Inventor

Li-Shiang Liang

Inventor

Harvard, MA, US

Overview

56→

Patents

1994–2020

Patent span

Performing operations

Primary field (CPC B)

Patents· 56 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C02Fprimary

C02FTreatment of water, waste water, sewage, or sludge24%

B01DSeparation23%

Y02ATechnologies for adaptation to climate change11%

C25BElectrolytic or electrophoretic processes for the production of compounds or non-metals8%

Y10TTechnical subjects covered by former us classification7%

B33YAdditive manufacturing, i.e. manufacturing of three-dimensional [3d] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3d printing, stereolithography or selective laser sintering6%

H01FMagnets6%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry5%

Y02WClimate change mitigation technologies related to wastewater treatment or waste management3%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution2%

PatentTitleYear

D0906621Hollow chain link pin2020 10,814,280Structures for normalizing multi-planar flow distribution within an electrochemical separation system2020 10,808,327Reduced volume electrochlorination cells and methods of manufacturing same2020 10,800,678In-situ delivery systems for reaction product abatement in electrochemical cells2020 10,662,085Low energy system and method of desalinating seawater2020 10,561,988Methods of providing inlets and outlets to cell pairs in wound ED devices2020 10,513,786Reduced volume electrochlorination cells and methods of manufacturing same2019 10,301,200Flow distributors for electrochemical separation2019 10,252,923Method and system for water treatment2019 10,189,726Electrochemical desalination for oil recovery2019 10,160,670Methods and systems for polarization control2018 9,981,865Electrochemical separation device2018 9,782,725'Cross-flow electrochemical separation devices and methods of assembling same'2017 9,656,886'Electrical purification apparatus and methods of manufacturing same'2017 9,592,472'Method and system for irrigation'2017 9,586,842'Low scale potential water treatment'2017 9,556,044'Electrodesalination system and method'2017 9,481,585'Flow distributors for electrochemical separation'2016 9,463,987'Methods of making a cell stack for an electrical purification apparatus'2016 9,463,988'Electrical purification apparatus having a blocking spacer'2016 9,446,971'Techniques for promoting current efficiency in electrochemical separation systems and methods'2016 9,433,902'Low energy system and method of desalinating seawater'2016 9,422,176'Systems and techniques for electrodialysis'2016 9,227,858'Electrical purification apparatus'2016 9,187,349'Modular electrochemical systems and methods'2015 9,187,350'Modular electrochemical systems and methods'2015 9,138,689'Method of providing a source of potable water'2015 9,139,455'Techniques for promoting current efficiency in electrochemical separation systems and methods'2015 9,023,215'Low energy system and method of desalinating seawater'2015 9,023,185'Low scale potential water treatment'2015 8,956,521'Electrical purification apparatus having a blocking spacer'2015 8,741,121'Electrochemical separation modules'2014 8,721,862'Apparatus for fluid purification and methods of manufacture and use thereof'2014 8,627,560'Methods of making a cell stack for an electrical purification apparatus'2014 8,277,627'Method and system for irrigation'2012 8,114,259'Method and system for providing potable water'2012 8,101,058'Apparatus for fluid purification'2012 7,572,359'Apparatus for fluid purification and methods of manufacture and use thereof'2009 7,481,929'Water treatment system'2009 7,404,884'Injection bonded articles and methods'2008 7,329,358'Water treatment process'2008 7,326,325'Apparatus and method for connecting water treatment devices'2008 7,147,785'Electrodeionization device and methods of use'2006 6,824,662'Electrodeionization apparatus and method'2004 6,758,954'Electrodeionization apparatus with resilient endblock'2004 6,649,037'Electrodeionization apparatus and method'2003 6,607,647'Electrodeionization apparatus with expanded conductive mesh electrode and method'2003 6,497,817'Modular filtering system'2002 5,925,240'Water treatment system having dosing control'1999 5,919,357'Filter cartridge assembly'1999 5,895,570'Modular filtering system'1999 5,798,040'Water purification cartridge assembly with unidirectional flow through filter media'1998 D0394697'Filter cap'1998 D0389400'Filter connector clip'1998 D0387656'Filter connector clip'1997 5,292,422'Modules for electrodeionization apparatus'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994Based in Berlin, MA, US· patent location history

1997–2006Patents assigned to UNITED STATES FILTER CORP (13)· patent assignee history

1997–2020Based in Harvard, MA, US· patent location history

2012–2017Patents assigned to LIANG LI-SHIANG (17)· patent assignee history

2012Based in Havard, MA, US· patent location history

2014–2016Patents assigned to SALVO LAWRENCE J (8)· patent assignee history

2016–2020Patents assigned to EVOQUA WATER TECH LLC (17)· patent assignee history

2016–2019Patents assigned to EVOQUA WATER TECH PTE LTD (8)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
EVOQUA WATER TECH LLC	17	2016–2020
LIANG LI-SHIANGself	17	2012–2017
UNITED STATES FILTER CORP	13	1997–2006
EVOQUA WATER TECH PTE LTD	8	2016–2019
SALVO LAWRENCE J	8	2014–2016

Locations

Location	Patents	Span
Harvard, Massachusetts, US	54	1997–2020
Havard, Massachusetts, US	1	2012
Berlin, Massachusetts, US	1	1994