Prosecution Insights
Last updated: April 19, 2026

Evoqua Water Technologies LLC

15 pending office actions • 6 clients

Portfolio Summary

15
Total Pending OAs
7
Final Rejections
8
Non-Final OAs

Client Portfolio (6 clients)

Client (Assignee)Pending OAs
Evoqua Water Technologies LLC 9
Evoqua Water Technologies LLC 2
VACOM SYSTEMS, LLC 1
Evoqua Water Technologies LLC 1
Neptune Benson, Inc. 1
Evoqua Water Technologies LLC 1

Pending Office Actions

App #TitleClientExaminerArt UnitStatusFiled
18667758 Systems And Methods For Treating Biologically Contaminated Water Streams VACOM SYSTEMS, LLC PILCHER, JONATHAN L 1772 Non-Final OA May 17, 2024
18580974 REMOVAL MATERIAL DESTRUCTION BY SUPERCRITICAL WATER OXIDATION FOR PFAS REMOVAL Evoqua Water Technologies LLC DRODGE, JOSEPH W 1773 Non-Final OA Jan 19, 2024
18408853 Treatment of Liquid Streams Containing High Concentrations of Solids Using Ballasted Clarification Evoqua Water Technologies LLC KEYWORTH, PETER 1777 Non-Final OA Jan 10, 2024
18562416 Regulation of Onsite Peroxide Generation for Improved Peroxone Advanced Oxidative Process Control Evoqua Water Technologies LLC VARMA, AKASH K 1773 Non-Final OA Nov 20, 2023
18560849 Radial Inflow Diffuser for Clarifier Evoqua Water Technologies LLC POPOVICS, ROBERT J 1776 Non-Final OA Nov 14, 2023
18229145 Novel flow features for self-cleaning concentric tubular electrochemical cells Evoqua Water Technologies LLC DRODGE, JOSEPH W 1773 Non-Final OA Aug 01, 2023
18026119 IN CHANNEL MAGNETIC RECOVERY Evoqua Water Technologies LLC PERRIN, CLARE M 1779 Final Rejection Mar 13, 2023
17967838 Sequencing Batch Reactor Systems and Methods Evoqua Water Technologies LLC NORRIS, CLAIRE A 1779 Final Rejection Oct 17, 2022
17427643 Regenerative Media Filter Cleaning Apparatus and Method Neptune Benson, Inc. VARMA, AKASH K 1773 Non-Final OA Oct 11, 2022
17893162 ADDITION OF ALKALINE MATERIALS TO BIOTRICKLING FILTER OR BIO-FILTER MAKE-UP WATER Evoqua Water Technologies LLC KRCHA, MATTHEW D 1796 Final Rejection Aug 22, 2022
17439395 ELECTROLYZER SYSTEM CONFIGURATIONS FOR ENHANCEMENT OF ULTRAVIOLET ADVANCED OXIDATION PROCESSES Evoqua Water Technologies LLC CONTRERAS, CIEL P 1794 Non-Final OA Feb 21, 2022
17281242 Control of TOC, Perchlorate and PFAS through Advanced Oxidation and Selective Ion Exchange Process Evoqua Water Technologies LLC NGUYEN, BOI-LIEN THI 1779 Final Rejection Nov 23, 2021
17281235 Monovalent Selective Cation Exchange Membrane Evoqua Water Technologies LLC KEELING, ALEXANDER W 1795 Final Rejection Sep 27, 2021
17281239 Monovalent Selective Cation Exchange Membrane Evoqua Water Technologies LLC ROLLAND, ALEX A 1759 Final Rejection Sep 27, 2021
17270852 System and Method for Electrochemical Oxidation of Polyfluoroalkyl Substances in Water Evoqua Water Technologies LLC KOLTONOW, ANDREW ROBERT 1795 Final Rejection Feb 23, 2021

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