Methods and apparatuses for detecting parameter for air purifier
US-10518208-B2 · Dec 31, 2019 · US
Means for wireless communication
Means for wireless communication · 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 | B01D46/429 |
| Official title | {Means for wireless communication} |
| Display label | Means for wireless communication |
| Total patents | 240 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 17 |
| 2017 | 11 |
| 2018 | 12 |
| 2019 | 24 |
| 2020 | 29 |
| 2021 | 27 |
| 2022 | 26 |
| 2023 | 34 |
| 2024 | 24 |
| 2025 | 26 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Terminal apparatus and method of transmitting control command thereof
US-2019381443-A1 · Dec 19, 2019 · US
Filtration monitoring system data transmission
US-2019374889-A1 · Dec 12, 2019 · US
Artificial intelligence device for guiding arrangement location of air cleaning device and operating method thereof
US-2019369628-A1 · Dec 5, 2019 · US
Air filter condition sensing
US-2019262756-A1 · Aug 29, 2019 · US
Filter element for a filter module for filtering process air for a treatment station
US-2019253856-A1 · Aug 15, 2019 · US
Electromagnetic sensor for active monitoring of filter media within a filtration system
US-10363502-B2 · Jul 30, 2019 · US
Air filter condition sensing
US-10363509-B2 · Jul 30, 2019 · US
Custom filter cleaning routines for extraction systems
US-2019209957-A1 · Jul 11, 2019 · US
Filter Apparatus for a Motor Vehicle, and Method for Operating Such a Filter Apparatus
US-2019168584-A1 · Jun 6, 2019 · US
Room Air Purifier with RFID Reader
US-2019107302-A1 · Apr 11, 2019 · US
Filter element sensor module having processing and wireless communication capablilities
US-2019090036-A1 · Mar 21, 2019 · US
Filter systems, elements and methods with short-range wireless tracking features
US-2019054411-A1 · Feb 21, 2019 · US
Identificatioin of filter media within a filtration system
US-2019054401-A1 · Feb 21, 2019 · US
Driving and information transmitting system for air-filtering protection device
US-2019046818-A1 · Feb 14, 2019 · US
Electronic filter detection feature for liquid filtration systems
US-10184415-B2 · Jan 22, 2019 · US
Identification of filter media within a filtration system
US-10143948-B2 · Dec 4, 2018 · US
Filtration monitoring systems
US-2018335368-A1 · Nov 22, 2018 · US
Filtration monitoring systems
US-10119886-B2 · Nov 6, 2018 · US
Air purification method and apparatus
US-10105631-B2 · Oct 23, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D46/429?
- CPC B01D46/429 is the Cooperative Patent Classification code for “Means for wireless communication.”
- How many patents are filed under CPC B01D46/429 (Means for wireless communication)?
- Our database includes 240 publications tagged with this CPC code.
- Is patent activity under CPC B01D46/429 growing?
- Publication counts under this code: 24 in 2024 vs 26 in 2025 (latest complete years).