Fluid injection systems, apparatus, and methods including flexible hoses for wellhead sites
US-12428944-B2 · Sep 30, 2025 · US
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using articulated pipes
using articulated pipes · 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 | B67D7/002 |
| Official title | {using articulated pipes} |
| Display label | using articulated pipes |
| Total patents | 20 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2017 | 1 |
| 2018 | 3 |
| 2019 | 1 |
| 2020 | 2 |
| 2021 | 1 |
| 2022 | 4 |
| 2023 | 1 |
| 2024 | 4 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fluid injection systems, apparatus, and methods including flexible hoses for wellhead sites
US-2025207490-A1 · Jun 26, 2025 · US
Fluid injection systems, apparatus, and methods including flexible hoses for wellhead sites
US-2025027399-A1 · Jan 23, 2025 · US
Fluid injection systems, apparatus, and methods including flexible hoses for wellhead sites
US-12078047-B2 · Sep 3, 2024 · US
Fluid injection systems, apparatus, and methods including flexible hoses for wellhead sites
US-2024200434-A1 · Jun 20, 2024 · US
Fluid injection systems, apparatus, and methods including flexible hoses for wellhead sites
US-2024035364-A1 · Feb 1, 2024 · US
Fluid injection systems, apparatus, and methods including flexible hoses for wellhead sites
US-11879318-B2 · Jan 23, 2024 · US
Fluid injection systems, apparatus, and methods including flexible hoses for wellhead sites
US-11781410-B2 · Oct 10, 2023 · US
Smart fuel nozzle
US-11485626-B2 · Nov 1, 2022 · US
Smart fuel nozzle
US-2022089430-A1 · Mar 24, 2022 · US
Fluid injection systems, apparatus, and methods including flexible hoses for wellhead sites
US-2022018235-A1 · Jan 20, 2022 · US
Fluid injection systems, apparatus, and methods including flexible hoses for wellhead sites
US-2022017355-A1 · Jan 20, 2022 · US
Fluid nozzle
US-11104448-B2 · Aug 31, 2021 · US
Fluid handling device for liquid hydrogen
US-10591105-B2 · Mar 17, 2020 · US
Valve apparatus of urea tank for vehicle
US-10562758-B2 · Feb 18, 2020 · US
Fluid nozzle
US-2019359473-A1 · Nov 28, 2019 · US
Fluid handling device for liquid hydrogen
US-2018187821-A1 · Jul 5, 2018 · US
Valve apparatus of urea tank for vehicle
US-2018111820-A1 · Apr 26, 2018 · US
Boom arm and concrete-distributing boom
US-9874033-B2 · Jan 23, 2018 · US
Boom arm and concrete-distributing boom
US-2017218645-A1 · Aug 3, 2017 · US