Water softener and control method for water softener
US-2026001781-A1 · Jan 1, 2026 · US
Controlling or regulating
Controlling or regulating · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01J47/14 |
| Official title | Controlling or regulating |
| Display label | Controlling or regulating |
| Total patents | 36 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 2 |
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 3 |
| 2020 | 4 |
| 2021 | 3 |
| 2022 | 2 |
| 2023 | 3 |
| 2024 | 5 |
| 2025 | 4 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Water-softening device
US-2025230068-A1 · Jul 17, 2025 · US
Organic solvent purification method and purification system
US-12357984-B2 · Jul 15, 2025 · US
Recovery method of lithium ion
US-2025059624-A1 · Feb 20, 2025 · US
Antioxidant protection for ion exchange resins
US-12226762-B2 · Feb 18, 2025 · US
Anion exchange membrane and method for producing the same
US-2024399319-A1 · Dec 5, 2024 · US
Monitoring an ion filter for a fuel cell cooling circuit
US-2024372118-A1 · Nov 7, 2024 · US
Metal recovery system and metal recovery method
US-2024301533-A1 · Sep 12, 2024 · US
Antioxidant Protection for Ion Exchange Resins
US-2024189807-A1 · Jun 13, 2024 · US
Water softening device, recycling method for water softening device, and method for cleaning water softening device
US-2024002263-A1 · Jan 4, 2024 · US
Antioxidant protection for ion exchange resins
US-11845074-B2 · Dec 19, 2023 · US
Ion exchange resin transportation and storage
US-11623212-B2 · Apr 11, 2023 · US
Method for purifying nonaqueous liquid substance and ion exchange resin-filled cartridge with external air blocking member
US-11607624-B2 · Mar 21, 2023 · US
Organic solvent purification method and purification system
US-2022371000-A1 · Nov 24, 2022 · US
Mobile system and method for pfas effluent treatment configured in a shipping container
US-2022073394-A1 · Mar 10, 2022 · US
Ion Exchange resin transportation and storage
US-2021245149-A1 · Aug 12, 2021 · US
Ion exchange resin transportation and storage
US-11020735-B2 · Jun 1, 2021 · US
Antioxidant Protection for Ion Exchange Resins
US-2021001323-A1 · Jan 7, 2021 · US
Method for purifying nonaqueous liquid substance and ion exchange resin-filled cartridge with external air blocking member
US-2020384383-A1 · Dec 10, 2020 · US
Ion exchange resin transporation and storage
US-10850271-B2 · Dec 1, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J47/14?
- CPC B01J47/14 is the Cooperative Patent Classification code for “Controlling or regulating.”
- How many patents are filed under CPC B01J47/14 (Controlling or regulating)?
- Our database includes 36 publications tagged with this CPC code.
- Is patent activity under CPC B01J47/14 growing?
- Publication counts under this code: 5 in 2024 vs 4 in 2025 (latest complete years).