Inventor

Stephen Graham Sawyer

Inventor

Epsom, GB

Overview

1→

Patents

2013

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

B01DSeparation25%

B01JChemical or physical processes, e.g. catalysis or colloid chemistry25%

F25JLiquefaction, solidification or separation of gases or gaseous or liquefied gaseous mixtures by pressure and cold treatment or by bringing them into the supercritical state25%

Y10TTechnical subjects covered by former us classification25%

PatentTitleYear

8,408,026'Liquid collector and redistributor for packed columns'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013Patents assigned to AIR PROD & CHEM (1)· patent assignee history

2013Patents assigned to CHALK CLIVE (1)· patent assignee history

2013Patents assigned to KOVAK KENNETH WILLIAM (1)· patent assignee history

2013Patents assigned to SAWYER STEPHEN GRAHAM (1)· patent assignee history

2013Based in Epsom, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
AIR PROD & CHEM	1	2013
CHALK CLIVE	1	2013
KOVAK KENNETH WILLIAM	1	2013
SAWYER STEPHEN GRAHAMself	1	2013

Locations

Location	Patents	Span
Epsom, GB	1	2013