USA Patents

USA Patents

HydroThermix has 3 patents on our technology belonging to James K Callaway. 

Patent Numbers:

  • 4854373
  • 5038853
  • 5509463

Patent Number: 4854373

US-4854373-A

Patent Number: 5038853

US-5038853-A

Patent Number: 5509463

US-5509463-A
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Hydro Thermix – Manufacture of the patented “Thermal Wrap” Heat Recycling & Recovery system for hot tubs, spas and jetted bathtubs.
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