ENABLING INTERNET OF THINGS (IoT) CAPABILITIES IN LEGACY WATER TREATMENT SYSTEMS
US-2026070811-A1 · Mar 12, 2026 · US
Controlling or regulating devices therefor
Controlling or regulating devices therefor · 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 | B01J49/85 |
| Official title | Controlling or regulating devices therefor |
| Display label | Controlling or regulating devices therefor |
| Total patents | 55 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 2 |
| 2017 | 4 |
| 2018 | 2 |
| 2019 | 7 |
| 2020 | 8 |
| 2022 | 7 |
| 2023 | 4 |
| 2024 | 7 |
| 2025 | 5 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Water softener
US-2026028252-A1 · Jan 29, 2026 · US
Water softener system and method of operating the same
US-12515214-B2 · Jan 6, 2026 · US
Water softener and control method for water softener
US-2026001781-A1 · Jan 1, 2026 · US
Regeneration cycle for a water softener
US-2025326664-A1 · Oct 23, 2025 · US
Method for the in situ regeneration of an adsorbent medium
US-2025249436-A1 · Aug 7, 2025 · US
Water-softening device
US-2025230068-A1 · Jul 17, 2025 · US
Water softening device
US-2025091923-A1 · Mar 20, 2025 · US
Method for regenerating resin of a water softening plant
US-2025073697-A1 · Mar 6, 2025 · US
Method for in situ regeneration of an adsorbent medium
US-2024409442-A1 · Dec 12, 2024 · US
System and method of deionization of water
US-12145868-B2 · Nov 19, 2024 · US
Water softening device
US-2024342701-A1 · Oct 17, 2024 · US
Method for prompting salt content in salt container of water softening device
US-2024270606-A1 · Aug 15, 2024 · US
Adaptive descaling using location data
US-2024149263-A1 · May 9, 2024 · US
Water heater with hardness detection system
US-11953210-B2 · Apr 9, 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
Automatic recharger brine preparation from a salt bag
US-11801487-B2 · Oct 31, 2023 · US
Water softening device and regeneration method thereof
US-2023295015-A1 · Sep 21, 2023 · US
Washing appliance with water softener
US-2023263362-A1 · Aug 24, 2023 · US
System and Method of Deionization of Water
US-2023025170-A1 · Jan 26, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J49/85?
- CPC B01J49/85 is the Cooperative Patent Classification code for “Controlling or regulating devices therefor.”
- How many patents are filed under CPC B01J49/85 (Controlling or regulating devices therefor)?
- Our database includes 55 publications tagged with this CPC code.
- Is patent activity under CPC B01J49/85 growing?
- Publication counts under this code: 7 in 2024 vs 5 in 2025 (latest complete years).