Method and plant for producing ethylene and/or other olefins by steam cracking
US-12398082-B2 · Aug 26, 2025 · US
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by partial condensation (F25J3/08 takes precedence; by rectification F25J3/02 {; purification of hydrocarbons in general C07C7/00})
by partial condensation (F25J3/08 takes precedence; by rectification F25J3/02 {; purification of hydrocarbons in general C07C7/00}) · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F25J3/06 |
| Official title | by partial condensation (F25J3/08 takes precedence; by rectification F25J3/02 {; purification of hydrocarbons in general C07C7/00}) |
| Display label | by partial condensation (F25J3/08 takes precedence; by rectification F25J3/02 {; purification of hydrocarbons in general C07C7/00}) |
| Total patents | 22 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2016 | 1 |
| 2017 | 2 |
| 2018 | 5 |
| 2019 | 4 |
| 2020 | 3 |
| 2021 | 2 |
| 2022 | 2 |
| 2024 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method and Plant for Producing Ethylene and/or Other Olefins by Steam Cracking
US-2024239728-A1 · Jul 18, 2024 · US
Production method and production apparatus for molybdenum hexafluoride
US-11878915-B2 · Jan 23, 2024 · US
Floating liquefied natural gas pretreatment system
US-11255487-B2 · Feb 22, 2022 · US
Floating liquefied natural gas pretreatment system
US-11255486-B2 · Feb 22, 2022 · US
Process for argon and nitrogen production
US-11104576-B2 · Aug 31, 2021 · US
Production method and production apparatus for molybdenum hexafluoride
US-2021155498-A1 · May 27, 2021 · US
Method and system for lowering the water dew point of a hydrocarbon fluid stream subsea
US-10786780-B2 · Sep 29, 2020 · US
Process for argon and nitrogen production
US-2020165131-A1 · May 28, 2020 · US
Hail tower for gas-vapor separations
US-10563916-B2 · Feb 18, 2020 · US
Process for producing and purifying a synthesis gas
US-10378818-B2 · Aug 13, 2019 · US
Reactor effluent wash to remove aromatics
US-10272359-B2 · Apr 30, 2019 · US
Method and industrial plant for obtaining helium from a helium-containing feed gas
US-10188982-B2 · Jan 29, 2019 · US
Hail Tower for Gas-Vapor Separations
US-2019003767-A1 · Jan 3, 2019 · US
Method and system for lowering the water dew point of a hydrocarbon fluid stream subsea
US-2018200669-A1 · Jul 19, 2018 · US
Method and system for lowering the water dew point of a hydrocarbon fluid stream subsea
US-9950293-B2 · Apr 24, 2018 · US
Reactor effluent wash to remove aromatics
US-2018043280-A1 · Feb 15, 2018 · US
Floating Liquefied Natural Gas Pretreatment System
US-2018038554-A1 · Feb 8, 2018 · US
Floating Liquefied Natural Gas Pretreatment System
US-2018038555-A1 · Feb 8, 2018 · US
Floating liquefied natural gas pretreatment system
US-9791106-B2 · Oct 17, 2017 · US