Prosecution Insights
Last updated: May 29, 2026

Examiner: COOLEY, CHARLES E

Tech Center 3700 • Art Units: 1774 1797 3762

This examiner grants 79% of resolved cases

Performance Statistics

79.1%
Allow Rate
+9.1% vs TC avg
1,535
Total Applications
+14.9%
Interview Lift
1032
Avg Prosecution Days
Based on 1493 resolved cases, 2023–2026

Rejection Statute Breakdown

0.7%
§101 Eligibility
13.9%
§102 Novelty
45.8%
§103 Obviousness
23.5%
§112 Clarity

Currently Pending Office Actions

App #TitleStatusAssignee
17861923 CONCRETE VIBRATOR Non-Final OA MILWAUKEE ELECTRIC TOOL CORPORATION
18116006 DIRECT CHARGE CONCRETE MIXER Non-Final OA Oshkosh Corporation
18548048 Full-Electric Drive Cementing Control System Non-Final OA YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
17774475 HANDHELD POWER TOOL Non-Final OA Koki Holdings Co., Ltd.
18106282 MODULAR MIXING IMPELLER Non-Final OA Parker-Hannifin Corporation
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.
17859581 SYSTEM AND TECHNIQUE FOR INVERTING POLYMERS UNDER ULTRA-HIGH SHEAR Non-Final OA Ecolab USA Inc.
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
18000779 High Pressure Homogenizer Non-Final OA NETZSCH-Feinmahltechnik GmbH
17416863 VORTEX GENERATOR APPARATUS Final Rejection NATIONAL UNIVERSITY OF IRELAND, GALWAY
18548453 A METHOD FOR MAKING A WATER/GYPSUM MIXTURE Final Rejection OBSHCHESTVO S OGRANICHENNOI OTVETSTVENNOSTIU "AMATEC"
18231941 Portable Centrifuge Apparatus & Methods Non-Final OA ABC Med Tech Corp.
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
18199609 ASYMMETRICAL MAGNETIC STIR BAR Final Rejection HACH COMPANY
17919821 MIXING ARRANGEMENT, MIXER SETTLER UNIT AND USE Final Rejection METSO OUTOTEC FINLAND OY
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.
18104486 FEED MIXER WITH MIXING AUGER HAVING AN UPWARD INCREASING PITCH Final Rejection TRIOLIET B.V.
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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