01 Water Treatment: Whom sold water softeners first in the USA?

Manufacturers:

  1. Permutit (1913/1920s) – first industrial, then commercial, then residential.
  2. Culligan (1920s/1930s)
  3. Eco Water Systems (1920s / 1930s)
  4. American Water Softener Co (1920s)
  5. Wayne Tank & Pump Co (1920s)
  6. South Bend Softener Co (1925)
  7. Los Angeles Water Softener Co (late 1920s)
  8. Refinite (late 1920s)

Patents:

  1. An individual John Caps filed a patent 1918 for “Water-softening apparatus” (external link)
  2. Permutit (George F Hodkinson) filed a patent April 1922 for “Zeolite Water Softener” (external link)

There are several manufacturers of Brine Tank internals: Mattson / Witt Precision Products (IL), Clack, and others

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