Systems and methods for backhaul transportation of liquefied gas and CO2 using liquefied gas carriers
US-12546245-B2 · Feb 10, 2026 · US
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 | B67D9/02 |
| Official title | using articulated pipes |
| Display label | using articulated pipes |
| Total patents | 51 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2016 | 4 |
| 2017 | 2 |
| 2018 | 8 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 6 |
| 2022 | 1 |
| 2023 | 7 |
| 2024 | 12 |
| 2025 | 3 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System and method for fuel monitoring and spill prevention
US-12523513-B2 · Jan 13, 2026 · US
Transfer device for a fluid
US-12479715-B2 · Nov 25, 2025 · US
Fluid transfer installation
US-12474019-B2 · Nov 18, 2025 · US
Portable cargo handling equipment for liquid hydrogen
US-12264784-B2 · Apr 1, 2025 · US
System and method for fuel monitoring and spill prevention
US-2024418556-A1 · Dec 19, 2024 · US
System and method for fuel monitoring and spill prevention
US-2024418555-A1 · Dec 19, 2024 · US
Transfer Device for a Fluid
US-2024308839-A1 · Sep 19, 2024 · US
Sealed and thermally insulating tank provided with a loading/unloading tower
US-12078298-B2 · Sep 3, 2024 · US
System and method for fuel monitoring and spill prevention
US-12078522-B2 · Sep 3, 2024 · US
Systems and methods for backhaul transportation of liquefied gas and co2 using liquefied gas carriers
US-2024271556-A1 · Aug 15, 2024 · US
Fluid transfer installation
US-2024255104-A1 · Aug 1, 2024 · US
Liquefied gas transfer system
US-12043349-B2 · Jul 23, 2024 · US
Portable cargo handling equipment for liquid hydrogen
US-2024230031-A9 · Jul 11, 2024 · US
System for the transfer and gravitational drainage of a gas in liquid form
US-12017903-B2 · Jun 25, 2024 · US
Systems and methods for backhaul transportation of liquefied gas and CO2 using liquefied gas carriers
US-12012883-B2 · Jun 18, 2024 · US
Portable cargo handling equipment for liquid hydrogen
US-2024133523-A1 · Apr 25, 2024 · US
Systems and methods for backhaul transportation of liquefied gas and co2 using liquefied gas carriers
US-2023392536-A1 · Dec 7, 2023 · US
Emergency release mechanism for fluid loading equipment
US-11815212-B2 · Nov 14, 2023 · US
System for the transfer and gravitational drainage of a gas in liquid form
US-2023192470-A1 · Jun 22, 2023 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B67D9/02?
- CPC B67D9/02 is the Cooperative Patent Classification code for “using articulated pipes.”
- How many patents are filed under CPC B67D9/02 (using articulated pipes)?
- Our database includes 51 publications tagged with this CPC code.
- Is patent activity under CPC B67D9/02 growing?
- Publication counts under this code: 12 in 2024 vs 3 in 2025 (latest complete years).