Prosecution Insights
Last updated: April 19, 2026

Evoqua Water Technologies LLC

10 pending office actions

Portfolio Summary

10
Total Pending OAs
6
Final Rejections
4
Non-Final OAs

Pending Office Actions

App #TitleExaminerArt UnitStatusFiled
18408853 Treatment of Liquid Streams Containing High Concentrations of Solids Using Ballasted Clarification KEYWORTH, PETER 1777 Non-Final OA Jan 10, 2024
18562416 Regulation of Onsite Peroxide Generation for Improved Peroxone Advanced Oxidative Process Control VARMA, AKASH K 1773 Non-Final OA Nov 20, 2023
18560849 Radial Inflow Diffuser for Clarifier POPOVICS, ROBERT J 1776 Non-Final OA Nov 14, 2023
18026119 IN CHANNEL MAGNETIC RECOVERY PERRIN, CLARE M 1779 Final Rejection Mar 13, 2023
17967838 Sequencing Batch Reactor Systems and Methods NORRIS, CLAIRE A 1779 Final Rejection Oct 17, 2022
17893162 ADDITION OF ALKALINE MATERIALS TO BIOTRICKLING FILTER OR BIO-FILTER MAKE-UP WATER KRCHA, MATTHEW D 1796 Final Rejection Aug 22, 2022
17439395 ELECTROLYZER SYSTEM CONFIGURATIONS FOR ENHANCEMENT OF ULTRAVIOLET ADVANCED OXIDATION PROCESSES 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 NGUYEN, BOI-LIEN THI 1779 Final Rejection Nov 23, 2021
17281239 Monovalent Selective Cation Exchange Membrane ROLLAND, ALEX A 1759 Final Rejection Sep 27, 2021
17270852 System and Method for Electrochemical Oxidation of Polyfluoroalkyl Substances in Water KOLTONOW, ANDREW ROBERT 1795 Final Rejection Feb 23, 2021

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