LexDanaLexDanabeta
Inventor

Donald N. Hanson

Inventor
Orinda, CA, US

Overview

4→
Patents
1978–1989
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.

B01Dprimary
B01DSeparation38%
C02FTreatment of water, waste water, sewage, or sludge38%
B03CMagnetic or electrostatic separation of solid materials from solid materials or fluids13%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests13%
PatentTitleYear
4,879,042'Method of crystallizing salts from aqueous solutions'19894,632,760'Method of treating aqueous solutions'19864,430,227'Method of concentrating aqueous solutions'19844,072,477'Electrostatic precipitation process'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–1984Patents assigned to UNIV CALIFORNIA (2)· patent assignee history
1978–1989Based in Orinda, CA, US· patent location history
1986–1989Patents assigned to HANSON DONALD N (2)· patent assignee history
1986–1989Patents assigned to LYNN SCOTT (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HANSON DONALD Nself21986–1989
LYNN SCOTT21986–1989
UNIV CALIFORNIA21978–1984
Locations
LocationPatentsSpan
Orinda, California, US41978–1989