Method for on-line measurement of polymer melt temperature and apparatus thereof
US-2021316489-A1 · Oct 14, 2021 · US
Temperature
Temperature · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G01N2291/02881 |
| Official title | Temperature |
| Display label | Temperature |
| Total patents | 124 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 11 |
| 2016 | 6 |
| 2017 | 6 |
| 2018 | 7 |
| 2019 | 15 |
| 2020 | 13 |
| 2021 | 20 |
| 2022 | 14 |
| 2023 | 11 |
| 2024 | 12 |
| 2025 | 6 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Instrumented Couplings
US-2021079783-A1 · Mar 18, 2021 · US
Fluid meter including a first wall thickness in the area of a transmitter and in the area of a receiver and a second wall thickness in the area there between
US-10845338-B2 · Nov 24, 2020 · US
Evaluation method for thermal expansion properties of titania-containing silica glass body, and manufacturing method for titania-containing silica glass body
US-2020319124-A1 · Oct 8, 2020 · US
Waveguide technique for the simultaneous measurement of temperature dependent properties of materials
US-10794870-B2 · Oct 6, 2020 · US
Photoacoustic photon meter and process for measuring photon fluence
US-2020240957-A1 · Jul 30, 2020 · US
Computer and automatic protection method thereof
US-10725852-B2 · Jul 28, 2020 · US
Methods and apparatus to measure resonant sensors based on detection of group delay
US-10727815-B2 · Jul 28, 2020 · US
Thermographic inspection system mounted on motorized apparatus and methods of using same
US-2020200692-A1 · Jun 25, 2020 · US
Auto switching referral matrices in determining process material concentration
US-10684153-B2 · Jun 16, 2020 · US
Thermal Flux Sensor With Heating Nanofilaments
US-2020182711-A1 · Jun 11, 2020 · US
Methods and apparatus to measure resonant sensors based on detection of group delay
US-2020186130-A1 · Jun 11, 2020 · US
Heat Flux Sensor With Heating Wire
US-2020182838-A1 · Jun 11, 2020 · US
Computer and automatic protection method thereof
US-2020081764-A1 · Mar 12, 2020 · US
Liquid immersion sensor
US-2020018726-A1 · Jan 16, 2020 · US
Method for determining properties of a hydrocarbon-containing gas mixture and device for the same
US-2019360990-A1 · Nov 28, 2019 · US
Acoustic ambient temperature and humidity sensing
US-10488274-B2 · Nov 26, 2019 · US
Distributed acoustic sensing system with phase modulator for mitigating faded channels
US-2019353029-A1 · Nov 21, 2019 · US
Acoustic resonance chamber
US-2019339232-A1 · Nov 7, 2019 · US
Acoustic monitoring device for fuel quality
US-10466203-B2 · Nov 5, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G01N2291/02881?
- CPC G01N2291/02881 is the Cooperative Patent Classification code for “Temperature.”
- How many patents are filed under CPC G01N2291/02881 (Temperature)?
- Our database includes 124 publications tagged with this CPC code.
- Is patent activity under CPC G01N2291/02881 growing?
- Publication counts under this code: 12 in 2024 vs 6 in 2025 (latest complete years).