Devices and techniques relating to landfill gas extraction
US-2024066572-A1 · Feb 29, 2024 · US
Shafts or wells in waste dumps
Shafts or wells in waste dumps · 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 | B09B1/006 |
| Official title | {Shafts or wells in waste dumps} |
| Display label | Shafts or wells in waste dumps |
| Total patents | 116 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 3 |
| 2017 | 7 |
| 2018 | 4 |
| 2019 | 5 |
| 2020 | 19 |
| 2021 | 16 |
| 2022 | 10 |
| 2023 | 15 |
| 2024 | 21 |
| 2025 | 14 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Landfill gas extraction systems and methods
US-11491521-B2 · Nov 8, 2022 · US
High-density subterranean storage system for nuclear fuel and radioactive waste
US-11469008-B2 · Oct 11, 2022 · US
Greenhouse gas emissions control
US-2022176422-A1 · Jun 9, 2022 · US
Devices and techniques relating to landfill gas extraction
US-2022062959-A1 · Mar 3, 2022 · US
Devices and techniques relating to landfill gas extraction
US-2022008970-A1 · Jan 13, 2022 · US
Vertical manhole apparatus and method for providing access to leachate collection pipes in a landfill
US-2021388572-A1 · Dec 16, 2021 · US
Designs for enhanced reliability and calibration of landfill gas measurement and control devices
US-2021372977-A1 · Dec 2, 2021 · US
High-density subterranean storage system for nuclear fuel and radioactive waste
US-2021327601-A1 · Oct 21, 2021 · US
Vertical manhole apparatus and method for providing access to leachate collection pipes in a landfill
US-11131074-B2 · Sep 28, 2021 · US
Devices and techniques relating to landfill gas extraction
US-11084074-B2 · Aug 10, 2021 · US
Automated compliance measurement and control for landfill gas extraction systems
US-2021229142-A1 · Jul 29, 2021 · US
Devices and techniques relating to landfill gas extraction
US-11072006-B2 · Jul 27, 2021 · US
Designs for enhanced reliability and calibration of landfill gas measurement and control devices
US-11067549-B2 · Jul 20, 2021 · US
Landfill gas extraction control system
US-2021178436-A1 · Jun 17, 2021 · US
Devices and techniques relating to landfill gas extraction
US-11007555-B2 · May 18, 2021 · US
Landfill gas extraction control system
US-10946420-B2 · Mar 16, 2021 · US
High-density subterranean storage system for nuclear fuel and radioactive waste
US-10950361-B2 · Mar 16, 2021 · US
Landfill gas extraction control system throttle
US-2021062625-A1 · Mar 4, 2021 · US
Landfill gas extraction systems and methods
US-2021046524-A1 · Feb 18, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B09B1/006?
- CPC B09B1/006 is the Cooperative Patent Classification code for “Shafts or wells in waste dumps.”
- How many patents are filed under CPC B09B1/006 (Shafts or wells in waste dumps)?
- Our database includes 116 publications tagged with this CPC code.
- Is patent activity under CPC B09B1/006 growing?
- Publication counts under this code: 21 in 2024 vs 14 in 2025 (latest complete years).