Low-cost high-purity vacuum pumps and systems
US-2026071820-A1 · Mar 12, 2026 · US
Vacuum
Vacuum · 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 | F27D2007/066 |
| Official title | {Vacuum} |
| Display label | Vacuum |
| Total patents | 54 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 10 |
| 2017 | 6 |
| 2018 | 8 |
| 2019 | 3 |
| 2020 | 5 |
| 2021 | 2 |
| 2022 | 3 |
| 2023 | 7 |
| 2024 | 1 |
| 2025 | 7 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Decarburization end point determination method, decarburization end point determination device, secondary refining operation method for steel making, and method for producing molten steel
US-12509739-B2 · Dec 30, 2025 · US
System for treating tin smelting intermediate materials and method for treating same
US-12492446-B2 · Dec 9, 2025 · US
Systems, devices, and methods for purifying atmosphere in a vacuum furnace
US-2025334333-A1 · Oct 30, 2025 · US
Multi-scale test device for crystallization performance of high-temperature melts
US-2025297806-A1 · Sep 25, 2025 · US
Controlled thermal coefficient product system and method
US-12378621-B2 · Aug 5, 2025 · US
Dental furnace
US-2025230981-A1 · Jul 17, 2025 · US
Magnetic annealing equipment and method
US-12235045-B2 · Feb 25, 2025 · US
Sealing structures and vacuum furnaces
US-2024418446-A1 · Dec 19, 2024 · US
Systems and methods for vacuum furnace post-processing
US-11802732-B2 · Oct 31, 2023 · US
Magnetic Annealing Equipment and Method
US-2023304741-A1 · Sep 28, 2023 · US
Controlled thermal coefficient product system and method
US-2023250504-A1 · Aug 10, 2023 · US
Heating apparatus for a semiconductor device, heating system, and semiconductor device
US-2023223283-A1 · Jul 13, 2023 · US
Controlled thermal coefficient product system and method
US-11643698-B2 · May 9, 2023 · US
System for treating tin smelting intermediate materials and method for treating same
US-2023111491-A1 · Apr 13, 2023 · US
Decarburization end point determination method, decarburization end point determination device, secondary refining operation method for steel making, and method for producing molten steel
US-2023083264-A1 · Mar 16, 2023 · US
Systems and methods for vacuum furnace post-processing
US-2022276006-A1 · Sep 1, 2022 · US
High-temperature all-metal induction furnace, intended to melt samples of minerals and/or rocks for extracting gases under ultra-high vacuum
US-11421936-B2 · Aug 23, 2022 · US
Systems, devices, and methods for purifying atmosphere in a vacuum furnace
US-2022065533-A1 · Mar 3, 2022 · US
High-temperature all-metal induction furnace, intended to melt samples of minerals and/or rocks for extracting gases under ultra-high vacuum
US-2021302100-A1 · Sep 30, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F27D2007/066?
- CPC F27D2007/066 is the Cooperative Patent Classification code for “Vacuum.”
- How many patents are filed under CPC F27D2007/066 (Vacuum)?
- Our database includes 54 publications tagged with this CPC code.
- Is patent activity under CPC F27D2007/066 growing?
- Publication counts under this code: 1 in 2024 vs 7 in 2025 (latest complete years).