Inventor

Mary Louise Markowski

Inventor

Lewiston, NY, US

Overview

1→

Patents

1999

Patent span

Performing operations

Primary field (CPC B)

Patents· 1 as inventor

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

B01Dprimary

B01DSeparation17%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry17%

C01BNon-metallic elements17%

F25JLiquefaction, solidification or separation of gases or gaseous or liquefied gaseous mixtures by pressure and cold treatment or by bringing them into the supercritical state17%

Y02CCapture, storage, sequestration or disposal of greenhouse gases [ghg]17%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%

PatentTitleYear

5,983,667'Cryogenic system for producing ultra-high purity nitrogen'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999Patents assigned to PRAXAIR TECHNOLOGY INC (1)· patent assignee history

1999Based in Lewiston, NY, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
PRAXAIR TECHNOLOGY INC	1	1999

Locations

Location	Patents	Span
Lewiston, New York, US	1	1999