LexDanaLexDanabeta
Inventor

Duncan E. Williams

Inventor
Calgary, CA

Overview

3→
Patents
2015–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B01Dprimary
B01DSeparation18%
C10GCracking hydrocarbon oils18%
A62CFire-fighting9%
B01FMixing, e.g. dissolving, emulsifying or dispersing9%
B05BSpraying apparatus9%
B67DDispensing, delivering or transferring liquids, not otherwise provided for9%
F25DRefrigerators9%
G05BControl or regulating systems in general9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
PatentTitleYear
10,918,896Focused stream, aerated foam projecting nozzle including fixed wand system and method as well as possibly portable center pointing nozzle20219,096,805'Anhydride demulsifier formulations for resolving emulsions of water and oil'20158,969,262'Utilization of an anhydride as a demulsifier and a solvent for demulsifier formulations'2015

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2015Patents assigned to NALCO CO (2)· patent assignee history
2015Patents assigned to WILLIAMS DUNCAN E (2)· patent assignee history
2015Patents assigned to MGLA RICHARD (1)· patent assignee history
2015Based in Calgary, CA· patent location history
2021Patents assigned to TYCO FIRE PRODUCTS LP (1)· patent assignee history
2021Based in Vidor, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NALCO CO22015
WILLIAMS DUNCAN Eself22015
MGLA RICHARD12015
TYCO FIRE PRODUCTS LP12021
Locations
LocationPatentsSpan
Calgary, CA22015
Vidor, Texas, US12021