Device for holding a target gas
US-2021188635-A1 · Jun 24, 2021 · US
with sensing element expanding and contracting in response to changes of temperature (G05D23/13 takes precedence)
with sensing element expanding and contracting in response to changes of temperature (G05D23/13 takes precedence) · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G05D23/02 |
| Official title | with sensing element expanding and contracting in response to changes of temperature (G05D23/13 takes precedence) |
| Display label | with sensing element expanding and contracting in response to changes of temperature (G05D23/13 takes precedence) |
| Total patents | 101 |
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 | 7 |
| 2016 | 7 |
| 2017 | 12 |
| 2018 | 10 |
| 2019 | 7 |
| 2020 | 14 |
| 2021 | 11 |
| 2022 | 10 |
| 2023 | 7 |
| 2024 | 12 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Safety valve and method for controlling a hydraulic circuit
US-10935052-B2 · Mar 2, 2021 · US
Temperature regulating valve and thermal management system provided with temperature regulating valve
US-2021054769-A1 · Feb 25, 2021 · US
Method and system for dynamic control of game audio based on audio analysis
US-10876476-B2 · Dec 29, 2020 · US
Method And System For Dynamic Control Of Game Audio Based On Audio Analysis
US-2020400072-A9 · Dec 24, 2020 · US
Hybrid Control System For Workpiece Heating
US-2020395233-A1 · Dec 17, 2020 · US
Assembly for producing a thermostatic element
US-2020332779-A1 · Oct 22, 2020 · US
Thermal conductivity control devices
US-10809747-B2 · Oct 20, 2020 · US
Temperature regulating valve
US-2020300354-A1 · Sep 24, 2020 · US
Sensor apparatus with cooling structure
US-10782412-B2 · Sep 22, 2020 · US
Thermostatic valve
US-2020293071-A1 · Sep 17, 2020 · US
Variable conductivity metamaterials and thermal control systems employing the same
US-2020217597-A1 · Jul 9, 2020 · US
Safety valve and method for controlling a hydraulic circuit
US-2020200196-A1 · Jun 25, 2020 · US
Magneto-caloric thermal diode assembly with a rotating heat exchanger
US-10684044-B2 · Jun 16, 2020 · US
Valve and valve system responsive to fluid temperature
US-10642291-B2 · May 5, 2020 · US
Sensor apparatus with cooling structure
US-2020025933-A1 · Jan 23, 2020 · US
Magneto-caloric thermal diode assembly with a rotating heat exchanger
US-2020025423-A1 · Jan 23, 2020 · US
Thermostat with thermally responsive material and force transmitting element
US-10473092-B2 · Nov 12, 2019 · US
Optical fiber temperature control system and method
US-10379304-B2 · Aug 13, 2019 · US
Temperature adjusting valve, a turbine pump assembly and method of adjusting flow through a valve
US-10331147-B2 · Jun 25, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G05D23/02?
- CPC G05D23/02 is the Cooperative Patent Classification code for “with sensing element expanding and contracting in response to changes of temperature (G05D23/13 takes precedence).”
- How many patents are filed under CPC G05D23/02 (with sensing element expanding and contracting in response to changes of temperature (G05D23/13 takes precedence))?
- Our database includes 101 publications tagged with this CPC code.
- Is patent activity under CPC G05D23/02 growing?
- Publication counts under this code: 12 in 2024 vs 3 in 2025 (latest complete years).