Sensor detection of the presence of an air core in a fluid conductor, and the flow rate of the fluid in the conductor
US-10830623-B2 · Nov 10, 2020 · US
Accessories, e.g. safety or control devices, not otherwise provided for {, e.g. regulators, valves in inlet or overflow ducting}(with electrostatic precipitating arrangements B03C3/14)
Accessories, e.g. safety or control devices, not otherwise provided for {, e.g. regulators, valves in inlet or overflow ducting}(with electrostatic precipitating arrangements B03C3/14) · 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 | B04C11/00 |
| Official title | Accessories, e.g. safety or control devices, not otherwise provided for {, e.g. regulators, valves in inlet or overflow ducting}(with electrostatic precipitating arrangements B03C3/14) |
| Display label | Accessories, e.g. safety or control devices, not otherwise provided for {, e.g. regulators, valves in inlet or overflow ducting}(with electrostatic precipitating arrangements B03C3/14) |
| Total patents | 117 |
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 | 5 |
| 2016 | 9 |
| 2017 | 9 |
| 2018 | 12 |
| 2019 | 13 |
| 2020 | 18 |
| 2021 | 16 |
| 2022 | 8 |
| 2023 | 11 |
| 2024 | 9 |
| 2025 | 6 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Detection device and detection method
US-2020348219-A1 · Nov 5, 2020 · US
Weighted median method for PST control signal determination
US-10814339-B2 · Oct 27, 2020 · US
Inertial precleaner with variable aspiration flowrate control via ambient dust concentration sensor input
US-2020318585-A1 · Oct 8, 2020 · US
Centrifugal separator of gas - liquid for electrochemical battery
US-2020282409-A1 · Sep 10, 2020 · US
Separator, separator system and methods of their operation
US-2020269182-A1 · Aug 27, 2020 · US
Assessing the benefits of automatic grinding control using pst technology for true on-line particle size measurement
US-2020246806-A1 · Aug 6, 2020 · US
Systems and methods for subsea fluid phase separation
US-10648314-B2 · May 12, 2020 · US
Estimation of cyclone life based on remaining abrasion resistant lining thickness
US-2020094211-A1 · Mar 26, 2020 · US
Coolant supply device
US-2020078895-A1 · Mar 12, 2020 · US
Hand-held vacuum cleaner
US-10575688-B2 · Mar 3, 2020 · US
Electrocyclonic particle collector
US-10537900-B2 · Jan 21, 2020 · US
Fluid treatment system, a fluid processing apparatus and method of treating a mixture
US-10478833-B2 · Nov 19, 2019 · US
Wet cyclone apparatus
US-2019283046-A1 · Sep 19, 2019 · US
Fluid separation apparatus and system
US-2019262844-A1 · Aug 29, 2019 · US
Techniques for optimizing performance of cyclones
US-10394207-B2 · Aug 27, 2019 · US
Aluminum dust collection and compacting method
US-2019255794-A1 · Aug 22, 2019 · US
Hydrocyclone Wear Maintenance Control System
US-2019179299-A1 · Jun 13, 2019 · US
Wireless Hydrocyclone Roping And Wear Management System
US-2019176167-A1 · Jun 13, 2019 · US
Surface cleaning apparatus
US-2019167056-A1 · Jun 6, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B04C11/00?
- CPC B04C11/00 is the Cooperative Patent Classification code for “Accessories, e.g. safety or control devices, not otherwise provided for {, e.g. regulators, valves in inlet or overflow ducting}(with electrostatic precipitating arrangements B03C3/14).”
- How many patents are filed under CPC B04C11/00 (Accessories, e.g. safety or control devices, not otherwise provided for {, e.g. regulators, valves in inlet or overflow ducting}(with electrostatic precipitating arrangements B03C3/14))?
- Our database includes 117 publications tagged with this CPC code.
- Is patent activity under CPC B04C11/00 growing?
- Publication counts under this code: 9 in 2024 vs 6 in 2025 (latest complete years).