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Inventor

Niles W. Johanson

Inventor
San Diego, CA, US

Overview

3→
Patents
1989–2004
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 3 as inventor

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

F23Gprimary
F23GCremation furnaces33%
B09BDisposal of solid waste not otherwise provided for11%
C02FTreatment of water, waste water, sewage, or sludge11%
F22BMethods of steam generation11%
F23JRemoval or treatment of combustion products or combustion residues11%
F23LSupplying air or non-combustible liquids or gases to combustion apparatus in general11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
PatentTitleYear
6,709,602'Process for hydrothermal treatment of materials'20044,996,930'Feed system for incineration of contaminated material'19914,883,115'Method and apparatus for cooling high-temperature processes'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1991Patents assigned to OGDEN ENVIRONMENTAL SERVICES (2)· patent assignee history
1989–2004Based in San Diego, CA, US· patent location history
2004Patents assigned to GEN ATOMICS (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
OGDEN ENVIRONMENTAL SERVICES21989–1991
GEN ATOMICS12004
Locations
LocationPatentsSpan
San Diego, California, US31989–2004