Efficient biomass carbon-based solid acid esterification catalyst for producing biodiesel
US-2020377820-A1 · Dec 3, 2020 · US
of microwave energy
of microwave energy · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01J37/346 |
| Official title | {of microwave energy} |
| Display label | of microwave energy |
| Total patents | 117 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 10 |
| 2016 | 8 |
| 2017 | 4 |
| 2018 | 10 |
| 2019 | 19 |
| 2020 | 14 |
| 2021 | 11 |
| 2022 | 12 |
| 2023 | 7 |
| 2024 | 11 |
| 2025 | 9 |
| 2026 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Carbon based materials as solid-state ligands for metal nanoparticle catalysts
US-2020276573-A1 · Sep 3, 2020 · US
Use of certain manganese-accumulating plants for carrying out organic chemistry reactions
US-10702860-B2 · Jul 7, 2020 · US
Superlubricious carbon films derived from natural gas
US-10702862-B2 · Jul 7, 2020 · US
Method of preparation of a monilithic catalyst for selective catalytic reduction of nitrogen oxides
US-10702855-B2 · Jul 7, 2020 · US
Method for preparing a catalyst-containing ceramic filter for off-gas or exhaust gas cleaning
US-10682639-B2 · Jun 16, 2020 · US
Method for producing proton-conducting platinum particles with a large active surface area and surface-grafted with specific, proton-conducting polymers
US-10673076-B2 · Jun 2, 2020 · US
Method for preparing supported catalyst for heterogeneous catalytic ozonation
US-10618043-B2 · Apr 14, 2020 · US
Method for the preparation of a catalysed monolith
US-10525503-B2 · Jan 7, 2020 · US
Palladium oxide catalyst for direct formic acid fuel cell and preparation method thereof
US-2019326608-A1 · Oct 24, 2019 · US
Microwave Assisted and Low-Temperature Fabrication of Nanowire Arrays on Scalable 2D and 3D Substrates
US-2019314790-A1 · Oct 17, 2019 · US
Superlubricious carbon films derived from natural gas
US-2019314803-A1 · Oct 17, 2019 · US
Honeycomb structure
US-2019291091-A1 · Sep 26, 2019 · US
Electromagnetic field-assisted method for chemical conversion
US-2019282992-A1 · Sep 19, 2019 · US
Dehydrogenation Catalysts and Methods of Making and Using the Same
US-2019283002-A1 · Sep 19, 2019 · US
Doped-carbon composites, synthesizing methods and applications of the same
US-2019247834-A1 · Aug 15, 2019 · US
Honeycomb structure
US-10369545-B2 · Aug 6, 2019 · US
Exhaust gas catalyst for internal combustion engines
US-2019176140-A1 · Jun 13, 2019 · US
Bismuth-vanadate-laminate manufacturing method and bismuth-vanadate laminate
US-10320005-B2 · Jun 11, 2019 · US
Doped-carbon composites, synthesizing methods and applications of the same
US-10293329-B2 · May 21, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J37/346?
- CPC B01J37/346 is the Cooperative Patent Classification code for “of microwave energy.”
- How many patents are filed under CPC B01J37/346 (of microwave energy)?
- Our database includes 117 publications tagged with this CPC code.
- Is patent activity under CPC B01J37/346 growing?
- Publication counts under this code: 11 in 2024 vs 9 in 2025 (latest complete years).