123 patents
Page 3 of 7
Utility
Treatment of Azoles
22 Sep 22
Methods of treating CMP wastewater comprising azoles are disclosed.
FRANK L. SASSAMAN, ALAN KNAPP
Filed: 26 Aug 20
Utility
Continuous Wave Sonic Analyzer
25 Aug 22
A gas analyzer uses continuous sonic signals through a conduit to determine the composition of a gas in the conduit.
PHILLIP TINSLEY DEMPSTER
Filed: 31 Jul 20
Utility
Cover for a Segmented Biogas Reservoir
18 Aug 22
The segmented cover is made of juxtaposed cover segments mounted over a wastewater reservoir.
Victor Cormier, Darin Evans
Filed: 12 Feb 21
Utility
Methods and Systems for Treating Phosphogypsum-Containing Water
18 Aug 22
Methods for treating phosphogypsum-containing water are disclosed.
Hao Dang, Wenxin Du, George Y. Gu, Michael J. Shaw, Simon P. Dukes
Filed: 21 Aug 19
Utility
Ozone Generation System
18 Aug 22
An ozone generation system which is adaptable for supplying ozone to different medium and small application processes.
Philip Tinsley Dempster
Filed: 9 Sep 21
Utility
Electrolyzer System Configurations for Enhancement of Ultraviolet Advanced Oxidation Processes
11 Aug 22
A wastewater treatment system comprises an actinic radiation reactor and a concentric tube electrode electrochemical cell in fluid communication between a source of electrolyte and the actinic radiation reactor.
JOSHUA GRIFFIS, SIMON P. DUKES, BENJAMIN SATTERFIELD
Filed: 13 Mar 20
Utility
Electrochemical System with Concentration Recirculation In Cyclic Batch Mode
28 Jul 22
A method of operating an electrochemical device includes periodically discharging a volume of concentrate reject in a timed batch cycle and replacing the concentrate reject with feed water.
Li-Shiang Liang, Michael J. Shaw, Wenxin Du
Filed: 12 Apr 22
Utility
Removing Heavy Metals in a Ballasted Process
5 May 22
A system for treating metal-contaminated wastewater includes a primary treatment sub-system, a secondary treatment sub-system, and a tertiary treatment sub-system.
Rohan Wikramanayake, Raymond G. Pepin, Thomas Miles
Filed: 13 Jan 22
Utility
Methods and Systems for Treating Phosphogypsum-Containing Water
10 Mar 22
Methods for processing pretreated phosphogypsum wastewater are disclosed.
Hao Dang, Wenxin Du, George Y. Gu, Michael J. Shaw
Filed: 21 Aug 19
Utility
Method for the Treatment of Wastewater
10 Mar 22
A system and method for backwashing a sand filter in a wastewater treatment system.
Gerard Willem Smiddy, Frank Leslie Smiddy
Filed: 17 Nov 21
Utility
Control System for Optimizing Mixing and Energy Usage for Mixing Systems
3 Mar 22
A method and system for treating wastewater is disclosed.
Christopher K. Waul, Argun Olcayto Erdogan
Filed: 19 Apr 21
Utility
Monovalent Selective Cation Exchange Membrane
3 Mar 22
A monovalent selective ion exchange membrane is disclosed.
George Gu, SAVVAS HADJIKYRIACOU, Simon P. DUKES, Michael J. SHAW
Filed: 25 Sep 19
Utility
Ozone Cell Power Supply Apparatus and Method
10 Feb 22
The present invention generally includes an ozone generation system with a power supply that measures the rate of energy delivered to the ozone generation cell.
Philip Tinsley Dempster
Filed: 6 Apr 21
Utility
Method and Apparatus to Monitor and Control a Water System
3 Feb 22
A system for providing treated water includes a water treatment unit including an inlet water quality probe, a worker bed, a probe to measure a parameter of water from the worker bed, a polisher bed connected downstream from the worker bed and having a probe to measure a parameter of water from the polisher bed, and a flow meter upstream of the worker bed or downstream of the polisher bed.
Scott Branum, Erich Hoefferle
Filed: 28 Jul 21
Utility
Ballast Water Management System
6 Jan 22
Techniques and systems for neutralizing discharge waters from ballast and/or cooling water biocidal treatment and disinfection systems are provided.
Lars NUPNAU
Filed: 21 Sep 21
Utility
Removal of Ozone From Process Streams with Ultraviolet Radiation
30 Dec 21
A method including directing an aqueous solution having dissolved carbon dioxide and dissolved ozone into a vessel, removing an amount of the dissolved carbon dioxide and irradiating the effluent with ultraviolet light to decompose an amount of the dissolved ozone is disclosed.
Glen P. Sundstrom
Filed: 29 Oct 19
Utility
Ballast Water Treatment and Neutralization
23 Dec 21
Techniques and systems for neutralizing discharge waters from ballast and/or cooling water biocidal treatment and disinfection systems are provided.
Vadim Zolotarsky
Filed: 30 Aug 21
Utility
Implementation of feedback control for improved electrochemical system design
23 Dec 21
A method of operating an electrochemical cell including introducing an aqueous solution into the electrochemical cell, applying a current across an anode and a cathode to produce a product, monitoring the voltage, dissolved hydrogen, or a condition of the aqueous solution, and reversing polarity of the anode and the cathode responsive to one of the measured parameters is disclosed.
Simon Paul Dukes, George Gu, Joshua Griffis, Michael Shaw
Filed: 6 Mar 18
Utility
Ultraviolet Light Activated Oxidation Process for the Reduction of Organic Carbon In Semiconductor Process Water
16 Dec 21
In a system for decomposing organic compounds in water for use in semiconductor manufacturing, a chemical reactor vessel having a fluid inlet and a fluid outlet, a persulfate anion addition system upstream of the reactor vessel, and a light emitting device contained within the reactor vessel.
Steve D. Sitkiewitz, Gary M. Carmignani, Lee W. Frederick
Filed: 30 Aug 21
Utility
Method and System for Providing Ultrapure Water With Flexible Lamp Configuration
9 Dec 21
A method and system of providing ultrapure water for semiconductor fabrication operations is provided.
Christopher Hall, Bruce Lee Coulter
Filed: 11 Mar 21