Wireless backflow alert system
US-2026098594-A1 · Apr 9, 2026 · US
Hydraulic or pneumatic actuation of the alarm, e.g. by change of fluid pressure
Hydraulic or pneumatic actuation of the alarm, e.g. by change of fluid pressure · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G08B17/04 |
| Official title | Hydraulic or pneumatic actuation of the alarm, e.g. by change of fluid pressure |
| Display label | Hydraulic or pneumatic actuation of the alarm, e.g. by change of fluid pressure |
| Total patents | 37 |
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 | 6 |
| 2018 | 4 |
| 2019 | 2 |
| 2020 | 5 |
| 2021 | 4 |
| 2023 | 1 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fabry-perot based advanced pneumatic fire/overheat detector
US-12228459-B2 · Feb 18, 2025 · US
Vehicle having a high-voltage store and method for generating an acoustic warning signal
US-12187140-B2 · Jan 7, 2025 · US
Fiber Bragg grating-based advance pneumatic fire/overheat detector
US-11682282-B2 · Jun 20, 2023 · US
Fabry-perot based advanced pneumatic fire/overheat detector
US-2021325256-A1 · Oct 21, 2021 · US
Fiber bragg grating-based advance pneumatic fire/overheat detector
US-2021280033-A1 · Sep 9, 2021 · US
Vehicle Having a High-Voltage Store and Method for Generating an Acoustic Warning Signal
US-2021210805-A1 · Jul 8, 2021 · US
Alarm valve station of a fire extinguishing system, and fire extinguishing system
US-10953253-B2 · Mar 23, 2021 · US
Fire extinguishing system valve and fire extinguishing system having such a valve
US-10773113-B2 · Sep 15, 2020 · US
Dry Alarm Valve Station and Fire-Extinguishing Facility Comprising Same
US-2020282248-A1 · Sep 10, 2020 · US
Alarm valve station of a fire extinguishing system, in particular a sprinkler or spray water extinguishing system, and fire extinguishing system
US-10765899-B2 · Sep 8, 2020 · US
Alarm valve station of a fire extinguishing system, and fire extinguishing system
US-2020139176-A1 · May 7, 2020 · US
Method for testing switch in advance pneumatic detector
US-2020011752-A1 · Jan 9, 2020 · US
In-situ functionality test feature for advance pneumatic detector
US-10466124-B2 · Nov 5, 2019 · US
Alarm valve station of a fire extinguishing system, in particular a sprinkler or spray water extinguishing system, and fire extinguishing system
US-10441833-B2 · Oct 15, 2019 · US
Alarm valve station for a fire alarm system
US-2018361184-A1 · Dec 20, 2018 · US
Fire extinguishing system valve and fire extinguishing system having such a valve
US-2018264302-A1 · Sep 20, 2018 · US
In-situ functionality test feature for advance pneumatic detector
US-2018172529-A1 · Jun 21, 2018 · US
Pneumatic fire detectors
US-10002508-B2 · Jun 19, 2018 · US
Alarm valve station of a fire extinguishing system, in particular a sprinkler or spray water extinguishing system, and fire extinguishing system
US-2017348557-A1 · Dec 7, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G08B17/04?
- CPC G08B17/04 is the Cooperative Patent Classification code for “Hydraulic or pneumatic actuation of the alarm, e.g. by change of fluid pressure.”
- How many patents are filed under CPC G08B17/04 (Hydraulic or pneumatic actuation of the alarm, e.g. by change of fluid pressure)?
- Our database includes 37 publications tagged with this CPC code.
- Is patent activity under CPC G08B17/04 growing?
- Publication counts under this code: 1 in 2023 vs 2 in 2025 (latest complete years).