Systems, Devices and Methods for Input and Output Pressure Management of Air Breathing Engine Reformers
US-2024017993-A1 · Jan 18, 2024 · US
Carbon monoxide
Carbon monoxide · 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 | C01B32/40 |
| Official title | Carbon monoxide |
| Display label | Carbon monoxide |
| Total patents | 491 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 25 |
| 2016 | 20 |
| 2017 | 35 |
| 2018 | 44 |
| 2019 | 34 |
| 2020 | 29 |
| 2021 | 44 |
| 2022 | 50 |
| 2023 | 63 |
| 2024 | 57 |
| 2025 | 82 |
| 2026 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Microwave chemical processing
US-9812295-B1 · Nov 7, 2017 · US
Apparatuses and methods for combustion and material synthesis
US-2017284662-A1 · Oct 5, 2017 · US
Process for producing synthesis gas
US-2017275161-A1 · Sep 28, 2017 · US
Method for hydrogenation of CO2 in adiabatic metal reactors
US-9745235-B2 · Aug 29, 2017 · US
Reforming device and reforming method, and device for manufacturing chemical products equipped with reforming device and method for manufacturing chemical products
US-9737868-B2 · Aug 22, 2017 · US
New class of tunable gas storage and sensor materials
US-2017157590-A1 · Jun 8, 2017 · US
Alkaline earth metal/metal oxide supported catalysts
US-9616414-B2 · Apr 11, 2017 · US
Method for reducing carbon dioxide
US-9598779-B2 · Mar 21, 2017 · US
Porphyrin molecular catalysts for selective electrochemical reduction of co2 into co
US-2017067168-A1 · Mar 9, 2017 · US
Thermal swing reactor including a multi-flight auger
US-9586190-B1 · Mar 7, 2017 · US
System and method for sealing a syngas cooler
US-9575479-B2 · Feb 21, 2017 · US
Processes for producing hydrocarbon products
US-2017037320-A1 · Feb 9, 2017 · US
Process for converting of methane steam reforming syngas with co2
US-2017015549-A1 · Jan 19, 2017 · US
Conversion of Metal Carbonate into Metal Chloride
US-2017001875-A1 · Jan 5, 2017 · US
Method of converting carbon dioxide, and method of capturing and converting carbon dioxide
US-9522825-B2 · Dec 20, 2016 · US
Processes for producing hydrocarbon products
US-9512438-B2 · Dec 6, 2016 · US
Thermochemical reactor systems and methods
US-9504982-B2 · Nov 29, 2016 · US
Synthesis gas and nanocarbon production method and production system
US-9498764-B2 · Nov 22, 2016 · US
Method for hydrogenation of co2 in adiabatic metal reactors
US-2016272562-A1 · Sep 22, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01B32/40?
- CPC C01B32/40 is the Cooperative Patent Classification code for “Carbon monoxide.”
- How many patents are filed under CPC C01B32/40 (Carbon monoxide)?
- Our database includes 491 publications tagged with this CPC code.
- Is patent activity under CPC C01B32/40 growing?
- Publication counts under this code: 57 in 2024 vs 82 in 2025 (latest complete years).