Honeycomb structure
US-10675591-B2 · Jun 9, 2020 · US
Physical characteristics of catalysts
Physical characteristics of catalysts · 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 | B01D2255/90 |
| Official title | Physical characteristics of catalysts |
| Display label | Physical characteristics of catalysts |
| Total patents | 98 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 6 |
| 2016 | 8 |
| 2017 | 17 |
| 2018 | 12 |
| 2019 | 13 |
| 2020 | 8 |
| 2021 | 8 |
| 2022 | 7 |
| 2023 | 10 |
| 2024 | 5 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Honeycomb structure
US-10632647-B2 · Apr 28, 2020 · US
Honeycomb structure
US-10632709-B2 · Apr 28, 2020 · US
Honeycomb structure
US-10562015-B2 · Feb 18, 2020 · US
Micro coil
US-10493435-B2 · Dec 3, 2019 · US
An extruded honeycomb catalyst
US-2019344247-A1 · Nov 14, 2019 · US
Activated Porous Fibers and Products Including Same
US-2019309455-A1 · Oct 10, 2019 · US
Photocatalyst
US-10434505-B1 · Oct 8, 2019 · US
Exhaust treatment catalysts with enhanced hydrothermal stability and low-temperature activity
US-10427137-B2 · Oct 1, 2019 · US
Photocatalyst
US-2019291090-A1 · Sep 26, 2019 · US
Catalyst block
US-10376870-B2 · Aug 13, 2019 · US
Honeycomb structure
US-10369545-B2 · Aug 6, 2019 · US
Process for removing oxygen from a gas mixture comprising hydrocarbon and oxygen
US-10363524-B2 · Jul 30, 2019 · US
Selective catalytic reduction articles and systems
US-2019170042-A1 · Jun 6, 2019 · US
Temperature maintenance and regulation of vehicle exhaust catalyst systems with phase change materials
US-10265657-B2 · Apr 23, 2019 · US
Honeycomb structure
US-10195814-B2 · Feb 5, 2019 · US
A catalyst bed and method for reducing nitrogen oxides
US-2019001266-A1 · Jan 3, 2019 · US
A catalyst bed and method for reducing nitrogen oxides
US-2018369800-A1 · Dec 27, 2018 · US
A reactor for reducing nitrogen oxides
US-2018369753-A1 · Dec 27, 2018 · US
Micro coil
US-2018333700-A1 · Nov 22, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D2255/90?
- CPC B01D2255/90 is the Cooperative Patent Classification code for “Physical characteristics of catalysts.”
- How many patents are filed under CPC B01D2255/90 (Physical characteristics of catalysts)?
- Our database includes 98 publications tagged with this CPC code.
- Is patent activity under CPC B01D2255/90 growing?
- Publication counts under this code: 5 in 2024 vs 3 in 2025 (latest complete years).