Purge Gas Contaminate Elimination Device and System for a Vehicle
US-2021394086-A1 · Dec 23, 2021 · US
by changing the temperature
by changing the temperature · 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 | B01D17/042 |
| Official title | {by changing the temperature} |
| Display label | by changing the temperature |
| Total patents | 109 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 8 |
| 2016 | 2 |
| 2017 | 9 |
| 2018 | 9 |
| 2019 | 14 |
| 2020 | 6 |
| 2021 | 18 |
| 2022 | 5 |
| 2023 | 15 |
| 2024 | 8 |
| 2025 | 10 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Purge Gas Contaminate Elimination System for a Vehicle
US-2021394087-A1 · Dec 23, 2021 · US
Device and method for separating two immiscible liquids by means of a bicontinuous phase
US-2021260499-A1 · Aug 26, 2021 · US
Subsea processing of well fluids
US-11091995-B2 · Aug 17, 2021 · US
Gas supply system, vehicle, and hydrogen supply facility
US-11079072-B2 · Aug 3, 2021 · US
Separation vessel and buoyant thermal energy transfer device for use therein
US-2021213375-A1 · Jul 15, 2021 · US
Desalting plant systems and methods for enhanced tight emulsion crude oil treatment
US-11034893-B2 · Jun 15, 2021 · US
Floating assembly of inclined channels with an applied electrical field for the accelerated electrostatic separation of water-in-oil dispersions
US-2021154599-A1 · May 27, 2021 · US
Process to produce oil or gas from a subterranean formation using a chelating agent
US-10995257-B2 · May 4, 2021 · US
Wood-based solar thermal devices, and methods for fabrication and use thereof
US-2021088252-A1 · Mar 25, 2021 · US
System for degassing and/or separation of fluid streams and methods of using same
US-2021023477-A1 · Jan 28, 2021 · US
Method of converting plastic waste into useful stock
US-10894870-B2 · Jan 19, 2021 · US
Subsea Processing of Crude Oil
US-2020378234-A1 · Dec 3, 2020 · US
Desalting plant systems and methods for enhanced tight emulsion crude oil treatment
US-2020255748-A1 · Aug 13, 2020 · US
Immersed plate heater separation system
US-10596489-B2 · Mar 24, 2020 · US
High temperature tolerant, modified cationic starch-based additives for water clarification
US-2020024527-A1 · Jan 23, 2020 · US
Process for component separation utilizing miscibility depression near a freezing point
US-10537843-B2 · Jan 21, 2020 · US
System for Recovery of Waste Gel-Mass From Softgel Manufacturing Process
US-2020017797-A1 · Jan 16, 2020 · US
Process for recovery of waste gel-mass from softgel manufacturing process
US-10465143-B2 · Nov 5, 2019 · US
Method of converting plastic waste into useful stock
US-2019322832-A1 · Oct 24, 2019 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D17/042?
- CPC B01D17/042 is the Cooperative Patent Classification code for “by changing the temperature.”
- How many patents are filed under CPC B01D17/042 (by changing the temperature)?
- Our database includes 109 publications tagged with this CPC code.
- Is patent activity under CPC B01D17/042 growing?
- Publication counts under this code: 8 in 2024 vs 10 in 2025 (latest complete years).