Microwave irradiation device, exhaust purification apparatus, automobile and management system
US-10876458-B2 · Dec 29, 2020 · US
by temperature measuring
by temperature measuring · 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 | B01D46/448 |
| Official title | {by temperature measuring} |
| Display label | by temperature measuring |
| Total patents | 178 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 7 |
| 2017 | 10 |
| 2018 | 12 |
| 2019 | 12 |
| 2020 | 30 |
| 2021 | 19 |
| 2022 | 24 |
| 2023 | 19 |
| 2024 | 17 |
| 2025 | 20 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Improved diesel particulate filter linearity with thin ash layer
US-2020378293-A1 · Dec 3, 2020 · US
Predictive methods for emissions control systems performance
US-2020362744-A1 · Nov 19, 2020 · US
Predictive methods for emissions control systems performance
US-10774722-B2 · Sep 15, 2020 · US
Air intake filter assemblies with actuatable filter slats for heating, ventilation, and/or air conditioning (hvac) systems
US-2020254375-A1 · Aug 13, 2020 · US
Exhaust purification system of internal combustion engine
US-2020217235-A1 · Jul 9, 2020 · US
Cabin air filter element monitoring and analysis system and associated methods
US-2020215915-A1 · Jul 9, 2020 · US
Hybrid vehicle
US-2020139956-A1 · May 7, 2020 · US
Solar chimney street lighting pole
US-10619809-B1 · Apr 14, 2020 · US
Low particulate matter emission fabric filter
US-2020078720-A1 · Mar 12, 2020 · US
Method and apparatus for integrating chemical and environmental sensors into an air purification filter through a reusable sensor post
US-10576407-B2 · Mar 3, 2020 · US
Air filtration monitoring based on thermoelectric devices
US-2020054979-A1 · Feb 20, 2020 · US
Apparatus for transferring substrate and apparatus for processing substrate including the same
US-10566221-B2 · Feb 18, 2020 · US
Sensor built-in filter structure and wafer accommodation container
US-2020033308-A1 · Jan 30, 2020 · US
Exhaust treatment device for diesel engine
US-2019390588-A1 · Dec 26, 2019 · US
Method for determining a degree of loading of a filter
US-10512874-B2 · Dec 24, 2019 · US
Method for controlling filtering efficiency of a filter for an exhaust aftertreatment system
US-2019366256-A1 · Dec 5, 2019 · US
Method, system and computer product for evaluating the quantity of particulate accumulated within a particulate filter of a Diesel engine
US-10495016-B2 · Dec 3, 2019 · US
Filter clogging monitoring systems and methods
US-10399028-B2 · Sep 3, 2019 · US
Filter measurements
US-2019262750-A1 · Aug 29, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D46/448?
- CPC B01D46/448 is the Cooperative Patent Classification code for “by temperature measuring.”
- How many patents are filed under CPC B01D46/448 (by temperature measuring)?
- Our database includes 178 publications tagged with this CPC code.
- Is patent activity under CPC B01D46/448 growing?
- Publication counts under this code: 17 in 2024 vs 20 in 2025 (latest complete years).