A61H 33/06
Artificial hot-air or cold-air baths
Official title: Artificial hot-air or cold-air baths; Steam or gas baths or douches, e.g. sauna or Finnish baths {(artificial climate rooms A61G10/02)}
A61H33/06 (Artificial hot-air or cold-air baths) appears on 402 US grants and 462 published applications in this corpus.
Search patents in A61H- Granted patents
- 402
- Published applications
- 462
- Assignees
- 203
- Inventors
- 755
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 6 | 0 |
| 1978 | 7 | 0 |
| 1979 | 2 | 0 |
| 1980 | 5 | 0 |
| 1981 | 5 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 2 | 0 |
| 1988 | 5 | 0 |
| 1989 | 8 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 7 | 0 |
| 1993 | 5 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 9 | 0 |
| 1999 | 9 | 0 |
| 2000 | 8 | 0 |
| 2001 | 8 | 2 |
| 2002 | 6 | 6 |
| 2003 | 11 | 8 |
| 2004 | 7 | 16 |
| 2005 | 4 | 14 |
| 2006 | 14 | 13 |
| 2007 | 4 | 19 |
| 2008 | 3 | 12 |
| 2009 | 3 | 18 |
| 2010 | 3 | 16 |
| 2011 | 8 | 13 |
| 2012 | 8 | 20 |
| 2013 | 10 | 21 |
| 2014 | 9 | 15 |
| 2015 | 14 | 14 |
| 2016 | 11 | 22 |
| 2017 | 16 | 22 |
| 2018 | 12 | 21 |
| 2019 | 14 | 19 |
| 2020 | 19 | 22 |
| 2021 | 18 | 34 |
| 2022 | 20 | 15 |
| 2023 | 14 | 21 |
| 2024 | 11 | 33 |
| 2025 | 25 | 30 |
| 2026 | 10 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- A61H 33/063Heaters specifically designed therefor165
- A61H 33/066Cabins therefor88
- A61H 2033/061Artificial hot-air bathsIndexing code78
- A61H 2033/068Steam bathsIndexing code73
- A61H 33/12Steam baths for the face73
- A61H 33/10Devices on tubs for steam baths16
- A61H 33/08Air douches for hygienic purposes11
- A61H 2033/062Artificial cold-air bathsIndexing code8
Recent patents
- Systems and methods for controlling a sauna29 Sep 2026US 12,746,179 B2High Tech Health International, Inc.
- Sauna device holder15 Sep 2026US 12,734,109 B2High Tech Health International, Inc.
- Apparatus for cold and heat therapy in a reclined position18 Aug 2026US 12,708,555 B2JTL Enterprises, Inc.
- Steam tent system and method11 Aug 2026US 12,702,619 B2PinTech
- Portable air treatment apparatus28 Jul 2026US 12,691,246 B2Crane USA Inc.
- Four-device-in-one multi-function bungalow13 Aug 2026US 2026/0234951 A1Zhejiang Zhengte Co., Ltd.
- Integrated multifunction treatment capsule30 Jul 2026US 2026/0215986 A1
- Sauna Room30 Jul 2026US 2026/0215998 A1Spa Garage Co. Ltd.
- Wellness room23 Jul 2026US 2026/0207876 A1
- Enhanced sauna device2 Jul 2026US 2026/0183188 A1Sauna Works Inc. (aka Far Infrared Sauna Technology Co.)
Most cited
By later US patents
- Medicated vapor production method and apparatus237US 3,949,743 ASchick Incorporated · 1976
- Steam bath device for shower133US 4,084,271 A1978
- Facial steamer machine with detachable function units121US 6,022,327 A2000
- Bathing chamber120US 4,130,120 AKohler Co. · 1978
- Apparatus for making micro-abrasions, particularly on human tissue or on hides119US 5,100,412 AL.I.C.A. di ROSSO & C. S.n.c. · 1992