|
US4441725A
|
|
Quad bolt
|
|
US4367823A
|
|
Locking device for connectors and closures
|
|
US3166092A
|
|
Automatic high-low pressure cutoff
|
|
US3262776A
|
|
Medium carbon vanadium steel
|
|
US3049140A
|
|
Automatic high-low pressure cut-off valve
|
|
ES228158A3
|
|
An apparatus to clean fluids. (Machine-translation by Google Translate, not legally binding)
|
|
ES228159A3
|
|
An apparatus to clean fluids. (Machine-translation by Google Translate, not legally binding)
|
|
ES227602A1
|
|
Improvements introduced in the manufacture of cleaning devices for pipe collectors (Machine-translation by Google Translate, not legally binding)
|
|
US2658622A
|
|
Fluid cleaning apparatus
|
|
US2641284A
|
|
Header
|
|
US2477884A
|
|
Aligning device for tubing
|
|
US2552750A
|
|
Pipe joint
|
|
US2520864A
|
|
Closure for pressure vessels
|
|
CA536235A
|
|
Automatic valve and system
|
|
CA538516A
|
|
Cushioned exhaust for automatic shut off valves
|
|
CA618692A
|
|
Screw threaded joint
|
|
CA580404A
|
|
Strainer with cleaning nozzle
|
|
CA653126A
|
|
Automatic valve
|
