LexDanaLexDanabeta
Inventor

Gordon R. Ashby

Inventor
Surrey, CA

Overview

2→
Patents
1997–2001
Patent span
Performing operations
Primary field (CPC B)

Patents· 2 as inventor

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

B01Dprimary
B01DSeparation33%
G01NInvestigating or analysing materials by determining their chemical or physical properties33%
Y10TTechnical subjects covered by former us classification33%
PatentTitleYear
6,217,634'Apparatus and method for monitoring and purifying dielectric fluids'20015,646,047'Method and reagent kit for determining paper degredation in transformers'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997Patents assigned to POWERTECH LABS INC (1)· patent assignee history
1997–2001Based in Surrey, CA· patent location history
2001Patents assigned to ELECTRIC POWER RES INST (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ELECTRIC POWER RES INST12001
POWERTECH LABS INC11997
Locations
LocationPatentsSpan
Surrey, CA21997–2001