Inventor

Persefoni E. Kechagia

Inventor

Williamsville, NY, US

Overview

9→

Patents

2009–2017

Patent span

Performing operations

Primary field (CPC B)

Patents· 9 as inventor

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

C01Bprimary

C01BNon-metallic elements23%

B01DSeparation18%

F25JLiquefaction, solidification or separation of gases or gaseous or liquefied gaseous mixtures by pressure and cold treatment or by bringing them into the supercritical state18%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry14%

B01LChemical or physical laboratory apparatus for general use9%

G01NInvestigating or analysing materials by determining their chemical or physical properties9%

Y02CCapture, storage, sequestration or disposal of greenhouse gases [ghg]9%

PatentTitleYear

9,772,139'Purification of argon through liquid phase cryogenic adsorption'2017 9,759,482'Argon production method and apparatus'2017 9,644,890'Argon production method and apparatus'2017 9,539,574'Analyte injection system'2017 9,486,732'Adsorbent compositions'2016 9,457,337'Adsorbent composition for argon purification'2016 9,222,727'Purification of argon through liquid phase cryogenic adsorption'2015 9,050,582'Adsorbent compositions'2015 7,514,046'Methods and systems for processing microscale devices for reuse'2009

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009Based in San Carlos, CA, US· patent location history

2015–2017Patents assigned to PRAXAIR TECHNOLOGY INC (7)· patent assignee history

2015–2017Patents assigned to BARRETT PHILIP A (4)· patent assignee history

2015–2017Patents assigned to KECHAGIA PERSEFONI E (4)· patent assignee history

2015–2017Patents assigned to KECHAGIA PERSEFONI (3)· patent assignee history

2015–2016Patents assigned to BARRETT PHILIP ALEXANDER (2)· patent assignee history

2015–2017Based in Williamsville, NY, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
PRAXAIR TECHNOLOGY INC	7	2015–2017
BARRETT PHILIP A	4	2015–2017
KECHAGIA PERSEFONI Eself	4	2015–2017
KECHAGIA PERSEFONIself	3	2015–2017
BARRETT PHILIP ALEXANDER	2	2015–2016

Locations

Location	Patents	Span
Williamsville, New York, US	8	2015–2017
San Carlos, California, US	1	2009