Aerogels
US-2018251377-A1 · Sep 6, 2018 · US
Compounds of tungsten
Compounds of tungsten · 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 | C01G41/00 |
| Official title | Compounds of tungsten |
| Display label | Compounds of tungsten |
| Total patents | 349 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 18 |
| 2016 | 24 |
| 2017 | 8 |
| 2018 | 27 |
| 2019 | 44 |
| 2020 | 40 |
| 2021 | 50 |
| 2022 | 27 |
| 2023 | 31 |
| 2024 | 42 |
| 2025 | 35 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Mesoporous materials and processes for preparation thereof
US-10046313-B2 · Aug 14, 2018 · US
Template-Assisted Synthesis of 2D Nanosheets Using Nanoparticle Templates
US-2018186653-A1 · Jul 5, 2018 · US
Electroconductive particle, visible light transmitting particle-dispersed electrical conductor and manufacturing method thereof, transparent electroconductive thin film and manufacturing method thereof, transparent electroconductive article that uses the same, and infrared-shielding article
US-2018188419-A1 · Jul 5, 2018 · US
Sodium tungstate production method
US-10011890-B2 · Jul 3, 2018 · US
Positive electrode active material for nonaqueous electrolyte secondary battery, method for producing same, and nonaqueous electrolyte secondary battery using said positive electrode active material
US-2018123118-A1 · May 3, 2018 · US
Positive electrode active material for nonaqueous electrolyte secondary batteries, and production method thereof
US-2018047977-A1 · Feb 15, 2018 · US
Sorting two-dimensional nanomaterials by thickness
US-9890043-B2 · Feb 13, 2018 · US
Method for manufacturing electrode for hydrogen production using tungsten carbide nanoflake and electrode for hydrogen production manufactured thereby
US-2018038003-A1 · Feb 8, 2018 · US
2h to 1t phase based transition metal dichalcogenide sensor for optical and electronic detection of strong electron donor chemical vapors
US-2018024085-A1 · Jan 25, 2018 · US
Porous hollow shell wo3/ws2 nanomaterial and method of preparing same
US-2017341935-A1 · Nov 30, 2017 · US
Heat ray shielding particles, heat ray shielding particle dispersion liquid, heat ray shielding particle dispersion, heat ray shielding particle dispersion laminated transparent base material, infrared ray absorbing transparent base material, and method of producing heat ray shielding particles
US-2017334735-A1 · Nov 23, 2017 · US
Positive electrode active material particle powder for non-aqueous electrolyte secondary battery, method for manufacturing same, and non-aqueous electrolyte secondary battery
US-2017331106-A1 · Nov 16, 2017 · US
Mesoporous cellular foam impregnated with iron-substituted heteropolyacid, preparation method therefor, and carbon dioxide separation method using same
US-9808784-B2 · Nov 7, 2017 · US
Separation of semi-conducting and metallic single-walled carbon nanotubes using a polytungstate
US-2017305745-A1 · Oct 26, 2017 · US
Tungsten Sulfide Thin Film and Preparation Method Therefor
US-2017275180-A1 · Sep 28, 2017 · US
Sorting Two-Dimensional Nanomaterials by Thickness
US-2017096344-A1 · Apr 6, 2017 · US
Two-dimensional (2D) material element with in-plane metal chalcogenide-based heterojunctions and devices including said element
US-9595580-B2 · Mar 14, 2017 · US
Catalytic processes for obtaining inorganic nanostructures by using soft metals
US-9527735-B2 · Dec 27, 2016 · US
Method to synthesize metal chalcogenide monolayer nanomaterials
US-9517937-B2 · Dec 13, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C01G41/00?
- CPC C01G41/00 is the Cooperative Patent Classification code for “Compounds of tungsten.”
- How many patents are filed under CPC C01G41/00 (Compounds of tungsten)?
- Our database includes 349 publications tagged with this CPC code.
- Is patent activity under CPC C01G41/00 growing?
- Publication counts under this code: 42 in 2024 vs 35 in 2025 (latest complete years).