Prosecution Insights
Last updated: April 19, 2026

Chevron U S A Inc.

63 pending office actions

Portfolio Summary

63
Total Pending OAs
16
Final Rejections
47
Non-Final OAs

Pending Office Actions

App #TitleExaminerArt UnitStatusFiled
19479782 METHODS AND SYSTEMS FOR OPTIMIZING THE STORAGE OF CARBON IN SUBTERRANEAN MAFIC AND ULTRAMAFIC ROCK FORMATIONS SUE-AKO, ANDREW B. 3674 Non-Final OA Oct 29, 2025
19243546 Manufacturing Micro-proppant Onsite SUE-AKO, ANDREW B. 3674 Non-Final OA Jun 19, 2025
19075599 REPURPOSING FLUIDIZED CATALYTIC CRACKING (FCC) SYSTEMS TO GENERATE RENEWABLE FUEL INTERMEDIATE COMPOSITIONS JEONG, YOUNGSUL 1772 Non-Final OA Mar 10, 2025
19102185 ENHANCED SUBSEA PRODUCTION RECOVERY USING SUBSEA JET PUMPS BOBISH, CHRISTOPHER S 3746 Non-Final OA Feb 07, 2025
18975959 FUEL ADDITIVES FOR REDUCING LOW SPEED PRE-IGNITION EVENTS TOOMER, CEPHIA D 1771 Final Rejection Dec 10, 2024
18791588 SUBSEA HIGH VOLTAGE LOOP CAP FOR TESTING AND MONITORING SUBSEA ELECTRICAL POWER SYSTEMS HE, AMY 2858 Non-Final OA Aug 01, 2024
18773287 INTERMEDIATE AND HYDROTREATED FUEL COMPOSITIONS FROM RENEWABLE LIPID FEEDSTOCKS PO, MING CHEUNG 1771 Final Rejection Jul 15, 2024
18771574 SYSTEM AND METHOD FOR ORCHESTRATING THE DETERMINATION OF A PRODUCT CARBON FOOTPRINT SANTOS-DIAZ, MARIA C 3629 Final Rejection Jul 12, 2024
18714681 Calcium Carbonate Coated Tracers For Assessing Acid Stimulation Operations In A Hydrocarbon Well LEE, CRYSTAL J 3674 Final Rejection May 30, 2024
18675907 CABLE PROTECTION APPARATUS GARFT, CHRISTOPHER 3632 Final Rejection May 28, 2024
18667035 SLURRY REACTOR SYSTEM FOR UPGRADING FEEDSTOCK HINES, LATOSHA D 1771 Non-Final OA May 17, 2024
18667043 SLURRY REACTOR SYSTEM FOR UPGRADING FEEDSTOCK PO, MING CHEUNG 1771 Non-Final OA May 17, 2024
18667040 SLURRY REACTOR SYSTEM FOR UPGRADING FEEDSTOCK VASISTH, VISHAL V 1771 Non-Final OA May 17, 2024
18617309 REFORMING PROCESS MCCAIG, BRIAN A 1772 Non-Final OA Mar 26, 2024
18597826 DEEPWATER RESONATOR ARRAY FOR SUBSEA NOISE MITIGATION PHILLIPS, FORREST M 2837 Non-Final OA Mar 06, 2024
18414853 SYSTEM AND METHOD FOR TESTING WELL INTEGRITY WALKER, CHRISTOPHER RICHARD 3645 Final Rejection Jan 17, 2024
18576716 HIGHLY STRUCTURED, HIGH VINYLIDENE PROPYLENE OLIGOMER AND METHOD OF MAKING CHONG, JASON Y 1772 Non-Final OA Jan 04, 2024
18532849 SYSTEMS AND METHODS FOR CORRECTING DISTRIBUTED ACOUSTIC SENSING DATA CHARIOUI, MOHAMED 2857 Non-Final OA Dec 07, 2023
18525073 WELL EVALUATION USING WATER CHEMISTRY ANALYSIS TCHATCHOUANG, CARL F.R. 2858 Non-Final OA Nov 30, 2023
18511835 GAS-LIQUID SEPARATION DEVICE FOR AN EBULLATED BED REACTOR BUI, DUNG H 1773 Non-Final OA Nov 16, 2023
18503615 HYBRID POWER SYSTEMS FOR EQUIPMENT USED IN SUBTERRANEAN FIELD OPERATIONS AHMED, ISTIAQUE 2116 Non-Final OA Nov 07, 2023
18385775 OPTIMIZING A FIELD OPERATION THAT COMPRISES A GAS INJECTION DO, AN H 2853 Non-Final OA Oct 31, 2023
18556671 FILTRATION DEVICE FOR A DOWN-FLOW HYDROPROCESSING REACTOR NORRIS, CLAIRE A 1779 Non-Final OA Oct 21, 2023
18482827 SYSTEM AND METHOD FOR PROCESSING DISTRIBUTED ACOUSTIC SENSING SEISMIC DATA ISHIZUKA, YOSHIHISA 2857 Non-Final OA Oct 06, 2023
18479566 INTEGRATED FLUID LEAK DETECTION USING MULTIPLE SENSORS SULTANA, DILARA 2858 Non-Final OA Oct 02, 2023
18552665 MOLECULAR SIEVE SSZ-94, CATALYST, AND METHODS OF USE THEREOF LALISSE, REMY FREDERIC 1732 Non-Final OA Sep 26, 2023
18552176 Platinum-Palladium Bimetallic Hydrocracking Catalyst VALENCIA, JUAN C 1771 Final Rejection Sep 23, 2023
18469134 INJECTION FLUIDS COMPRISING A NON-IONIC SURFACTANT FOR TREATING UNCONVENTIONAL FORMATIONS BLAND, ALICIA 1759 Non-Final OA Sep 18, 2023
18243192 FLUID CATALYTIC CRACKING METHOD EMPLOYING A WASTE PLASTIC FEEDSTOCK NGUYEN, TAM M 1771 Non-Final OA Sep 07, 2023
18548903 SYSTEM AND METHOD FOR IMPURITY REMOVAL FROM CARGO TANKS OF VESSELS THAT STORE AND TRANSPORT HYDROCARBONS DELCOTTO, GREGORY R 1761 Non-Final OA Sep 03, 2023
18234017 METHOD FOR PRODUCING LIQUEFIED CARBON DIOXIDE FROM LIQUEFIED NATURAL GAS DAVIS, SHENG HAN 1732 Non-Final OA Aug 15, 2023
18365023 SYSTEM AND METHOD FOR SEISMIC INTERPRETATION USING MULTISPECTRAL VARIANCE AIELLO, JEFFREY P 2857 Non-Final OA Aug 03, 2023
18262171 METHOD FOR MAKING BASE OIL WITH ENHANCED COLOR STABILITY GOLOBOY, JAMES C 1771 Non-Final OA Jul 19, 2023
18261998 BASE OIL PRODUCTION USING UNCONVERTED OIL VALENCIA, JUAN C 1771 Non-Final OA Jul 18, 2023
18261481 HYDROISOMERIZATION CATALYSTS MCCAIG, BRIAN A 1772 Non-Final OA Jul 13, 2023
18260223 Improved Process to Make Finished Base Oils and White Oils from Dewaxed Bulk Base Oils VALENCIA, JUAN C 1771 Non-Final OA Jun 30, 2023
18270208 SELECTIVE HYDROCRACKING OF NORMAL PARAFFINS MCCAIG, BRIAN A 1772 Non-Final OA Jun 29, 2023
18269922 SELECTIVE HYDROCRACKING OF NORMAL PARAFFIN SHERMAN, ERIC SCOTT 1736 Non-Final OA Jun 27, 2023
18269754 PROCESSES FOR PRODUCING DIESEL FROM UNCONVENTIONAL FEEDSTOCKS SPEER, JOSHUA MAXWELL 1736 Non-Final OA Jun 26, 2023
18269256 PROCESS PROVIDING IMPROVED BASE OIL YIELD NGUYEN, TAM M 1771 Final Rejection Jun 22, 2023
18338224 MOLECULAR SIEVE SSZ-92, CATALYST, AND METHODS OF USE THEREOF BOYER, RANDY 1771 Final Rejection Jun 20, 2023
18331115 Systems And Methods For Providing Battery Usage GO, RICKY 2857 Non-Final OA Jun 07, 2023
18325211 MOLECULAR SIEVE BORON SSZ-121, ITS SYNTHESIS AND USE QUIST, NICOLE LEE 1738 Non-Final OA May 30, 2023
18319462 METHOD FOR PREPARING ALUMINOSILICATE SSZ-82 QIAN, YUN 1738 Non-Final OA May 17, 2023
18036621 Catalyst System And Process Using SSZ-91 And SSZ-95 QIAN, YUN 1738 Non-Final OA May 11, 2023
18035171 SUBSURFACE CHARACTERIZATION BASED ON MULTIPLE CORRELATION SCENARIOS CORDERO, LINA M 2857 Final Rejection May 03, 2023
18128429 CIRCULAR ECONOMY FOR PLASTIC WASTE TO POLYPROPYLENE AND BASE OIL VIA REFINERY CRUDE UNIT NGUYEN, TAM M 1771 Final Rejection Mar 30, 2023
18128350 CIRCULAR ECONOMY FOR PLASTIC WASTE TO POLYETHYLENE AND BASE OIL VIA REFINERY HYDROCRACKING UNIT BOYKIN, TERRESSA M 1765 Non-Final OA Mar 30, 2023
18043738 PROCESS AND SYSTEM FOR BASE OIL PRODUCTION USING BIMETALLIC SSZ-91 CATALYST VALENCIA, JUAN C 1771 Non-Final OA Mar 02, 2023
18042715 TRIMETAL SUPPORTED CATALYST VALENCIA, JUAN C 1771 Non-Final OA Feb 23, 2023
18104087 SYSTEMS AND METHODS FOR DETECTING FRACTURE-DRIVEN INTERACTIONS AND IDENTIFYING FRACTURE-DRIVEN INTERACTION RISK IN A SUBSURFACE VOLUME OF INTEREST PARK, HYUN D 2857 Final Rejection Jan 31, 2023
18006495 HIGH ACTIVITY SECOND STAGE NAPHTHA HYDROCRACKING CATALYST VALENCIA, JUAN C 1771 Non-Final OA Jan 23, 2023
18003449 STRATIGRAPHIC METHODS ABULABAN, ABDALLAH 3645 Non-Final OA Dec 27, 2022
18145740 VIRTUAL FLOW RATE TEST COOK, BRIAN S 2187 Non-Final OA Dec 22, 2022
17999535 USE OF MTW-ZEOLITE IN SUPPORT FOR HYDROCRACKING CATALYSTS WITH IMPROVED SELECTIVITY AND COLD FLOW PROPERTY OF MIDDLE DISTILLATE ROBINSON, RENEE E 1772 Non-Final OA Nov 21, 2022
18054281 MOVING BED LIGNOCELLULOSIC BIOMASS CONVERSION WITH FLUID BED CATALYST REGENERATION ZHANG, KELING NMN 1732 Final Rejection Nov 10, 2022
17920977 POLYANIONIC SURFACTANTS AND METHODS OF MAKING AND USING THEREOF LI, AIQUN 1766 Final Rejection Oct 24, 2022
17963559 MULTIVARIATE NORMALIZATION OF WELL LOGS USING PROBABILITY DISTRIBUTION MODELING WAJE, CARLO C 2151 Non-Final OA Oct 11, 2022
17777930 REQUIREMENTS DECOMPOSITION FOR ENGINEERING APPLICATIONS SPRATT, BEAU D 2143 Non-Final OA May 18, 2022
17654632 SYSTEM AND METHOD FOR SEISMIC VELOCITY AND ANISOTROPIC PARAMETER MODELING COCCHI, MICHAEL EDWARD 2188 Non-Final OA Mar 14, 2022
17681109 WORKFLOW OF INFLOW PERFORMANCE RELATIONSHIP FOR A RESERVOIR USING MACHINE LEARNING TECHNIQUE JOHANSEN, JOHN E 2187 Final Rejection Feb 25, 2022
17634438 PROCESS FOR IMPROVING BASE OIL YIELDS DOYLE, BRANDI M 1771 Non-Final OA Feb 10, 2022
17368918 FUEL ADDITIVES FOR MITIGATING INJECTOR NOZZLE FOULING AND REDUCING PARTICULATE EMISSIONS GOLOBOY, JAMES C 1771 Final Rejection Jul 07, 2021

Managing Chevron U S A Inc.'s Patent Portfolio?

IP Author helps IP teams respond to office actions faster with AI-generated responses, examiner analytics, and prosecution intelligence.

Start Free Trial

Sign in with your work email

Enter your email to receive a magic link. No password needed.

Personal email addresses (Gmail, Yahoo, etc.) are not accepted.

Free tier: 3 strategy analyses per month