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| 6182696 | Dual isolation valve with rectangular flow passageways |
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| 6148860 | Low volume vacuum toilet assembly |
| 6142163 | Method and apparatus for pressure control in vacuum processors |
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| 6135144 | Pressure relief valve assembly |
| 6131594 | Gas cartridge actuated isolation valve |
| 6129116 | Sealing devices |
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| 6123101 | Spring body excess flow valve |
| 6119716 | Valve |
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| 6116277 | Farm coupling |
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| 6105610 | Cartridge valve with triple sequential seal |
| 6105608 | Gas purge valve |
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| 6102363 | Actuator for reciprocating air driven devices |
| 6102071 | Elastomeric element valve |
| 6098956 | Electrically operated recreational vehicle drain valve |
| 6098655 | Alleviating sticking of normally closed valves in nuclear reactor... |
| 6098656 | Check valve |
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| 6092551 | Duckbill valve |
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| 6089271 | Gas relief valve for a container |