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Master Spas' Patents

All Master Spas hot tubs and swim spas are proudly made in the United States using the very best materials and innovative processes. Our Master Crafted process not only results in high-quality products, but also high-tech advancements in energy efficiency, filtration, propulsion systems, therapy systems, and more.

This page is intended to serve as notice under 35 U.S.C. ยง 287(a).

Filters

Filter Assembly
Patent Nos.: US 10,612,258 B2; US D881,339 S; US D835,233 S; US D855,755 S; US D880,656 S; US D904,560 S; US D916,238 S; and US 11,697,945 B2
Outer Filter
Patent Nos.: US 10,612,258 B2; US D881,339 S; US D835,233 S; US D855,755 S; US D916,238 S; and US 11,697,945 B2
Inner Filter
Patent Nos.: US 10,612,258 B2; US D835,233 S; US D855,755 S; US D880,656 S; US D904,560 S; and US 11,697,945 B2

Swim Spa Propulsion

Models
1250, 1420, 8600, 8700, 8900, 9700, 1320, 6500, 75, 8500, 8800, 9300, 3100, 3200, 1130, 1270, 1430, 1440, 8300, 9600, 9915, 9916, 9917, 3300, 5100, 76, 77, 8400, 9500, 1470, 7600, 9914, 9400, 9921, 9946
U.S. Patent No. 9,038,208
Models
1250, 1420, 8600, 8700, 8900, 9700, 1320, 6500, 75, 8500, 8800, 9300, 3100, 3200, 1130, 1270, 1430, 1440, 8300, 9600, 9915, 9916, 9917, 3300, 5100, 76, 77, 8400, 9500, 1470, 7600, 9914, 9400, 9921, 9946
U.S. Patent No. 9,428,928
Models
1250, 1420, 8600, 8700, 8900, 9700, 1320, 6500, 75, 8500, 8800, 9300, 3100, 3200, 1130, 1270, 1430, 1440, 8300, 9600, 9915, 9916, 9917, 3300, 5100, 76, 77, 8400, 9500, 1470, 7600, 9914, 9400, 9921, 9946
U.S. Patent No. 9,995,049

Covers

Axis Covers Patent No.: US 10,968,650 B2
Other patents pending

Lighting

Wave Lighting Patent No.: US 10,969,095 B2