B01J 47/14
Controlling or regulating
B01J47/14 (Controlling or regulating) appears on 116 US grants and 136 published applications in this corpus.
Search patents in B01J- Granted patents
- 116
- Published applications
- 136
- Assignees
- 88
- Inventors
- 252
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 6 |
| 2003 | 1 | 2 |
| 2004 | 3 | 4 |
| 2005 | 3 | 5 |
| 2006 | 3 | 5 |
| 2007 | 0 | 3 |
| 2008 | 8 | 5 |
| 2009 | 0 | 4 |
| 2010 | 6 | 6 |
| 2011 | 3 | 22 |
| 2012 | 5 | 3 |
| 2013 | 5 | 12 |
| 2014 | 4 | 5 |
| 2015 | 5 | 3 |
| 2016 | 6 | 5 |
| 2017 | 8 | 7 |
| 2018 | 6 | 5 |
| 2019 | 3 | 5 |
| 2020 | 3 | 5 |
| 2021 | 2 | 3 |
| 2022 | 2 | 4 |
| 2023 | 6 | 3 |
| 2024 | 2 | 7 |
| 2025 | 4 | 5 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Resin for removing phosphorus from water body, and preparation method therefor and application thereof25 Aug 2026US 12,715,791 B2Sunresin New Materials Co. Ltd.
- Solvent free copper extraction18 Aug 2026US 12,709,784 B2GreenSource Fabrication LLC
- Method for versatile ion-exchange extraction of lithium from natural or technological lithium-containing brine by using a lithium-selective inorganic sorbent2 Dec 2025US 12,486,556 B2
- Lithium extraction enhanced by an alternate phase29 Jul 2025US 12,370,468 B2Lilac Solutions, Inc.
- Organic solvent purification method and purification system15 Jul 2025US 12,357,984 B2Organo Corporation
- Replacement timing prediction method for ion exchange resin in non-regenerative ion exchange device9 Jul 2026US 2026/0195718 A1Kurita Water Industries Ltd.
- Water softener and control method for water softener1 Jan 2026US 2026/0001781 A1Panasonic Intellectual Property Management Co., Ltd.
- Method for determining the remaining water volume in a water softening system using h+/(na+ and/or k+)-ion exchange resins6 Nov 2025US 2025/0340454 A1Brita LP
- Water-softening device17 Jul 2025US 2025/0230068 A1Panasonic Intellectual Property Management Co., Ltd.
- Multi-dimension, multi-mode chromatography methods for producing high purity, high yield lithium, cobalt, nickel, and manganese salts from waste lithium-ion batteries and other feedstocks3 Jul 2025US 2025/0219178 A1Purdue Research Foundation
Most cited
By later US patents
- Method for remote monitoring of water treatment systems130US 6,954,701 B2Watereye, Inc. · 2005
- Method and apparatus for extracting carbon dioxide from air125US 7,708,806 B2Global Research Technologies, LLC · 2010
- Method for monitoring advanced separation and/or ion exchange processes124US 6,332,110 B1PerLorica, Inc. · 2001
- Method for monitoring a public water treatment system101US 6,560,543 B2PerLorica, Inc. · 2003
- Device for indicating the depletion of purifying agent56US 6,074,550 ABRITA Wasser-Filger-Systeme GmbH · 2000