A61H 2201/0264
Using heat exchanger
Official title: using heat exchanger, e.g. between fresh and used fluids
A61H2201/0264 (Using heat exchanger) appears on 47 US grants and 54 published applications in this corpus.
Search patents in A61H- Granted patents
- 47
- Published applications
- 54
- Assignees
- 33
- Inventors
- 120
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 0 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 2 |
| 2007 | 0 | 6 |
| 2008 | 0 | 1 |
| 2009 | 1 | 3 |
| 2010 | 3 | 1 |
| 2011 | 1 | 3 |
| 2012 | 1 | 1 |
| 2013 | 1 | 2 |
| 2014 | 2 | 3 |
| 2015 | 1 | 1 |
| 2016 | 2 | 4 |
| 2017 | 1 | 1 |
| 2018 | 1 | 2 |
| 2019 | 3 | 1 |
| 2020 | 1 | 3 |
| 2021 | 2 | 6 |
| 2022 | 2 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 2 |
| 2025 | 3 | 1 |
| 2026 | 2 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Negative pressure massage structure and massage device for sexual stimulation15 Sep 2026US 12,734,101 B1Shenzhen Aikesaite Technology Co., Ltd.
- Massager and control method thereof12 May 2026US 12,622,843 B2Zhejiang E-Cozy Electronic Technology Co., Ltd.
- Apparatus for dry hydro-therapy body massage in a reclined position7 Oct 2025US 12,433,814 B2JTL Enterprises, Inc.
- Tremor stabilization apparatus and methods9 Sep 2025US 12,411,009 B2GyroGear Limited
- Passive water cooler28 Jan 2025US 12,209,808 B2Celant-Tel S.R.L. LLC
- Hand held cooling device8 Oct 2026US 2026/0306355 A1DD Karma LLC d/b/a Dermaflash
- Sauna Room30 Jul 2026US 2026/0215998 A1Spa Garage Co. Ltd.
- Cold and hot plunge shower management systems2 Apr 2026US 2026/0090944 A1
- Hot and cold immersion tub and temperature control system therefor26 Feb 2026US 2026/0053703 A1PowerTub LLC
- Curved-surface double-funnel-shaped flow-guiding element, series-linear flow-guiding assembly, and nested flow-guiding assembly19 Feb 2026US 2026/0047980 A1
Most cited
By later US patents
- Portable thermo-hydraulic physiotherapy device219US 4,149,529 AJobst Institute, Inc. · 1979
- Method for vacuum mechanothermal stimulation of the body surface88US 5,358,467 A1994
- Rollable massaging device54US 6,129,687 A2000
- Therapeutic appliance for flexing joints50US 4,274,399 AJobst Institute, Inc. · 1981
- Rapid cooling and heating of car seats with massaging effects49US 7,731,279 B2Kolon Glotech, Inc. · 2010