The trend in pressure balanced valve assemblies has been towards single handle control valves which are also adapted to control the flow of water to a tub as well as to a shower. U.S. Pat. Nos. 4,681,140; 4,901,750; and 4,905,732 all teach single handle pressure, temperature and/...
4393523 Tub filling and shower valve 1983-07-19 Nolden 4/192 4325403 Single-control mixing cock with plates made of hard material 1982-04-20 Uhlmann 137/625.17 3955598 Distributing member having a resiliently backed lamellar skirt, for mixing valves 1976-05-11 Knapp 137/625.17 3943970 Single co...