Spray pump
US-2023201848-A1 · Jun 29, 2023 · US
the controlling element being a lift valve
the controlling element being a lift valve · 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 | B05B1/304 |
| Official title | {the controlling element being a lift valve} |
| Display label | the controlling element being a lift valve |
| 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 | 3 |
| 2016 | 6 |
| 2017 | 8 |
| 2018 | 10 |
| 2019 | 13 |
| 2020 | 7 |
| 2021 | 5 |
| 2022 | 4 |
| 2023 | 6 |
| 2024 | 2 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Rotary full circle nozzles and deflectors
US-11666929-B2 · Jun 6, 2023 · US
Multifunctional water outlet device
US-11639597-B2 · May 2, 2023 · US
Packaged, sterilized product for introduction into controlled environment
US-11548674-B2 · Jan 10, 2023 · US
Rotary full circle nozzles and deflectors
US-11511289-B2 · Nov 29, 2022 · US
Irrigation Nozzle With One Or More Grit Vents
US-2022339656-A1 · Oct 27, 2022 · US
Irrigation nozzle with one or more grit vents
US-11406999-B2 · Aug 9, 2022 · US
Fluid dispenser having a discharge head
US-11311895-B2 · Apr 26, 2022 · US
Rotary nozzle
US-11154881-B2 · Oct 26, 2021 · US
Rotary strip nozzles
US-11154877-B2 · Oct 26, 2021 · US
Multi-cone, multi-stage spray nozzle
US-11073279-B2 · Jul 27, 2021 · US
Rotary strip nozzles and deflectors
US-11059056-B2 · Jul 13, 2021 · US
Nozzle assemblies, systems and related methods
US-10987684-B2 · Apr 27, 2021 · US
Packaged, sterilized product for introduction into controlled environment
US-2020407091-A1 · Dec 31, 2020 · US
Device for injecting a cryogenic fluid through the base of a mixer
US-2020376508-A1 · Dec 3, 2020 · US
Irrigation nozzle with one or more grit vents
US-2020353497-A1 · Nov 12, 2020 · US
Rotary strip nozzles and deflectors
US-2020276598-A1 · Sep 3, 2020 · US
Multifunctional water outlet device
US-2020248438-A1 · Aug 6, 2020 · US
Control device for fuel injection device
US-10731594-B2 · Aug 4, 2020 · US
Material supply system with valve assembly
US-10562062-B2 · Feb 18, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B05B1/304?
- CPC B05B1/304 is the Cooperative Patent Classification code for “the controlling element being a lift valve.”
- How many patents are filed under CPC B05B1/304 (the controlling element being a lift valve)?
- Our database includes 67 publications tagged with this CPC code.
- Is patent activity under CPC B05B1/304 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).