Prosecution Insights
Last updated: April 19, 2026

Examiner: MENGESHA, WEBESHET

Tech Center 3700 • Art Units: 3744 3763 3784

This examiner grants 47% of resolved cases

Performance Statistics

47.0%
Allow Rate
-23.0% vs TC avg
475
Total Applications
+12.7%
Interview Lift
1586
Avg Prosecution Days
Based on 423 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
11.8%
§102 Novelty
54.5%
§103 Obviousness
32.1%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17982114 INTEGRATED CRYOGENIC HYDROGEN TANK SYSTEMS AND METHODS FOR OPERATING THE SAME Final Rejection General Electric Company
18577527 METHODS FOR OPERATING HYDROCARBON REMOVAL SYSTEMS FROM NATURAL GAS STREAMS Non-Final OA EXXONMOBIL TECHNOLOGY AND ENGINEERING COMPANY
18002235 SEMICONDUCTOR REFRIGERATION PLATE AND MANUFACTURING METHOD THEREFOR Non-Final OA BYD COMPANY LIMITED
17875010 HEAT EXCHANGER FOR A LIQUEFIED NATURAL GAS FACILITY Final Rejection ConocoPhillips Company
17835170 COMPOSITE REFRIGERATION SYSTEM AND DATA CENTER Final Rejection Huawei Digital Power Technologies Co., Ltd.
18911318 SYSTEM FOR HEATING AND COOLING SYSTEM WITH STAND-ALONE MODULAR UNITS Non-Final OA Rensselaer Polytechnic Institute
19020881 APPARATUS AND SYSTEMS FOR LIQUEFACTION OF NATURAL GAS Non-Final OA STEELHEAD LNG (ASLNG) LTD.
18926107 SYSTEM AND APPARATUS FOR LIQUEFACTION OF NATURAL GAS Non-Final OA STEELHEAD LNG (ASLNG) LTD.
18644654 ULTRA-HIGH-PURITY OXYGEN PRODUCTION METHOD AND ULTRA-HIGH-PURITY OXYGEN PRODUCTION APPARATUS Non-Final OA L'Air Liquide, Societe Anonyme pour l'Etude et l’Exploitation des Procedes Georges Claude
18388358 PROCESS AND DEVICE FOR DISTILLING CARBON DIOXIDE Final Rejection L'Air Liquide, Societe Anonyme pour l'Etude et l’Exploitation des Procedes Georges Claude
18043948 BOTTOM WALL OF A LIQUEFIED GAS STORAGE TANK Non-Final OA GAZTRANSPORT ET TECHNIGAZ
18423590 PROCESS FOR COOLING A GAS BY MEANS OF A REFRIGERATION CYCLE Non-Final OA L'Air Liquide, Société Anonyme Pour I'Etude et I'Exploitation des Procédés Georges Claude
17786928 MIXING DEVICE PROMOTING A HOMOGENEOUS DISTRIBUTION OF A DIPHASIC MIXTURE, HEAT EXCHANGE FACILITY AND ASSOCIATED MIXING METHOD Non-Final OA L'Air Liquide Société Anonyme pour I'Etude et I'Exploitation des Procédés Georges Claude
18691172 CRYOGENIC CONTAINER WITH THERMAL BRIDGE SWITCH Non-Final OA Cryoshelter BioLNG GmbH
17983686 METHOD FOR SUPPLEMENTING CONDENSER HEAT REJECTION IN NATURAL GAS PROCESSING Final Rejection GTUIT, LLC
18702724 PURGING SYSTEM AND METHOD FOR BOIL-OFF GAS RELIQUEFACTION APPARATUS FOR SHIP Non-Final OA HANWHA OCEAN CO., LTD.
17764816 MULTI-CHANNEL HEAT EXCHANGER AND AIR CONDITIONING REFRIGERATION SYSTEM Final Rejection SANHUA (HANGZHOU) MICRO CHANNEL HEAT EXCHANGER CO., LTD.
18545364 Cryogenic-Based Carbon Dioxide Capture System Final Rejection Southwest Research Institute
18545358 Heated Work-Extraction Mechanism for a Cryogenic-Based Carbon Dioxide Capture System Non-Final OA Southwest Research Institute
18124795 SYSTEM AND METHOD FOR IMPROVING PROPANE RECOVERY AND ETHANE REJECTION IN A GSP/ EXPANDER SYSTEM Non-Final OA BCCK Holding Company
18014284 FACILITY AND METHOD FOR HYDROGEN REFRIGERATION Final Rejection L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
17919423 LIQUEFIED GAS STORAGE FACILITY Final Rejection L'Air Liquide, Societe Anonyme pour l'Etude et l'Exploitation des Procedes Georges Claude
18250214 COMPACT SYSTEM AND METHOD FOR THE PRODUCTION OF LIQUEFIED NATURAL GAS Non-Final OA SHELL OIL COMPANY
18259902 CRYO-COMPRESSED HYDROGEN STORAGE MULTI-TANK SYSTEMS AND THEIR THERMAL MANAGEMENT Final Rejection VERNE INC.
18116649 SYSTEM FOR CAPTURING VAPOR FROM A CRYOGENIC STORAGE TANK Non-Final OA Sumitomo (SHI) Cryogenics of America, Inc.
17481099 DUAL HELIUM COMPRESSORS Non-Final OA Sumitomo (SHI) Cryogenics of America, Inc.
18021329 SYSTEM AND METHOD FOR DIGITALLY MONITORING A PRESSURE VESSEL Final Rejection Hexagon Ragasco AS
17917526 METHOD FOR STORING A BIOGAS IN A TANK AND ASSOCIATED SYSTEM Non-Final OA ECOLE NATIONALE SUPERIEURE DES MINES DE PARIS
17951208 CRYOGEN-FREE COOLING APPARATUS Final Rejection kiutra GmbH
17742024 DISTILLATION COLUMN CHAMBER AND METHOD FOR TRANSPORTING A DISTILLATION COLUMN Final Rejection L'Air Liquide, Societe Anonyme pour l'Etude et l?Exploitation des Procedes Georges Claude

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