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Class Information
Number: 137/493.4
Name: Fluid handling > Line condition change responsive valves > Bi-directional flow valves > One head and seat carried by head of another > Supporting valve spring carried by supporting valve > Spring stop on supported valve stem
Description: Apparatus wherein the spring of the carried valve abuts a stop (e.g., a collar) on the carried valve stem.
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4691734 |
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4460013 |
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Jul. 17, 1984 |
4300591 |
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4212315 |
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4210170 |
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4153073 |
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4079855 |
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3971406 |
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3939866 |
Fuel saving device |
Feb. 24, 1976 |
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