Method of maintaining sterile environment of working chamber, and sterile environment maintaining apparatus
US-11478562-B2 · Oct 25, 2022 · US
Clean air work stations, i.e. selected areas within a space which filtered air is passed · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F24F3/163 |
| Official title | Clean air work stations, i.e. selected areas within a space which filtered air is passed |
| Display label | Clean air work stations, i.e. selected areas within a space which filtered air is passed |
| Total patents | 111 |
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 3 |
| 2017 | 8 |
| 2018 | 6 |
| 2019 | 12 |
| 2020 | 13 |
| 2021 | 9 |
| 2022 | 9 |
| 2023 | 17 |
| 2024 | 19 |
| 2025 | 7 |
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
US-11478562-B2 · Oct 25, 2022 · US
US-2021402044-A1 · Dec 30, 2021 · US
US-2021331499-A1 · Oct 28, 2021 · US
US-2021285667-A1 · Sep 16, 2021 · US
US-2021228761-A1 · Jul 29, 2021 · US
US-11034176-B2 · Jun 15, 2021 · US
US-2021146348-A1 · May 20, 2021 · US
US-2021113407-A1 · Apr 22, 2021 · US
US-2021088238-A1 · Mar 25, 2021 · US
US-2021001324-A1 · Jan 7, 2021 · US
US-2020393147-A1 · Dec 17, 2020 · US
US-10864514-B2 · Dec 15, 2020 · US
US-10843526-B2 · Nov 24, 2020 · US
US-2020360551-A1 · Nov 19, 2020 · US
US-10830462-B2 · Nov 10, 2020 · US
US-10816219-B2 · Oct 27, 2020 · US
US-2020316581-A1 · Oct 8, 2020 · US
US-10766648-B2 · Sep 8, 2020 · US
US-2020230671-A1 · Jul 23, 2020 · US
US-2020174374-A1 · Jun 4, 2020 · US
Answers are generated from the same data shown on this page.