Apparatus and process to provide cooling water for ammonia and or hydrogen productions
US-2024207802-A1 · Jun 27, 2024 · US
Chemistry & Metallurgy
Chemistry & Metallurgy · 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 | C01B3/02 |
| Official title | — |
| Display label | Chemistry & Metallurgy (mapped technology topic) |
| Total patents | 421 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 58 |
| 2016 | 36 |
| 2017 | 39 |
| 2018 | 43 |
| 2019 | 37 |
| 2020 | 40 |
| 2021 | 27 |
| 2022 | 24 |
| 2023 | 33 |
| 2024 | 42 |
| 2025 | 38 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Carbon-based durable goods and renewable fuel from biomass waste dissociation for transportation and storage
US-9278327-B2 · Mar 8, 2016 · US
Recovering h2 and c2+ from fuel gas via use of a single-stage psa and sending psa tail gas to gas recovery unit to improve steam cracker feed quality
US-2015376092-A1 · Dec 31, 2015 · US
Method and system for producing a synthesis gas using an oxygen transport membrane based reforming system with secondary reforming and auxiliary heat source
US-9212113-B2 · Dec 15, 2015 · US
Method for controlling fuel reformer
US-9212057-B2 · Dec 15, 2015 · US
Solid oxide fuel cell device
US-9214690-B2 · Dec 15, 2015 · US
Catalysts and methods for converting carbonaceous materials to fuels
US-2015353840-A1 · Dec 10, 2015 · US
Process for increasing hydrogen content of synthesis gas
US-9206044-B2 · Dec 8, 2015 · US
Solid oxide fuel cell device
US-9209469-B2 · Dec 8, 2015 · US
Process for increasing hydrogen content of synthesis gas
US-9193590-B2 · Nov 24, 2015 · US
Method for storing discontinuously produced energy
US-2015329931-A1 · Nov 19, 2015 · US
Process for increasing hydrogen content of synthesis gas
US-9187323-B2 · Nov 17, 2015 · US
Novel material for use in solar reactor
US-2015321158-A1 · Nov 12, 2015 · US
Pyrotechnic process for providing very high purety hydrogen and associated device
US-2015321909-A1 · Nov 12, 2015 · US
Methods and systems for improving the properties of products of a heavy feed steam cracker
US-2015315494-A1 · Nov 5, 2015 · US
Systems and methods for improving liquid product yield or quality from distillation units
US-2015315492-A1 · Nov 5, 2015 · US
Method and system of upgrading heavy oils in the presence of hydrogen and a dispersed catalyst
US-2015315480-A1 · Nov 5, 2015 · US
Systems and methods for increasing deasphalted oil yield or quality
US-2015315490-A1 · Nov 5, 2015 · US
Catalytic method for the production of carbon monoxide and associated reactor
US-2015306576-A1 · Oct 29, 2015 · US
Gasification process and system using dryer integrated with water-gas shift catalyst
US-2015307791-A1 · Oct 29, 2015 · US
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Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B3/02?
- CPC C01B3/02 is the Cooperative Patent Classification code for “Chemistry & Metallurgy.”
- How many patents are filed under CPC C01B3/02 (Chemistry & Metallurgy)?
- Our database includes 421 publications tagged with this CPC code.
- Is patent activity under CPC C01B3/02 growing?
- Publication counts under this code: 42 in 2024 vs 38 in 2025 (latest complete years).