Apparatus for maintaining a controlled environment
US-11781811-B2 · Oct 10, 2023 · US
Air-pressure chambers; Air-locks therefor
Air-pressure chambers; Air-locks therefor · 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 | B01L1/02 |
| Official title | Air-pressure chambers; Air-locks therefor |
| Display label | Air-pressure chambers; Air-locks therefor |
| Total patents | 82 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 9 |
| 2016 | 9 |
| 2017 | 7 |
| 2018 | 9 |
| 2019 | 6 |
| 2020 | 9 |
| 2021 | 4 |
| 2022 | 6 |
| 2023 | 11 |
| 2024 | 8 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Safety Cabinet
US-2022234038-A1 · Jul 28, 2022 · US
Method for transporting material in and out of atmosphere-containment structures
US-2022193936-A1 · Jun 23, 2022 · US
Apparatus for maintaining a controlled environment
US-2022187016-A1 · Jun 16, 2022 · US
Method of designing a low-pressure chamber
US-11285470-B2 · Mar 29, 2022 · US
Resource loading system and method for use in atmosphere containment scenarios
US-11279049-B2 · Mar 22, 2022 · US
Receptacle
US-D940305-S · Jan 4, 2022 · US
Moisture and volatile organic compound content measuring
US-2021402387-A1 · Dec 30, 2021 · US
Apparatus for maintaining a controlled environment
US-2021310734-A1 · Oct 7, 2021 · US
Method of transferring a plurality of containers and/or closure elements into a clean room, transport and packaging container and packaging structure therefore
US-11034477-B2 · Jun 15, 2021 · US
Apparatus for maintaining a controlled environment
US-11035613-B2 · Jun 15, 2021 · US
Biological safety cabinet and clean bench
US-10864514-B2 · Dec 15, 2020 · US
Customizable mounting interface for a sealed transfer port
US-10864513-B2 · Dec 15, 2020 · US
Tight connection device for the aseptic transfer of a biopharmaceutical product between a chamber and a container
US-2020238273-A1 · Jul 30, 2020 · US
Low-pressure chamber providing preset air pressure
US-2020206728-A1 · Jul 2, 2020 · US
Cell sorter in a sealed system under controlled atmosphere
US-2020206727-A1 · Jul 2, 2020 · US
Access port having a cover
US-2020171681-A1 · Jun 4, 2020 · US
Moisture and volatile organic compound content measuring
US-2020171482-A1 · Jun 4, 2020 · US
Apparatus for manipulating magnetic particles
US-2020147604-A1 · May 14, 2020 · US
Low-pressure chamber providing preset air pressure
US-10632459-B2 · Apr 28, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01L1/02?
- CPC B01L1/02 is the Cooperative Patent Classification code for “Air-pressure chambers; Air-locks therefor.”
- How many patents are filed under CPC B01L1/02 (Air-pressure chambers; Air-locks therefor)?
- Our database includes 82 publications tagged with this CPC code.
- Is patent activity under CPC B01L1/02 growing?
- Publication counts under this code: 8 in 2024 vs 3 in 2025 (latest complete years).