Sealing device for a continuous furnace
US-11427883-B2 · Aug 30, 2022 · US
Seals
Seals · 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 | F27D99/0073 |
| Official title | {Seals} |
| Display label | Seals |
| Total patents | 85 |
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 | 9 |
| 2016 | 13 |
| 2017 | 7 |
| 2018 | 13 |
| 2019 | 7 |
| 2020 | 8 |
| 2021 | 1 |
| 2022 | 7 |
| 2023 | 5 |
| 2024 | 3 |
| 2025 | 10 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Sealing device
US-11401575-B2 · Aug 2, 2022 · US
Thermal reduction apparatus for metal production, gate device, condensing system, and control method thereof
US-11136646-B2 · Oct 5, 2021 · US
Combustor liner panel end rail with curved interface passage for a gas turbine engine combustor
US-10830434-B2 · Nov 10, 2020 · US
Rotary bed-type electric furnace
US-10746467-B2 · Aug 18, 2020 · US
Decompression heat-insulating pipe structure
US-10711939-B2 · Jul 14, 2020 · US
Facility for longitudinal sealing up wind boxes in travelling grate facilities
US-2020158435-A1 · May 21, 2020 · US
Rotary bed-type electric furnace
US-2020158434-A1 · May 21, 2020 · US
Method of forming sealed refractory joints in metal-containment vessels, and vessels containing sealed joints
US-10646920-B2 · May 12, 2020 · US
Sealing device
US-2020040425-A1 · Feb 6, 2020 · US
Sealing Device for a Continuous Furnace
US-2020002781-A1 · Jan 2, 2020 · US
Sealing valve arrangement for a shaft furnace charging installation
US-10502491-B2 · Dec 10, 2019 · US
Decompression heat-insulating pipe structure
US-10443776-B2 · Oct 15, 2019 · US
Thermal reduction apparatus for metal production, gate device, condensing system, and control method thereof
US-2019218642-A1 · Jul 18, 2019 · US
Installation for treating a material
US-10340411-B2 · Jul 2, 2019 · US
Thermal reduction apparatus for metal production, gate device, condensing system, and control method thereof
US-10287651-B2 · May 14, 2019 · US
Steel-strip production apparatus
US-10273557-B2 · Apr 30, 2019 · US
Method and apparatus for charging pallet cars of a traveling grate for the thermal treatment of bulk materials
US-10234205-B2 · Mar 19, 2019 · US
Method and apparatus for charging pallet cars of a traveling grate for the thermal treatment of bulk materials
US-2018372410-A1 · Dec 27, 2018 · US
Gearbox assembly for a charging installation of a metallurgical reactor
US-10113799-B2 · Oct 30, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F27D99/0073?
- CPC F27D99/0073 is the Cooperative Patent Classification code for “Seals.”
- How many patents are filed under CPC F27D99/0073 (Seals)?
- Our database includes 85 publications tagged with this CPC code.
- Is patent activity under CPC F27D99/0073 growing?
- Publication counts under this code: 3 in 2024 vs 10 in 2025 (latest complete years).