Description
Class B01D : SEPARATION
Subclass 3/00: Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
B01D 3/00
Sub-Class
Stats
- 1,179 US PATENTS IN FORCE
- 152 US APPLICATIONS PENDING
- 367 Total Patent Owners
- 4,009 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12264126 | Device and method for refining ethanol | Nov 28, 24 | Apr 01, 25 | Beijing Institute of Technology; Beijing University of Chemical Technology; |
| 12264123 | Method of producing a fuel additive | Mar 05, 20 | Apr 01, 25 | Sabic Global Technologies B.V.; Saudi Arabian Oil Company; |
| 12257528 | Methods and systems for separating metals | Sep 22, 23 | Mar 25, 25 | NANT HOLDINGS IP LLC |
| 12246274 | System and method for distillation | May 23, 24 | Mar 11, 25 | PRAJ INDUSTRIES LIMITED |
| 12247003 | System and process for removal of organic carboxylates from mono ethylene glycol (MEG) water streams by acidification and vaporization under vacuum | Oct 03, 23 | Mar 11, 25 | Cameron International Corporation |
| 12234418 | Hydrocarbon stream separation system and method | Feb 04, 22 | Feb 25, 25 | CARBOVATE DEVELOPMENT CORP. |
| 12233362 | Energy saving and emission reduction system for chemical separation and purification process | Feb 23, 23 | Feb 25, 25 | Not available |
| 12233363 | Vapor distribution system in a concentric reboiler | Aug 28, 22 | Feb 25, 25 | UOP LLC |
| 12221360 | Low energy ejector desalination system | Sep 23, 22 | Feb 11, 25 | BECHTEL ENERGY TECHNOLOGIES & SOLUTIONS, INC. |
| 12209061 | Integrated production of urea for Diesel Exhaust Fluid and urea ammonium nitrate | Jul 07, 21 | Jan 28, 25 | Stamicarbon B.V. |
| 12209063 | Processes for removing carbon disulfide from symmetrical and asymmetrical sulfide product streams | Nov 14, 23 | Jan 28, 25 | Chevron Phillips Chemical Company LP |
| 12195420 | Process for the production of 1,4-butanediol from renewable sources and polyesters obtained therefrom | Jun 07, 22 | Jan 14, 25 | Novamont S. p. A. |
| 12185739 | Automated method and system for recovering protein powder meal, omega 3 oil and purified distilled water from animal tissue | Nov 13, 20 | Jan 07, 25 | Advance International Inc. |
| 12180070 | Process for preparing hydrazine hydrate with oxime recycling | May 12, 20 | Dec 31, 24 | Arkema France |
| 12168754 | Systems and methods for treating pyrolysis oil | Mar 16, 22 | Dec 17, 24 | Chevron Phillips Chemical Company LP |
| 12163101 | Method for retrofitting an existing plant with a bran fractionation process | Mar 10, 23 | Dec 10, 24 | ICM, Inc. |
| 12162814 | Dimerization and trimerization of C5 olefins via catalytic distillation | Oct 28, 21 | Dec 10, 24 | Lummus Technology LLC |
| 12162763 | Method for producing purified chlorosilanes | Jan 21, 20 | Dec 10, 24 | Tokuyama Corporation |
| 12157071 | Mechanical vapor recompression (MVR) liquid purification system | Jun 23, 21 | Dec 03, 24 | Aquafair AB |
| 12151183 | Distillation apparatus | Sep 25, 19 | Nov 26, 24 | Clean Water Designs Ltd |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0114,723 | A SYSTEM AND METHOD FOR DISTILLATION | Jun 01, 23 | Apr 10, 25 | Not available |
| 2025/0115,534 | ETHANE RECOVERY PROCESS AND ALKYLATION PROCESS WITH ETHANE RECOVERY | Dec 16, 24 | Apr 10, 25 | Lummus Technology LLC |
| 2025/0109,364 | DIRECT RECTIFICATION OF MOLECULAR SIEVE REGENERANT AND METHOD OF USING THE SAME | Aug 27, 24 | Apr 03, 25 | Not available |
| 2025/0098,701 | AUTOMATED METHOD AND SYSTEM FOR RECOVERING PROTEIN POWDER MEAL, OMEGA 3 OIL AND PURIFIED DISTILLED WATER FROM ANIMAL TISSUE | Nov 25, 24 | Mar 27, 25 | Advance International Inc. |
| 2025/0100,905 | A Sustainable System and Method for Removing and Concentrating Per- And Polyfluoroalkyl Substances (PFAS) From Water | Dec 06, 24 | Mar 27, 25 | Not available |
| 2025/0091,905 | PRODUCTION OF SYNTHETIC HYDROCARBONS | Nov 29, 24 | Mar 20, 25 | Not available |
| 2025/0091,973 | PROCESS FOR THE PRODUCTION OF 1,4-BUTANEDIOL FROM RENEWABLE SOURCES AND POLYESTERS OBTAINED THEREFROM | Dec 03, 24 | Mar 20, 25 | Novamont S.p.A. |
| 2025/0065,244 | LIQUID DISTRIBUTOR | Aug 23, 24 | Feb 27, 25 | L'Air Liquide, Societe Anonyme pour l'Etude et l’Exploitation des Procedes Georges Claude |
| 2025/0065,245 | A COMPRESSOR-DRIVEN THERMAL SEPARATION PROCESS USING DIFFUSION GAP DISTILLATION AND WICKING, THERMALLY CONDUCTIVE HEAT TRANSFER SURFACES | Oct 31, 23 | Feb 27, 25 | Not available |
| 2025/0066,269 | METHOD OF COMBINED SEPARATION AND CONVERSION OF AN OXYGENATE AND MICROCHANNEL REACTIVE DISTILLATION APPARATUS | Aug 21, 23 | Feb 27, 25 | Not available |
| 2025/0041,757 | PROCESS FOR PRODUCING METHANOL WITH UTILIZATION OF THE WASTE HEAT FROM AN ELECTROLYSER | Jul 31, 24 | Feb 06, 25 | L'Air Liquide, Societe Anonyme pour l'Etude et l’Exploitation des Procedes Georges Claude |
| 2025/0041,816 | INTEGRATED PLANT AND PROCESS FOR THE PRODUCTION OF METHANOL FROM CARBON DIOXIDE AND HYDROGEN | Dec 05, 22 | Feb 06, 25 | Not available |
| 2025/0042,773 | Systems And Methods For Treating Biologically Contaminated Water Streams | May 17, 24 | Feb 06, 25 | Not available |
| 2025/0032,951 | Reactive Distillation System and Method for Production of Hydrogen from Hydriodic Acid | Jul 23, 24 | Jan 30, 25 | Not available |
| 2025/0025,807 | SURFACE EVAPORATION SYSTEM | Apr 01, 24 | Jan 23, 25 | Not available |
| 2025/0019,630 | DE-ALCOHOLISATION METHOD AND DEVICE, AND USES THEREOF | Dec 07, 22 | Jan 16, 25 | Not available |
| 2025/0011,573 | NATURAL CRYSTALLINE COLORANT AND PROCESS FOR PRODUCTION | Sep 24, 24 | Jan 09, 25 | Not available |
| 2025/0011,699 | DUAL-PROCESS SOLVENT AND SUGAR PRODUCTION PLANTS | Jul 02, 24 | Jan 09, 25 | WHITEFOX TECHNOLOGIES LIMITED |
| 2025/0011,258 | SYSTEMS AND METHODS FOR HYDROCARBON PROCESSING | Jul 17, 24 | Jan 09, 25 | Enerflex US Holdings Inc. |
| 2024/0416,257 | PROCESS FOR EVAPORATING WATER FROM STILLAGE | May 14, 24 | Dec 19, 24 | Not available |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 30 Months (last 2 years Issuances)
- 30 Months (last 5 years Issuances)