Prosecution Insights
Last updated: April 19, 2026

Zhejiang Dunan Artificial Environment Co. Ltd.

21 pending office actions

Portfolio Summary

21
Total Pending OAs
2
Final Rejections
19
Non-Final OAs

Pending Office Actions

App #TitleExaminerArt UnitStatusFiled
18979695 STOP VALVE GARDNER, NICOLE 3753 Non-Final OA Dec 13, 2024
18888184 FIXING STRUCTURE AND INSERTION-PLATE-TYPE HEAT EXCHANGER HAVING SAME PHAN, AN BACH 3763 Non-Final OA Sep 18, 2024
18885573 HEAT EXCHANGER AND AIR CONDITIONING SYSTEM HAVING SAME ARANT, HARRY E 3763 Non-Final OA Sep 14, 2024
18780574 STOP VALVE AND REFRIGERATION SYSTEM HAVING SAME MURPHY, KEVIN F 3753 Final Rejection Jul 23, 2024
18759290 BOTTLE SOLENOID VALVE ZADEH, BOB 3754 Non-Final OA Jun 28, 2024
18709773 Electronic Expansion Valve DUKE, EMMANUEL E 3763 Final Rejection May 13, 2024
18706328 Main Valve Seat and Four-Way Valve BASTIANELLI, JOHN 3753 Non-Final OA Apr 30, 2024
18637496 BALL VALVE BASTIANELLI, JOHN 3753 Non-Final OA Apr 17, 2024
18634843 REFRIGERANT DISTRIBUTION DEVICE AND HEAT EXCHANGER CANOVA, HENRY FRANCIS 3763 Non-Final OA Apr 12, 2024
18696067 Reversing Valve WADDY, JONATHAN J 3753 Non-Final OA Mar 27, 2024
18568857 Anti-disassembly connector PULLIAM, CHRISTYANN R 2178 Non-Final OA Dec 11, 2023
18568856 Anti-Disassembly Connector PULLIAM, CHRISTYANN R 2178 Non-Final OA Dec 11, 2023
18284081 Stop Valve PULLIAM, CHRISTYANN R 2178 Non-Final OA Sep 26, 2023
18281577 Electric Valve PULLIAM, CHRISTYANN R 2178 Non-Final OA Sep 12, 2023
18279400 Reversing Valve, and Assembly Method of Reversing Valve PULLIAM, CHRISTYANN R 2178 Non-Final OA Aug 30, 2023
18276057 Reversing Valve PULLIAM, CHRISTYANN R 2178 Non-Final OA Aug 07, 2023
18028767 Flow Regulating Valve PULLIAM, CHRISTYANN R 2178 Non-Final OA Mar 28, 2023
18027915 FLOW REGULATING VALVE PULLIAM, CHRISTYANN R 2178 Non-Final OA Mar 22, 2023
18011199 Heat Exchange Flat Tube and Heat Exchanger PULLIAM, CHRISTYANN R 2178 Non-Final OA Dec 19, 2022
17767470 Gas-Liquid Separator and Compression System PULLIAM, CHRISTYANN R 2178 Non-Final OA Apr 08, 2022
17623261 Solenoid Valve Coil PULLIAM, CHRISTYANN R 2178 Non-Final OA Dec 28, 2021

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