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Last updated: October 26, 2026

Chevron U.s.a. Inc.: all pending office actions

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App #TitleExaminerArt UnitStatutesStatusDue inAIFiled
19352012 Methods for Hydrocarbon Recovery from Unconventional Formations VARMA, ASHISH K 3674 §103 Non-Final OA — Pending Oct 07, 2025
19261205 COMPOSITIONS CONTAINING FRICTION REDUCERS AND METHODS OF USING THEREOF IN OIL AND GAS OPERATIONS SKAIST, AVI T. 3674 §103§112 Non-Final OA — Pending Jul 07, 2025
19202480 CONVERSION OF WASTE PLASTIC AND OIL BLEND WITH A CONTAMINANT REMOVAL STEP DOYLE, BRANDI M 1771 §103§112DP Non-Final OA — Pending May 08, 2025
19085838 METHOD FOR MAKING HYDRODEOXYGENATION AND HYDROTREATING SLURRY CATALYSTS AND THEIR APPLICATION TO RENEWABLE FUEL PRODUCTION MCAVOY, ELLEN M 1771 DP Non-Final OA — Pending Mar 20, 2025
19083128 METHODS FOR IMPROVING HYDROCARBON LIFT AND LIQUID UNLOADING FROM A SUBTERRANEAN FORMATION AHUJA, ANURADHA 3674 §103§112 Non-Final OA — Pending Mar 18, 2025
19060173 ENHANCED CIRCULARITY AT ENHANCED ETHYLENE YIELD CEPLUCH, ALYSSA L 1772 §103§112 Non-Final OA — Pending Feb 21, 2025
19060018 RENEWABLE ETHYLENE AT MINIMUM CARBON INTENSITY VASISTH, VISHAL V 1771 §102§103§112DP Non-Final OA — Pending Feb 21, 2025
19056501 ENHANCED RENEWABLE FEEDSTOCK CRACKING USING MODIFIED FCC CATALYSTS VASISTH, VISHAL V 1771 §102 Non-Final OA — Pending Feb 18, 2025
18880257 CATALYST AND PROCESS TO MAKE RENEWABLE DIESEL AND SUSTAINABLE AVIATION FUEL MCAVOY, ELLEN M 1771 §103§112 Non-Final OA — Pending Dec 30, 2024
18999179 USE OF BLEND OF POLYSTYRENE WITH HYDROCARBON FEEDSTOCK FOR GASOLINE AND CHEMICALS PREPARATION GRAHAM, CHANTEL LORAN 1771 §103 Non-Final OA — Pending Dec 23, 2024
18869743 QUANTIFICATION OF LIQUID AND CORRECTION OF GAS FLOW RATE IN A GAS PIPELINE USING PHASE BEHAVIOR ALLEN, ANDRE J — §103 Non-Final OA — Pending Nov 26, 2024
18862445 MACHINE LEARNING APPROACH FOR DESCRIPTIVE, PREDICTIVE, AND PRESCRIPTIVE FACILITY OPERATIONS LU, HUA 2118 §103 Non-Final OA — Pending Nov 01, 2024
18926115 MEMBRANE-BASED NATURAL GAS SWEETENING UNDER HUMID CONDITIONS GAY, JENNIFER HAWKINS 1776 §112 Non-Final OA — Pending Oct 24, 2024
18853343 RENEWABLE BIOMASS FEED SLURRY HYDROPROCESSING HINES, LATOSHA D 1771 §102§112 Non-Final OA — Pending Oct 01, 2024
18898849 HYDROCRACKING OPERATION WITH REDUCED ACCUMULATION OF HEAVY POLYNUCLEAR AROMATICS STEIN, MICHELLE 1771 §103§112 Non-Final OA — Pending Sep 27, 2024
18887629 Inhibiting Bridging In Annular Packs Within A Well YAO, THEODORE N 3676 §103 Non-Final OA — Pending Sep 17, 2024
18810971 MOLECULAR SIEVE, BORON ITQ-21, ITS SYNTHESIS AND USE CAMPANELL, FRANCIS C 1771 §112 Non-Final OA — Pending Aug 21, 2024
18833649 DETERMINING AT LEAST ONE PETROPHYSICAL PROPERTY POPE, DARYL C 2686 §102§103 Non-Final OA — Pending Jul 26, 2024
18761003 DETERMINING AN EFFECTIVE STORAGE CAPACITY OF AN UNCONVENTIONAL SUBSURFACE VOLUME OF INTEREST AS A FUNCTION OF POSITION ULLAH, ARIF 3625 §101§103 Final Rejection — Pending Jul 01, 2024
18738917 PROCESS TO MAKE A RENEWABLE PRODUCT FROM BIOFEEDSTOCK NGUYEN, TAM M 1771 §102§103§112 Non-Final OA — Pending Jun 10, 2024
18675907 CABLE PROTECTION APPARATUS GARFT, CHRISTOPHER 3632 §103 Final Rejection — Pending May 28, 2024
18665426 FILTER HOLDERS, FILTRATION SYSTEMS, METHODS OF FILTERING A FLUID, AND METHODS OF MANUFACTURING A FILTRATION SYSTEM KURTZ, BENJAMIN M 1779 §102§103 Non-Final OA — Pending May 15, 2024
18697891 FUEL ADDITIVES FOR LOWERING DEPOSIT AND PARTICULATE EMISSION TOOMER, CEPHIA D 1771 §103§112 Final Rejection 43d Pending Apr 02, 2024
18591526 SYSTEMS FOR HEAT PRESERVATION DURING HYDROGENATION AND DEHYDROGENATION HENDRICKSON, STUART L 1736 §103§112 Non-Final OA — Pending Feb 29, 2024
18590356 IDENTIFICATION OF COMMONALITIES AMONG DIFFERENT DESCRIPTIONS TURNER, SHELBY AUBURN 2857 §101§103§112 Non-Final OA — Pending Feb 28, 2024
18431316 HEALTH MONITORING FOR HYDRAULIC EQUIPMENT COMPONENTS QUIGLEY, KYLE ROBERT 2857 §101§102§103 Non-Final OA — Pending Feb 02, 2024
18430229 SYSTEM AND METHOD FOR GENERATING A MICROBIAL GAS FAVORABILITY INDEX MAP LEE, BYUNG RO 2858 §101 Final Rejection — Pending Feb 01, 2024
18576716 HIGHLY STRUCTURED, HIGH VINYLIDENE PROPYLENE OLIGOMER AND METHOD OF MAKING CHONG, JASON Y 1772 §103§112 Final Rejection 19d overdue Pending Jan 04, 2024
18530041 PROCESS TO REMOVE MERCURY FROM MONOETHYLENE GLYCOL STREAMS MERKLING, MATTHEW J 1725 §102§103§112 Final Rejection — Pending Dec 05, 2023
18524847 SYSTEMS AND METHODS TO ENHANCE HEAVY METALS REMOVAL FROM LIQUID HYDROCARBONS NGUYEN, TAM M 1771 §103 Non-Final OA — Pending Nov 30, 2023
18511835 GAS-LIQUID SEPARATION DEVICE FOR AN EBULLATED BED REACTOR BUI, DUNG H 1773 §102§103 Final Rejection — Pending Nov 16, 2023
18503615 HYBRID POWER SYSTEMS FOR EQUIPMENT USED IN SUBTERRANEAN FIELD OPERATIONS AHMED, ISTIAQUE 2116 §103 Final Rejection 2d overdue Pending Nov 07, 2023
18482821 SYSTEM AND METHOD FOR DISTRIBUTED ACOUSTIC SENSING VERTICAL SEISMIC PROFILE MODELING ISHIZUKA, YOSHIHISA 2857 §101 Final Rejection — Pending Oct 06, 2023
18479566 INTEGRATED FLUID LEAK DETECTION USING MULTIPLE SENSORS SULTANA, DILARA 2858 §103 Final Rejection 15d Pending Oct 02, 2023
18552655 MOLECULAR SIEVE SSZ-92, CATALYST, AND METHODS OF USE THEREOF BOYER, RANDY 1771 §103§112 Non-Final OA — Pending Sep 26, 2023
18546132 MACHINE LEARNING WORKFLOW TO PREDICT SANDING EVENTS HAO, YI 2187 §101§103§112Other Non-Final OA — Pending Aug 11, 2023
18361406 SUBSURFACE REGION MODELING THAT HONORS CONSTRAINTS ON AND CORRELATIONS BETWEEN SUBSURFACE PROPERTIES WHITE, JAY MICHAEL 2188 §101§103 Non-Final OA — Pending Jul 28, 2023
18263119 PROCESS FOR MAKING HEAVY GRADE BASE OIL PRODUCTS BOYER, RANDY 1771 §102§103§112 Non-Final OA — Pending Jul 26, 2023
18269915 HYDROISOMERIZATION CATALYST WITH IMPROVED THERMAL STABILITY SPEER, JOSHUA MAXWELL 1736 §102§103§112 Non-Final OA — Pending Jun 27, 2023
18269754 PROCESSES FOR PRODUCING DIESEL FROM UNCONVENTIONAL FEEDSTOCKS SPEER, JOSHUA MAXWELL 1736 §102§103 Final Rejection 15d Pending Jun 26, 2023
18311884 SYSTEM AND METHOD FOR ASPHALTENE ANOMALY PREDICTION VAUGHN, RYAN C 2125 §103 Non-Final OA 46d Pending May 03, 2023
18043738 PROCESS AND SYSTEM FOR BASE OIL PRODUCTION USING BIMETALLIC SSZ-91 CATALYST VALENCIA, JUAN C 1771 §103 Final Rejection 33d Pending Mar 02, 2023
18116214 CATALYST FOR NON-OXIDATIVE CONVERSION OF HYDROCARBONS TO HYDROGEN SIMKINS, SLONE ELIZABETH 1735 §102§103 Non-Final OA — Pending Mar 01, 2023
18042715 TRIMETAL SUPPORTED CATALYST VALENCIA, JUAN C 1771 §103 Final Rejection 22d overdue Pending Feb 23, 2023
18003420 SILICA IN ROCK SAMPLES ISLAM, MOHAMMAD K 2857 §101§102 Non-Final OA 65d Pending Dec 27, 2022
18003459 PROPERTIES OF ROCKS KNOX, KALERIA 2857 §101§103 Final Rejection — Pending Dec 27, 2022
18003449 STRATIGRAPHIC METHODS ABULABAN, ABDALLAH 3645 §103 Final Rejection 12d Pending Dec 27, 2022
17982089 PROBABILISTIC CLASSIFICATION OF ROCK TYPES USING MULTIVARIATE PROBABILITY DISTRIBUTIONS OF SUBSURFACE PROPERTIES AND SPATIAL CONTINUITY DESTA, ELIAS 2857 §101 Final Rejection — Pending Nov 07, 2022
17774085 Silica-Alumina Composite Materials for Hydroprocessing Applications RUMP, RICHARD M 1759 §103 Final Rejection 57d Pending May 03, 2022
17654632 SYSTEM AND METHOD FOR SEISMIC VELOCITY AND ANISOTROPIC PARAMETER MODELING COCCHI, MICHAEL EDWARD 2188 §101 Final Rejection 16d Pending Mar 14, 2022
17634438 PROCESS FOR IMPROVING BASE OIL YIELDS DOYLE, BRANDI M 1771 §103 Final Rejection 51d overdue Pending Feb 10, 2022
17534076 DEEP REINFORCEMENT LEARNING FOR FIELD DEVELOPMENT PLANNING OPTIMIZATION DAY, ROBERT N 2122 §103 Non-Final OA — Pending Nov 23, 2021

Data sourced from USPTO Patent File Wrapper (daily) and Office Action Archive (weekly). Analysis generated by IP Author.

Data: USPTO Patent File Wrapper (daily) • Office Action Archive (weekly) • 89M+ prosecution events

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