|
US2126863A
|
|
Governor for fire-pump apparatus
|
|
US1988027A
|
|
Vacuum heating pump
|
|
US1859283A
|
|
Primer for pumps
|
|
US1712190A
|
|
High-speed fire-pump attachment for automobiles
|
|
US1635655A
|
|
Convertible-stage centrifugal pump
|
|
US1665765A
|
|
Pump attachment for motor vehicles
|
|
US1552053A
|
|
Controlling apparatus for heating systems
|
|
US1622355A
|
|
Centrifugal vacuum pump
|
|
US1525332A
|
|
Centrifugal fluid vacuum pump
|
|
US1481663A
|
|
Valve
|
|
US846041A
|
|
Steam-valve.
|
|
US713661A
|
|
Air-compressor valve.
|
|
US649739A
|
|
Steam-actuated valve.
|
|
CA269064A
|
|
Power attachment for motor vehicles
|
|
CA264633A
|
|
Pump primer
|
|
CA269065A
|
|
Power attachment for motor vehicles
|
