B01J 49/80
Automatic regeneration
B01J49/80 (Automatic regeneration) appears on 176 US grants and 150 published applications in this corpus.
Search patents in B01J- Granted patents
- 176
- Published applications
- 150
- Assignees
- 105
- Inventors
- 307
- Latest grant
- 26 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 6 | 0 |
| 1992 | 2 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 7 | 2 |
| 2002 | 1 | 6 |
| 2003 | 2 | 4 |
| 2004 | 8 | 4 |
| 2005 | 3 | 5 |
| 2006 | 1 | 6 |
| 2007 | 0 | 4 |
| 2008 | 4 | 7 |
| 2009 | 5 | 5 |
| 2010 | 3 | 6 |
| 2011 | 5 | 8 |
| 2012 | 6 | 5 |
| 2013 | 3 | 4 |
| 2014 | 8 | 5 |
| 2015 | 3 | 8 |
| 2016 | 6 | 6 |
| 2017 | 6 | 3 |
| 2018 | 2 | 3 |
| 2019 | 8 | 10 |
| 2020 | 13 | 7 |
| 2021 | 5 | 4 |
| 2022 | 6 | 9 |
| 2023 | 3 | 4 |
| 2024 | 5 | 10 |
| 2025 | 5 | 9 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Water softener26 May 2026US 12,636,643 B2Panasonic Intellectual Property Management Co., Ltd.
- Multi-sequence water softener system and method10 Mar 2026US 12,570,549 B2
- Method for purifying a target substance with viral inactivation13 Jan 2026US 12,521,647 B2Sartorius Chromatography Equipment
- System and method for regenerating and restoring kinetic properties of resin13 Jan 2026US 12,521,710 B2Ionx Solutions, LLC
- Water softener system and method of operating the same6 Jan 2026US 12,515,214 B2A. O. Smith Corporation
- Replacement timing prediction method for ion exchange resin in non-regenerative ion exchange device9 Jul 2026US 2026/0195718 A1Kurita Water Industries Ltd.
- Water softening control method and apparatus, electronic device and storage medium2 Jul 2026US 2026/0184601 A1Foshan Shunde Midea Water Dispenser Manufacturing Co., Ltd.
- Water softener system and method of operating the same18 Jun 2026US 2026/0166540 A1A. O. Smith Corporation
- Enabling internet of things (iot) capabilities in legacy water treatment systems12 Mar 2026US 2026/0070811 A1Evoqua Water Technologies LLC
- Water softener29 Jan 2026US 2026/0028252 A1Panasonic Intellectual Property Management Co., Ltd.
Most cited
By later US patents
- Apparatus and method for controlling regeneration of a water treatment system105US 5,234,601 AAutotrol Corporation · 1993
- Control valve for water softeners49US 4,298,025 AKinetico Incorporated · 1981
- Electronic means for controlling the regeneration of resins in a resin type ion exchange device48US 4,275,448 APermo S.A. · 1981
- Water recycling system46US 4,145,279 APure Cycle Corporation · 1979
- Modular control apparatus for water treatment system46US 6,206,042 B1Chemical Engineering Corporation · 2001