Methods and apparatus for managing a hydrogen storage and distribution system
US-2024177810-A1 · May 30, 2024 · US
Avoiding pollution or contamination
Avoiding pollution or contamination · 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 | F17C2260/044 |
| Official title | Avoiding pollution or contamination |
| Display label | Avoiding pollution or contamination |
| Total patents | 80 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2016 | 5 |
| 2017 | 7 |
| 2018 | 2 |
| 2019 | 2 |
| 2020 | 8 |
| 2021 | 4 |
| 2022 | 11 |
| 2023 | 17 |
| 2024 | 11 |
| 2025 | 8 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Systems and methods for backhaul transportation of liquefied gas and co2 using liquefied gas carriers
US-2023392536-A1 · Dec 7, 2023 · US
Systems and methods for transporting fuel and carbon dioxide in a dual fluid vessel
US-2023366510-A1 · Nov 16, 2023 · US
Scalable greenhouse gas capture systems and methods
US-11815227-B2 · Nov 14, 2023 · US
Scalable greenhouse gas capture systems and methods
US-2023341092-A1 · Oct 26, 2023 · US
Cylinder valves and methods for inhibiting the formation of contaminants in cylinders and cylinder valves
US-11796134-B2 · Oct 24, 2023 · US
Systems and methods for transporting fuel and carbon dioxide in a dual fluid vessel
US-11774042-B2 · Oct 3, 2023 · US
Systems and methods for transporting fuel and carbon dioxide in a dual fluid vessel
US-11754225-B2 · Sep 12, 2023 · US
Systems and methods for transporting fuel and carbon dioxide in a dual fluid vessel
US-2023235850-A1 · Jul 27, 2023 · US
Systems and methods for transporting fuel and carbon dioxide in a dual fluid vessel
US-2023235851-A1 · Jul 27, 2023 · US
Scalable greenhouse gas capture systems and methods
US-2023220955-A1 · Jul 13, 2023 · US
Systems and methods for transporting fuel and carbon dioxide in a dual fluid vessel
US-11655940-B2 · May 23, 2023 · US
Valve and reservoir(s) for pressurized fluid
US-11644119-B2 · May 9, 2023 · US
Systems and methods for transporting fuel and carbon dioxide in a dual fluid vessel
US-2023119956-A1 · Apr 20, 2023 · US
Method and system for computing a transition parameter of a liquefied gas storage medium
US-2023098469-A1 · Mar 30, 2023 · US
Scalable greenhouse gas capture systems and methods
US-11578836-B2 · Feb 14, 2023 · US
Valve and device for storing and dispensing pressurized fluid
US-11560966-B2 · Jan 24, 2023 · US
Valve and reservoir(s) for pressurized fluid
US-11555556-B2 · Jan 17, 2023 · US
Station and method for filling one or more tank(s)
US-11530781-B2 · Dec 20, 2022 · US
Cryogenic fluid storage tank and method for filling same
US-11506341-B2 · Nov 22, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F17C2260/044?
- CPC F17C2260/044 is the Cooperative Patent Classification code for “Avoiding pollution or contamination.”
- How many patents are filed under CPC F17C2260/044 (Avoiding pollution or contamination)?
- Our database includes 80 publications tagged with this CPC code.
- Is patent activity under CPC F17C2260/044 growing?
- Publication counts under this code: 11 in 2024 vs 8 in 2025 (latest complete years).