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Inventor

John W. Cobes, III

Inventor
Harmony, PA, US

Overview

3→
Patents
1996–1998
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B01Dprimary
B01DSeparation30%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry30%
C01BNon-metallic elements20%
A62BDevices, apparatus or methods for life-saving10%
Y02CCapture, storage, sequestration or disposal of greenhouse gases [ghg]10%
PatentTitleYear
5,733,515'Purification of air in enclosed spaces'19985,700,436'Purification of air in enclosed spaces'19975,492,882'Chromium-free impregnated activated universal respirator carbon for adsorption of toxic gases and/or vapors in industrial applications'1996

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1996–1998Patents assigned to CALGON CARBON CORP (3)· patent assignee history
1996Based in Oakdale, PA, US· patent location history
1997–1998Based in Harmony, PA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CALGON CARBON CORP31996–1998
Locations
LocationPatentsSpan
Harmony, Pennsylvania, US21997–1998
Oakdale, Pennsylvania, US11996