Pump device for a brake system of a motor vehicle, brake system
US-11498539-B2 · Nov 15, 2022 · US
Ball valves
Ball valves · 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 | F04B53/126 |
| Official title | {Ball valves} |
| Display label | Ball valves |
| Total patents | 67 |
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 | 1 |
| 2016 | 5 |
| 2017 | 8 |
| 2018 | 11 |
| 2019 | 11 |
| 2020 | 13 |
| 2021 | 6 |
| 2022 | 6 |
| 2023 | 2 |
| 2024 | 2 |
| 2025 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Anti-gas locking pumps and related methods in oil and gas applications
US-11466681-B1 · Oct 11, 2022 · US
Downhole linear pump system
US-11466548-B2 · Oct 11, 2022 · US
Electromagnetic pump
US-11408405-B2 · Aug 9, 2022 · US
Hydraulic assembly, particularly for supplying a brake circuit of a vehicle brake system with fluid at brake pressure
US-11215287-B2 · Jan 4, 2022 · US
Downhole linear pump system
US-2021381349-A1 · Dec 9, 2021 · US
Piston pump for brake system
US-11181102-B2 · Nov 23, 2021 · US
Piston pump
US-2021180589-A1 · Jun 17, 2021 · US
Ball cage with directed flow paths for a ball pump
US-11015726-B2 · May 25, 2021 · US
Piston ball guide for a ball pump
US-10995865-B2 · May 4, 2021 · US
Pump Device for a Brake System of a Motor Vehicle, Brake System
US-2021016754-A1 · Jan 21, 2021 · US
Rotating piston for pumps
US-10859162-B2 · Dec 8, 2020 · US
Hydraulic Assembly, Particularly for Supplying a Brake Circuit of a Vehicle Brake System with Fluid at Brake Pressure
US-2020370657-A1 · Nov 26, 2020 · US
Well kickoff systems and methods
US-10837267-B2 · Nov 17, 2020 · US
Autofill shutoff valve
US-10781971-B2 · Sep 22, 2020 · US
Vent valve
US-10774988-B2 · Sep 15, 2020 · US
Centerfill of lubricant reservoir
US-10731791-B2 · Aug 4, 2020 · US
Low Pressure-Loss Valve for Rod-Operated Subsurface Pump
US-2020208503-A1 · Jul 2, 2020 · US
Exhaust air conduit for a coating agent pump
US-10697443-B2 · Jun 30, 2020 · US
Ground striper pump piston having dual checks
US-10669679-B2 · Jun 2, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F04B53/126?
- CPC F04B53/126 is the Cooperative Patent Classification code for “Ball valves.”
- How many patents are filed under CPC F04B53/126 (Ball valves)?
- Our database includes 67 publications tagged with this CPC code.
- Is patent activity under CPC F04B53/126 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).