High-temperature shock heating for thermochemical reactions
US-12558662-B2 · Feb 24, 2026 · US
Heat exchangers
Heat exchangers · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C01C1/0452 |
| Official title | {Heat exchangers} |
| Display label | Heat exchangers |
| Total patents | 44 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2017 | 2 |
| 2018 | 1 |
| 2019 | 2 |
| 2020 | 4 |
| 2021 | 9 |
| 2023 | 3 |
| 2024 | 6 |
| 2025 | 16 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
System and method for producing ammonia
US-2025333316-A1 · Oct 30, 2025 · US
Process and apparatus for the production of ammonia synthesis gas
US-2025321050-A1 · Oct 16, 2025 · US
Ammonia synthesis system and its operation method
US-2025256974-A1 · Aug 14, 2025 · US
Ammonia synthesis system and its operation method
US-2025236529-A1 · Jul 24, 2025 · US
Ammonia synthesis system and operation method thereof
US-2025223180-A1 · Jul 10, 2025 · US
Ammonia synthesis system and operation method thereof
US-2025223181-A1 · Jul 10, 2025 · US
Ammonia synthesis system and operation method thereof
US-2025223182-A1 · Jul 10, 2025 · US
Ammonia synthesis system including catalyst bed containing microwave reactive catalyst mixture
US-2025206628-A1 · Jun 26, 2025 · US
Ammonia synthesis system
US-2025205667-A1 · Jun 26, 2025 · US
Ammonia synthesis system
US-2025187932-A1 · Jun 12, 2025 · US
Gas distribution system and ammonia synthesis system using the same
US-2025186959-A1 · Jun 12, 2025 · US
Ammonia synthesis system
US-2025187935-A1 · Jun 12, 2025 · US
Multi-compression unit for ammonia production
US-2025178912-A1 · Jun 5, 2025 · US
Ammonia Synthesis Using A Reaction Apparatus
US-2025145481-A1 · May 8, 2025 · US
Ammonia plant having a start-up furnace and method for producing ammonia
US-12269751-B2 · Apr 8, 2025 · US
Method and apparatus for producing ammonia
US-2025011179-A1 · Jan 9, 2025 · US
Catalytic synthesis method, device and system for ammonia synthesis through orderly regulation of the electronic domain of nitrogen
US-12077446-B2 · Sep 3, 2024 · US
Ammonia plant having a start-up furnace and method for producing ammonia
US-2024246830-A1 · Jul 25, 2024 · US
Apparatus and process to provide cooling water for ammonia and or hydrogen productions
US-2024207802-A1 · Jun 27, 2024 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01C1/0452?
- CPC C01C1/0452 is the Cooperative Patent Classification code for “Heat exchangers.”
- How many patents are filed under CPC C01C1/0452 (Heat exchangers)?
- Our database includes 44 publications tagged with this CPC code.
- Is patent activity under CPC C01C1/0452 growing?
- Publication counts under this code: 6 in 2024 vs 16 in 2025 (latest complete years).