LexDanaLexDanabeta
Inventor

Quang Van Dao

Inventor
Eden Prairie, MN, US

Overview

2→
Patents
2011–2012
Patent span
Human necessities
Primary field (CPC A)

Patents· 2 as inventor

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

A47Lprimary
A47LDomestic washing or cleaning25%
D06FLaundering, drying, ironing, pressing or folding textile articles25%
G01NInvestigating or analysing materials by determining their chemical or physical properties25%
Y10TTechnical subjects covered by former us classification25%
PatentTitleYear
8,187,540'Concentration monitor method'20128,012,421'Concentration monitor'2011

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2011–2012Patents assigned to ECOLAB INC (2)· patent assignee history
2011–2012Based in Eden Prairie, MN, US· patent location history
2012Patents assigned to HODGE CHARLES A (1)· patent assignee history
2012Patents assigned to MEHUS RICHARD J (1)· patent assignee history
2012Patents assigned to VAN DAO QUANG (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ECOLAB INC22011–2012
HODGE CHARLES A12012
MEHUS RICHARD J12012
VAN DAO QUANGself12012
Locations
LocationPatentsSpan
Eden Prairie, Minnesota, US22011–2012