Inventor

Karl J. Urquhart

Inventor
Allen, TX, US

Overview

7→
Patents
2003–2014
Patent span
Performing operations
Primary field (CPC B)

Patents· 7 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification23%
B24BMachines, devices, or processes for grinding or polishing18%
F04CRotary-piston, or oscillating-piston, positive-displacement machines for liquids18%
B01FMixing, e.g. dissolving, emulsifying or dispersing14%
F17DPipe-line systems14%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h109%
G05DSystems for controlling or regulating non-electric variables5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2003–2004Patents assigned to AIR LIQUIDE AMERICA L P (2)· patent assignee history
2003Patents assigned to AIR LIQUIDE (1)· patent assignee history
2003–2004Based in McKinney, TX, US· patent location history
2008–2014Patents assigned to AIR LIQUIDE ELECTRONICS US LP (5)· patent assignee history
2008Based in Mc Kinney, TX, US· patent location history
2011–2014Patents assigned to AIR LIQUIDE ELECTRONICS SYS (4)· patent assignee history
2011–2014Based in Allen, TX, US· patent location history
2012Patents assigned to COLIN CHRISTOPHE (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AIR LIQUIDE ELECTRONICS US LP52008–2014
AIR LIQUIDE ELECTRONICS SYS42011–2014
AIR LIQUIDE AMERICA L P22003–2004
AIR LIQUIDE12003
COLIN CHRISTOPHE12012
Locations
LocationPatentsSpan
Allen, Texas, US42011–2014
McKinney, Texas, US22003–2004
Mc Kinney, Texas, US12008