Prosecution Insights
Last updated: April 19, 2026

Examiner: COOLEY, CHARLES E

Tech Center 1700 • Art Units: 1774 1797

This examiner grants 79% of resolved cases

Performance Statistics

79.0%
Allow Rate
+14.0% vs TC avg
1526
Total Applications
+15.0%
Interview Lift
1093
Avg Prosecution Days
Based on 1486 resolved cases, 2023–2026

Rejection Statute Breakdown

0.5%
§101 Eligibility
25.0%
§102 Novelty
32.6%
§103 Obviousness
31.4%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17861923 CONCRETE VIBRATOR Non-Final OA MILWAUKEE ELECTRIC TOOL CORPORATION
17859581 SYSTEM AND TECHNIQUE FOR INVERTING POLYMERS UNDER ULTRA-HIGH SHEAR Non-Final OA Ecolab USA Inc.
18548048 Full-Electric Drive Cementing Control System Non-Final OA YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
18979708 METHODS AND COMPOSITIONS FOR TREATMENT OF CONCRETE WASH WATER Non-Final OA CARBONCURE TECHNOLOGIES INC.
17413174 METHODS AND COMPOSITIONS FOR DELIVERY OF CARBON DIOXIDE Final Rejection CARBONCURE TECHNOLOGIES INC.
17773393 PROTECTION DEVICE FOR AN AGITATOR SHAFT OF AN AGITATOR Non-Final OA BASF Coatings GmbH
18014320 APPARATUS AND METHOD FOR COOLING OF FRESH CONCRETE Final Rejection L'Air Liquide, Société Anonyme pour l'Etude et l'Exploitation des Procédés Georges Claude
18740866 METHOD FOR THE MEASUREMENT OF THE AMOUNT OF CEMENTITIOUS MATERIAL IN A CONCRETE MIXING TRUCK USING A RESONANT ELECTROACOUSTIC TRANSDUCER Final Rejection Massa Products Corporation
18000779 High Pressure Homogenizer Non-Final OA NETZSCH-Feinmahltechnik GmbH
18558252 PROCESSING DEVICE FOR LITHIUM BATTERY POSITIVE ELECTRODE MATERIAL Non-Final OA HUNAN BRUNP RECYCLING TECHNOLOGY CO., LTD.
18548453 A METHOD FOR MAKING A WATER/GYPSUM MIXTURE Final Rejection OBSHCHESTVO S OGRANICHENNOI OTVETSTVENNOSTIU "AMATEC"
18104486 FEED MIXER WITH MIXING AUGER HAVING AN UPWARD INCREASING PITCH Final Rejection TRIOLIET B.V.
18231941 Portable Centrifuge Apparatus & Methods Non-Final OA ABC Med Tech Corp.
18248731 SAMPLE CRUSHER Non-Final OA GUANGZHOU WONDFO BIOTECH CO., LTD.
18272799 CENTRIFUGE Non-Final OA Eppendorf Himac Technologies Co., Ltd.
18272530 Screw Conveyor Having Auxiliary Blades And Screw Discharge Decanter Centrifuge Non-Final OA Juneng Machinery (China) CO., LTD
18218892 RETAINING RING FOR A CENTRIFUGE Non-Final OA THERMO ELECTRON SAS
18032175 AN ELEMENT FOR A CO-ROTATING TWIN-SCREW PROCESSOR Non-Final OA STEER ENGINEERING PRIVATE LIMITED
17900397 COMPOSITE VORTEX REACTOR Non-Final OA UNIVERSITY OF NOTTINGHAM NINGBO CHINA
18295035 STIRRERS FOR CURABLE COMPOSITIONS Non-Final OA Sanford, L.P.
17907585 WET ATOMIZATION APPARATUS AND METHOD Final Rejection National lnstitute of Advanced Industrial Science and Technology
17907194 MIXING ASSEMBLY HAVING AN ALIGNMENT DISH FOR A CONTAINER AND METHOD OF OPERATING THE SAME Final Rejection ATKINS NUCLEAR SECURED HOLDINGS CORPORATION
17558486 MOBILE INDUSTRIAL MIXING APPARATUS Non-Final OA One Pass Innovators, LLC
17419147 PULL-TYPE SHIFT TRANSMISSION SYSTEM AND FOOD PROCESSOR Non-Final OA Yan Kwong WONG

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