A61H 2033/0037
Arrangement for cleaning the fluid during use
Official title: {Arrangement for cleaning the fluid during use}
A61H2033/0037 (Arrangement for cleaning the fluid during use) appears on 79 US grants and 72 published applications in this corpus.
Search patents in A61H- Granted patents
- 79
- Published applications
- 72
- Assignees
- 55
- Inventors
- 180
- Latest grant
- 14 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 2 | 5 |
| 2005 | 1 | 3 |
| 2006 | 0 | 3 |
| 2007 | 2 | 1 |
| 2008 | 0 | 4 |
| 2009 | 1 | 3 |
| 2010 | 0 | 2 |
| 2011 | 3 | 3 |
| 2012 | 3 | 1 |
| 2013 | 4 | 4 |
| 2014 | 1 | 3 |
| 2015 | 3 | 2 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 2 | 5 |
| 2019 | 2 | 5 |
| 2020 | 4 | 5 |
| 2021 | 5 | 2 |
| 2022 | 1 | 3 |
| 2023 | 3 | 8 |
| 2024 | 3 | 2 |
| 2025 | 5 | 1 |
| 2026 | 0 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Shockwave therapy chamber14 Oct 2025US 12,440,421 B1
- Control box of massage pool and massage pool7 Oct 2025US 12,433,822 B2Bestway Inflatables & Material Corp.
- Reconfigurable spa filter treatment systems and methods for treating filtered water for spas and hot tubs19 Aug 2025US 12,392,154 B2Saratoga Spa & Bath Co., Inc.
- Self-maintaining hot tub or spa1 Jul 2025US 12,345,068 B2Sundance Spas, Inc.
- Compact device for producing foam for wellness and/or hygiene applications20 May 2025US 12,303,847 B2Klafs GmbH
- Recreational water auto-boost methods and systems14 May 2026US 2026/0132055 A1King Technology, Inc.
- Therapeutic Spa Bath for Providing Hydrotherapy Treatments30 Apr 2026US 2026/0115098 A1
- Circulation and filtration device for a pool or spa5 Mar 2026US 2026/0062940 A1
- Hot and cold immersion tub and temperature control system therefor26 Feb 2026US 2026/0053703 A1PowerTub LLC
- Reconfigurable spa filter treatment systems and methods for treating filtered water for spas and hot tubs25 Dec 2025US 2025/0389130 A1Saratoga Spa & Bath Co., Inc.
Most cited
By later US patents
- Spa construction and isolated controls therefor117US 4,233,694 AJacuzzi Whirlpool Bath, Inc. · 1980
- Submersible vacuum cleaner88US 4,962,559 ARainbow Lifegard Products, Inc. · 1990
- Spa system with flow control feature80US 8,104,110 B2Gecko Alliance Group Inc. · 2012
- Bathtub with improved hydromassage system44US 4,797,958 ATeuco Guzzini S.p.A. · 1989
- Ozone generator retrofit apparatus for jetted tubs, spas, and other water circulation facilities43US 7,875,173 B12011