A61H 33/005
Electrical circuits therefor
Official title: {Electrical circuits therefor}
A61H33/005 (Electrical circuits therefor) appears on 357 US grants and 465 published applications in this corpus.
Search patents in A61H- Granted patents
- 357
- Published applications
- 465
- Assignees
- 179
- Inventors
- 695
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 6 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 6 | 0 |
| 2000 | 1 | 0 |
| 2001 | 7 | 3 |
| 2002 | 10 | 16 |
| 2003 | 11 | 9 |
| 2004 | 7 | 14 |
| 2005 | 7 | 22 |
| 2006 | 6 | 14 |
| 2007 | 6 | 17 |
| 2008 | 7 | 17 |
| 2009 | 8 | 15 |
| 2010 | 6 | 15 |
| 2011 | 3 | 15 |
| 2012 | 13 | 25 |
| 2013 | 11 | 13 |
| 2014 | 16 | 15 |
| 2015 | 12 | 18 |
| 2016 | 9 | 10 |
| 2017 | 7 | 32 |
| 2018 | 9 | 14 |
| 2019 | 27 | 31 |
| 2020 | 15 | 25 |
| 2021 | 24 | 15 |
| 2022 | 14 | 18 |
| 2023 | 15 | 23 |
| 2024 | 20 | 28 |
| 2025 | 13 | 23 |
| 2026 | 11 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Sauna with galvanically isolated electrical fault detection and analytics22 Sep 2026US 12,742,800 B2Sunlighten, Inc.
- Bathing control system25 Aug 2026US 12,719,243 B2Safety Tubs Company, LLC
- Steam tent system and method11 Aug 2026US 12,702,619 B2PinTech
- Bathing devices with therapeutic ultrasound14 Jul 2026US 12,678,367 B2Kohler Co.
- Managing digital connections of connected equipment and devices to pool automation systems14 Jul 2026US 12,681,448 B2Zodiac Pool Systems LLC
- Monitoring and controlling connected pool devices24 Sep 2026US 2026/0286736 A1Pentair Water Pool and Spa, Inc.
- Sauna Room30 Jul 2026US 2026/0215998 A1Spa Garage Co. Ltd.
- Automated temperature control system for spas23 Jul 2026US 2026/0207426 A1Sundance Spas, Inc.
- Enhanced sauna device2 Jul 2026US 2026/0183188 A1Sauna Works Inc. (aka Far Infrared Sauna Technology Co.)
- Systems and methods for controlling pool/spa devices4 Jun 2026US 2026/0151297 A1Pentair Water Pool and Spa, Inc.
Most cited
By later US patents
- Bathing unit controller and connector system therefore163US 6,929,516 B29090-3493 Quebec Inc. · 2005
- Microcomputer SPA control system144US 5,550,753 A1996
- Controller system for pool and/or spa137US 6,747,367 B2Balboa Instruments, Inc. · 2004
- Suction fitting with pump control device135US 5,167,041 AKDI American Products, Inc. · 1992
- Spa construction and isolated controls therefor117US 4,233,694 AJacuzzi Whirlpool Bath, Inc. · 1980