Sealing a reduction assembly
US-2022259685-A1 · Aug 18, 2022 · US
Special atmospheres, e.g. high pressure atmospheres
Special atmospheres, e.g. high pressure atmospheres · 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 | F27D2007/063 |
| Official title | {Special atmospheres, e.g. high pressure atmospheres} |
| Display label | Special atmospheres, e.g. high pressure atmospheres |
| Total patents | 77 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 15 |
| 2016 | 10 |
| 2017 | 10 |
| 2018 | 8 |
| 2019 | 9 |
| 2020 | 3 |
| 2021 | 4 |
| 2022 | 3 |
| 2023 | 9 |
| 2024 | 3 |
| 2025 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Carbon fiber, carbon composite and furnace purification by hydrogen reduction followed by thermal heat treatment
US-2021381769-A1 · Dec 9, 2021 · US
Method of producing fired ceramic article and method of firing ceramic green body
US-11136272-B2 · Oct 5, 2021 · US
Carbon fiber, carbon composite and furnace purification by hydrogen reduction followed by thermal heat treatment
US-11131503-B2 · Sep 28, 2021 · US
Manufacturing method of silicon carbide-based honeycomb structure
US-11034624-B2 · Jun 15, 2021 · US
Method for treating pourable, inorganic grain, and rotary tube suitable for performing the method
US-2020363129-A1 · Nov 19, 2020 · US
Conveying a material to be conveyed
US-2020103170-A1 · Apr 2, 2020 · US
Substrate processing apparatus and purging method
US-2020083078-A1 · Mar 12, 2020 · US
Carbon fiber, carbon composite and furnace purification by hydrogen reduction followed by thermal heat treatment
US-2019293354-A1 · Sep 26, 2019 · US
Method of producing fired ceramic article and method of firing ceramic green body
US-2019218147-A1 · Jul 18, 2019 · US
Ceramic article with reduced surface defect density
US-10336656-B2 · Jul 2, 2019 · US
Installation for treating a material
US-10340411-B2 · Jul 2, 2019 · US
Pneumatic ore charging
US-10337076-B2 · Jul 2, 2019 · US
Pressure-Regulated Melting of Solids with a Melting Device
US-2019170442-A1 · Jun 6, 2019 · US
Pressure-Regulated Melting of Solids with Warm Fluids
US-2019170441-A1 · Jun 6, 2019 · US
Pressure-Regulated Melting of Solids
US-2019170440-A1 · Jun 6, 2019 · US
Furnace For Sintering Printed Objects
US-2019160529-A1 · May 30, 2019 · US
Device and method for heat treating an object
US-10163670-B2 · Dec 25, 2018 · US
Manufacturing method of silicon carbide-based honeycomb structure
US-2018265419-A1 · Sep 20, 2018 · US
Laminar flow shrink oven
US-2018209740-A1 · Jul 26, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F27D2007/063?
- CPC F27D2007/063 is the Cooperative Patent Classification code for “Special atmospheres, e.g. high pressure atmospheres.”
- How many patents are filed under CPC F27D2007/063 (Special atmospheres, e.g. high pressure atmospheres)?
- Our database includes 77 publications tagged with this CPC code.
- Is patent activity under CPC F27D2007/063 growing?
- Publication counts under this code: 3 in 2024 vs 3 in 2025 (latest complete years).