Inventor

David Beattie

Inventor
Singapore, SG

Overview

6→
Patents
1978–2010
Patent span
Performing operations
Primary field (CPC B)

Patents· 6 as inventor

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

B01Dprimary
B01DSeparation36%
C10GCracking hydrocarbon oils36%
Y02PClimate change mitigation technologies in the production or processing of goods18%
E21BEarth or rock drilling9%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Patents assigned to PORTA TEST MFG (1)· patent assignee history
1978–1985Based in Edmonton, CA· patent location history
1985Patents assigned to PORTA TEST SYSTEMS LTD (1)· patent assignee history
2007–2010Patents assigned to EXXONMOBIL CHEM PATENTS INC (4)· patent assignee history
2007–2010Based in Singapore, SG· patent location history
2009Based in Perth, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
EXXONMOBIL CHEM PATENTS INC42007–2010
PORTA TEST MFG11978
PORTA TEST SYSTEMS LTD11985
Locations
LocationPatentsSpan
Singapore, SG32007–2010
Edmonton, CA21978–1985
Perth, GB12009