensitive encapsulated lubricant and method for making and using the same | |
| CA775003A | Fabric based packing ring blank |