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Inventor

David L. Woracek

Inventor
Federal Way, WA, US

Overview

3→
Patents
1988–2000
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
B01DSeparation29%
B03CMagnetic or electrostatic separation of solid materials from solid materials or fluids29%
C01BNon-metallic elements29%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry14%
PatentTitleYear
6,045,770'Sulfur dioxide generation using granulated or emulsoid sulfur feedstock'20005,288,303'Flue gas conditioning system'19944,779,207'SO.sub.3 flue gas conditioning system'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988Patents assigned to CHEMITHON CORP (1)· patent assignee history
1988–2000Based in Federal Way, WA, US· patent location history
1994–2000Patents assigned to WILHELM ENV TECH INC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
WILHELM ENV TECH INC21994–2000
CHEMITHON CORP11988
Locations
LocationPatentsSpan
Federal Way, Washington, US31988–2000