For the Inventor, By the Inventor

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Fort Wayne, IN, United States of America

Master Spas, Inc.

USPTO Granted Patents = 20

% Expired Patents = 10.0

Trademarks = 24

Forward Citations = 151

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14 inventors (with patents filed for the assignee):

Nathan Coelho (14 out of 14 patents)

Michael Davenport (8 out of 8 patents)

David A Ferriss (3 out of 3 patents)

4. Adam C Riley (3 out of 3 patents)

5. Nathaniel Kipfer (3 out of 3 patents)

6. Melanie Harris (3 out of 3 patents)

7. Richard Medina (2 out of 3 patents)

8. Rakshith Asokan (2 out of 3 patents)

9. Abhilash Pillai (2 out of 3 patents)

10. Robert Lauter (2 out of 2 patents)

11. Terry M Valmassoi (1 out of 1 patent)

12. Samuel K Badiac (1 out of 1 patent)

13. Elmer C Herbert (1 out of 1 patent)

14. Paul Wybo (1 out of 1 patent)

20 patents: Sort by Forward Citations

1. 12729553 - Spa shell for a spa having thermally insulated sections (2026-09-08),

2. D1144925 - Dual temperature spa shell having thermal insulation pads (2026-08-25),

3. D1125578 - Cold plunge spa (2026-05-05),

4. 11821231 - Rolling cover for a spa (2023-11-21),

5. 11697945 - Filter assembly having an outer filter element and an inner filter element removably installed within the outer filter element (2023-07-11),

6. D916238 - Outer filter element (2021-04-13),

7. 10969095 - Lighting system and method (2021-04-06),

8. 10968650 - Rolling cover for a spa (2021-04-06),

9. D904560 - Inner filter element (2020-12-08),

10. D881339 - Outer filter element (2020-04-14),

11. D880656 - Inner filter element (2020-04-07),

12. 10612258 - Filter assembly having an outer filter element and an inner filter element removably installed within the outer filter element (2020-04-07),

13. D855755 - Filter (2019-08-06),

14. D835233 - Filter (2018-12-04),

15. 9995049 - Swim spa with plenum arrangement at head end (2018-06-12),

Master Spas, Inc. is a leading manufacturer of hot tubs and swim spas, renowned for its commitment to quality and innovation in the wellness industry. Based in Fort Wayne, Indiana, the company specializes in creating products that enhance relaxation and promote a healthy lifestyle. Master Spas integrates advanced technology into its designs, focusing on energy efficiency and user-friendly features. The company serves a diverse market, catering to both residential and commercial clients, and is recognized for its dedication to customer satisfaction and sustainable practices.

Profile summary based on public USPTO records.

Company Badge

USPTO Data Jan 1 1976 - Sep 29 2026

Master Spas, Inc.

20 Patents

#18 in Fort Wayne, IN

#242 in Indiana

#16,368 in US

#31,196 in the World

Fort Wayne, IN, United States of America

Master Spas, Inc.

Forward Citations = 151

14 inventors:

Nathan Coelho (14 out of 14 patents)

Michael Davenport (8 out of 8 patents)

David A Ferriss (3 out of 3 patents)

4. Adam C Riley (3 out of 3 patents)

5. Nathaniel Kipfer (3 out of 3 patents)

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