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Inventor

William Weitzen

Inventor
Bethesda, MD, US

Overview

4→
Patents
1981–1983
Patent span
General tagging of new technological developments
Primary field (CPC Y)

Patents· 4 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification17%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry11%
C02FTreatment of water, waste water, sewage, or sludge11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
B01DSeparation6%
B29BPreparation or pretreatment of the material to be shaped6%
C08JWorking-up6%
C22BProduction and refining of metals6%
E02BHydraulic engineering6%
E21BEarth or rock drilling6%
PatentTitleYear
4,420,400'Hydrocarbon products damage control systems'19834,341,078'Immobilizing toxic liquids'19824,340,076'Dissolving polymers in compatible liquids and uses thereof'19824,284,511'Process for using magnetically ballasted sorbents'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1983Patents assigned to GEN TECH APPLIC INC (4)· patent assignee history
1981–1983Based in Bethesda, MD, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GEN TECH APPLIC INC41981–1983
Locations
LocationPatentsSpan
Bethesda, Maryland, US41981–1983