LexDanaLexDanabeta
Inventor

William J. Knebel

Inventor
Mars, PA, US

Overview

2→
Patents
1993–1996
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

B01Dprimary
B01DSeparation40%
A62BDevices, apparatus or methods for life-saving20%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
PatentTitleYear
5,492,882'Chromium-free impregnated activated universal respirator carbon for adsorption of toxic gases and/or vapors in industrial applications'19965,198,001'Apparatus and process for removing organic compounds from a gas stream'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–1996Patents assigned to CALGON CARBON CORP (2)· patent assignee history
1993–1996Based in Mars, PA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CALGON CARBON CORP21993–1996
Locations
LocationPatentsSpan
Mars, Pennsylvania, US21993–1996