Oven
US-2026092739-A1 · Apr 2, 2026 · US
Casings; Linings; Walls; Roofs
Casings; Linings; Walls; Roofs · 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 | F27D1/00 |
| Official title | Casings; Linings; Walls; Roofs |
| Display label | Casings; Linings; Walls; Roofs |
| Total patents | 54 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 1 |
| 2017 | 7 |
| 2018 | 6 |
| 2019 | 9 |
| 2020 | 2 |
| 2021 | 4 |
| 2022 | 4 |
| 2023 | 4 |
| 2024 | 6 |
| 2025 | 5 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Reactor and reactor component
US-2025332562-A1 · Oct 30, 2025 · US
High pressure furnace and methods of use
US-12398955-B2 · Aug 26, 2025 · US
Dry spraying material for firing furnace
US-2025128989-A1 · Apr 24, 2025 · US
Electric furnace
US-2025093100-A1 · Mar 20, 2025 · US
Methods and Systems for Constructing a Hydrocarbon Processing Facility
US-2025035379-A1 · Jan 30, 2025 · US
Refractory member and method of producing the same
US-2024262758-A1 · Aug 8, 2024 · US
Holding element for a high-temperature furnace
US-2024247873-A1 · Jul 25, 2024 · US
Transport apparatus, lining machine, system and method for operating a system of this type
US-2024209466-A1 · Jun 27, 2024 · US
Electric furnace and method for producing valuable metal
US-2024200873-A1 · Jun 20, 2024 · US
Home appliance cavity
US-12016105-B2 · Jun 18, 2024 · US
Conveying a material to be conveyed
US-11999572-B2 · Jun 4, 2024 · US
Treatment module for a treatment tunnel, treatment tunnel, and production system for a treatment module
US-2023349637-A1 · Nov 2, 2023 · US
Graphite-containing refractory and method of producing graphite-containing refractory
US-11629916-B2 · Apr 18, 2023 · US
High Pressure Furnace and Methods of Use
US-2023105323-A1 · Apr 6, 2023 · US
Ni-BASED ALLOY, HEAT-RESISTANT AND CORROSION-RESISTANT COMPONENT, AND HEAT TREATMENT FURNACE COMPONENT
US-2023011769-A1 · Jan 12, 2023 · US
Melters for glass forming apparatuses
US-11492281-B2 · Nov 8, 2022 · US
Conveying a material to be conveyed
US-2022250849-A1 · Aug 11, 2022 · US
Cold crucible comprising metal oxide barrier and method for manufacturing same
US-11391516-B2 · Jul 19, 2022 · US
Spray material for hot and dry spray application, and hot and dry spray application method
US-2022033302-A1 · Feb 3, 2022 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC F27D1/00?
- CPC F27D1/00 is the Cooperative Patent Classification code for “Casings; Linings; Walls; Roofs.”
- How many patents are filed under CPC F27D1/00 (Casings; Linings; Walls; Roofs)?
- Our database includes 54 publications tagged with this CPC code.
- Is patent activity under CPC F27D1/00 growing?
- Publication counts under this code: 6 in 2024 vs 5 in 2025 (latest complete years).