LexDanaLexDanabeta
Inventor

John Kantak

Inventor
Alexandria, VA, US

Overview

4→
Patents
1999–2003
Patent span
Performing operations
Primary field (CPC B)

Patents· 4 as inventor

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

B03Cprimary
B03CMagnetic or electrostatic separation of solid materials from solid materials or fluids33%
A62DChemical means for extinguishing fires or for combating or protecting against harmful chemical agents17%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry17%
B09CReclamation of contaminated soil17%
F23GCremation furnaces17%
PatentTitleYear
6,551,563'Methods and systems for safely processing hazardous waste'20036,514,469'Ruggedized methods and systems for processing hazardous waste'20035,958,205'Apparatus for a fluid filtration system'19995,954,933'Method for electrostatic filtration'1999

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1999Patents assigned to VIPUR (2)· patent assignee history
1999–2003Based in Alexandria, VA, US· patent location history
2003Patents assigned to VANGUARD RES INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
VIPUR21999
VANGUARD RES INC12003
Locations
LocationPatentsSpan
Alexandria, Virginia, US41999–2003