US5590680A
|
|
External valve operating means
|
US5577709A
|
|
Stem seal configuration for ball valves
|
US4683057A
|
|
Refillable filter-drier assembly
|
US4142543A
|
|
Valve stem and disc combination and method of assembling same
|
US4049017A
|
|
Adjustable relief valve
|
US3970285A
|
|
Ball valve assembly
|
CA922611A
|
|
Field test kit reagent transferring system
|
CA935808A
|
|
Valve assembly
|
US3700206A
|
|
Valve assembly
|
US3653839A
|
|
Field test kit reagent transferring system and method for using same
|
US3482596A
|
|
Metering valve
|
US3396940A
|
|
Packless valve with anti-frost means
|
US3425444A
|
|
Relief valve
|
US3252475A
|
|
Piercing valve
|
US3510260A
|
|
Method for determining acid content of oil sample
|
US3355021A
|
|
Inline refrigerant filter assembly having a by-pass valve therein
|
US3288162A
|
|
Charging and sampling valve in a closed fluid system
|
US3282554A
|
|
Swivel valve
|
US3286838A
|
|
Refrigerant drier or filter
|
US3142287A
|
|
Refrigerant moisture-liquid indicator assembly and cap unit therefor
|