Processes and systems for removing coke particles from a pyrolysis effluent
US-12473497-B2 · Nov 18, 2025 · US
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Spicer David patents
Spicer David is listed as an inventor on 27 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Spicer David |
| Total patents | 27 |
| First publication | Mar 21, 2019 |
| Latest publication | Nov 18, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Processes and Systems for Steam Cracking Hydrocarbon Feeds
US-2025257267-A1 · Aug 14, 2025 · US
Methods and Systems for Constructing a Hydrocarbon Processing Facility
US-2025035379-A1 · Jan 30, 2025 · US
Steam Cracking Furnace and Process
US-2025011659-A1 · Jan 9, 2025 · US
Processes and systems for quenching pyrolysis effluents
US-12187967-B2 · Jan 7, 2025 · US
Duty Recovery System and Process for Steam Cracking Furnace
US-2025002792-A1 · Jan 2, 2025 · US
Steam Cracking Processes Having an Elevated Coil Outlet Pressure
US-2024360053-A1 · Oct 31, 2024 · US
Burner Device with Primary Air Chamber, Staged Air Chamber, and Tertiary Air Chamber
US-2024344693-A1 · Oct 17, 2024 · US
Conduits for cooling a hydrocarbon gas-containing stream and processes for using same
US-12098337-B2 · Sep 24, 2024 · US
Amine CO2 separation process integrated with hydrocarbons processing
US-12097464-B2 · Sep 24, 2024 · US
Recent patents
Latest publications not already listed above.
Processes and Systems for Co-Processing a Hydrocarbon Feed and a Heavy Feed Containing a Plastic Material
US-2024247193-A1 · Jul 25, 2024 · US
Processes and Systems for Removing Deposits from an Integrated Plastic Pyrolysis Vessel and a Steam Cracking Furnace
US-2024247194-A1 · Jul 25, 2024 · US
High pressure ethane cracking with small diameter furnace tubes
US-12024685-B2 · Jul 2, 2024 · US
Furnace systems and methods for cracking hydrocarbons
US-12024684-B2 · Jul 2, 2024 · US
Processes and Systems for Steam Cracking Hydrocarbon Feeds
US-2024166953-A1 · May 23, 2024 · US
Processes and Systems for Quenching Pyrolysis Effluents
US-2024110110-A1 · Apr 4, 2024 · US
Methods and Systems for Cracking Hydrocarbons
US-2024067884-A1 · Feb 29, 2024 · US
Processes and Systems for Removing Coke Particles from a Pyrolysis Effluent
US-2024059980-A1 · Feb 22, 2024 · US
Amine CO2 Separation Process Integrated with Hydrocarbons Processing
US-2023099742-A1 · Mar 30, 2023 · US
Conduits for Cooling a Hydrocarbon Gas-Containing Stream and Processes for Using Same
US-2023094752-A1 · Mar 30, 2023 · US
Integration of hydrogen-rich fuel-gas production with olefins production plant
US-11512257-B1 · Nov 29, 2022 · US
Production of hydrogen-rich fuel-gas with reduced CO2 emission
US-11498834-B1 · Nov 15, 2022 · US
Hydrocarbon reforming processes with shaft power production
US-11479462-B1 · Oct 25, 2022 · US
Furnace Systems and Methods for Cracking Hydrocarbons
US-2022259504-A1 · Aug 18, 2022 · US
High Pressure Ethane Cracking with Small Diameter Furnace Tubes
US-2022081623-A1 · Mar 17, 2022 · US
Process and apparatus for reducing thermal shock in a hydrocarbon steam cracking furnace
US-10669487-B2 · Jun 2, 2020 · US
Process and Apparatus for Reducing Thermal Shock in a Hydrocarbon Steam Cracking Furnace
US-2019085249-A1 · Mar 21, 2019 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Exxonmobil Chemical Patents Inc | 23 |
| Exxonmobil Technology & Engineering Company | 4 |
| Exxonmobil Engineering And Tech Company | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C10G9/36 | 18 |
| C10G2400/20 | 15 |
| C10G9/16 | 10 |
| C10G9/20 | 7 |
| C10G2300/1081 | 6 |