Oxygen sensor protection
US-10286353-B2 · May 14, 2019 · US
Compounds comprising hydrogen, e.g. silanes
Compounds comprising hydrogen, e.g. silanes · 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 | B01D2257/553 |
| Official title | Compounds comprising hydrogen, e.g. silanes |
| Display label | Compounds comprising hydrogen, e.g. silanes |
| Total patents | 150 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 8 |
| 2017 | 12 |
| 2018 | 25 |
| 2019 | 21 |
| 2020 | 21 |
| 2021 | 9 |
| 2022 | 10 |
| 2023 | 11 |
| 2024 | 13 |
| 2025 | 8 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Exhaust System with U-Shaped Pipes
US-2019079418-A1 · Mar 14, 2019 · US
Plasma abatement of compounds containing heavy atoms
US-2019022577-A9 · Jan 24, 2019 · US
Continuous process for cleaning process waste air obtained in the production of silicones
US-2018369747-A1 · Dec 27, 2018 · US
Method for preparing solids from a mixture of at least two malachite powders
US-2018353941-A1 · Dec 13, 2018 · US
Method for preparing solids from a mixture of at least one malachite powder and an oxide powder and the use of said solids
US-2018353929-A1 · Dec 13, 2018 · US
Gas treatment apparatus
US-10150120-B2 · Dec 11, 2018 · US
Vacuum pump with abatement function
US-10143964-B2 · Dec 4, 2018 · US
Materials, methods, and devices for siloxane contaminant removal
US-10130905-B2 · Nov 20, 2018 · US
Purification of a gas stream
US-10130906-B2 · Nov 20, 2018 · US
Plasma abatement of compounds containing heavy atoms
US-2018318758-A1 · Nov 8, 2018 · US
Oxygen sensor protection
US-2018296968-A1 · Oct 18, 2018 · US
Method and system for providing upgraded biogas
US-2018251694-A1 · Sep 6, 2018 · US
Copper adsorbent for acetylene converter guard bed
US-2018245006-A1 · Aug 30, 2018 · US
Hydrogen gas recovery system and hydrogen gas separation and recovery method
US-2018237298-A1 · Aug 23, 2018 · US
Copper adsorbent for gas purification
US-2018229211-A1 · Aug 16, 2018 · US
Multistage membrane separation and purification process and apparatus for separating high purity methane gas
US-10047310-B2 · Aug 14, 2018 · US
Abatement system
US-2018214812-A1 · Aug 2, 2018 · US
Vacuum pump with abatement function
US-2018207580-A1 · Jul 26, 2018 · US
Inlet assembly
US-2018209644-A1 · Jul 26, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D2257/553?
- CPC B01D2257/553 is the Cooperative Patent Classification code for “Compounds comprising hydrogen, e.g. silanes.”
- How many patents are filed under CPC B01D2257/553 (Compounds comprising hydrogen, e.g. silanes)?
- Our database includes 150 publications tagged with this CPC code.
- Is patent activity under CPC B01D2257/553 growing?
- Publication counts under this code: 13 in 2024 vs 8 in 2025 (latest complete years).