Method and apparatus for controlling a production process
US-2017328636-A1 · Nov 16, 2017 · US
Arrangement of monitoring devices; Arrangement of safety devices
Arrangement of monitoring devices; Arrangement of safety devices · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F27D21/00 |
| Official title | Arrangement of monitoring devices; Arrangement of safety devices |
| Display label | Arrangement of monitoring devices; Arrangement of safety devices |
| Total patents | 255 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 31 |
| 2017 | 24 |
| 2018 | 25 |
| 2019 | 24 |
| 2020 | 17 |
| 2021 | 20 |
| 2022 | 20 |
| 2023 | 17 |
| 2024 | 23 |
| 2025 | 28 |
| 2026 | 11 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and Device for Detecting Straightness Deviations and/or Deformations in a Rotary Kiln
US-2017292788-A1 · Oct 12, 2017 · US
Measurement of electrode length in a melting furnace
US-2017268823-A1 · Sep 21, 2017 · US
Material supply apparatus and process
US-2017254591-A1 · Sep 7, 2017 · US
Molten steel desulfurization method, molten steel secondary refining method, and molten steel manufacturing method
US-2017247773-A1 · Aug 31, 2017 · US
Pressure relief valve for pressurized furnace
US-2017226600-A1 · Aug 10, 2017 · US
Method and apparatus for controlling a furnace pressure of a continuous annealing furnace
US-9727061-B2 · Aug 8, 2017 · US
Oven wall shape measuring apparatus, oven wall shape measuring system, and oven wall shape measuring method
US-9638516-B2 · May 2, 2017 · US
Ambient laminar gas flow distribution in laser processing systems
US-2017082367-A1 · Mar 23, 2017 · US
Semiconductor Device Manufacturing Method
US-2017077396-A1 · Mar 16, 2017 · US
Pulse train annealing method and apparatus
US-2017072505-A1 · Mar 16, 2017 · US
Control system for a melting process
US-9572203-B2 · Feb 14, 2017 · US
Ambient laminar gas flow distribution in laser processing systems
US-9557111-B2 · Jan 31, 2017 · US
Furnace damper control system
US-9557112-B2 · Jan 31, 2017 · US
Substrate processing apparatus
US-2016365264-A1 · Dec 15, 2016 · US
Immersion device for molten metal and steelmaking method
US-2016363374-A1 · Dec 15, 2016 · US
Selective Oxy-Fuel Burner and Method for a Rotary Furnace
US-2016348970-A1 · Dec 1, 2016 · US
Pulse train annealing method and apparatus
US-9498845-B2 · Nov 22, 2016 · US
Dental furnace
US-9480544-B2 · Nov 1, 2016 · US
Magnetic pump installation
US-2016313065-A1 · Oct 27, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F27D21/00?
- CPC F27D21/00 is the Cooperative Patent Classification code for “Arrangement of monitoring devices; Arrangement of safety devices.”
- How many patents are filed under CPC F27D21/00 (Arrangement of monitoring devices; Arrangement of safety devices)?
- Our database includes 255 publications tagged with this CPC code.
- Is patent activity under CPC F27D21/00 growing?
- Publication counts under this code: 23 in 2024 vs 28 in 2025 (latest complete years).