Inventor

David Florian Tessier

Inventor
Guelph, CA

Overview

13→
Patents
1998–2012
Patent span
Performing operations
Primary field (CPC B)

Patents· 13 as inventor

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

B01Dprimary
B01DSeparation41%
C02FTreatment of water, waste water, sewage, or sludge38%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry19%
Y02ATechnologies for adaptation to climate change3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2002Patents assigned to GLEGG WATER CONDITIONING INC (7)· patent assignee history
1998–2000Based in Oakville, CA· patent location history
1999–2002Patents assigned to ASAHI GLASS CO LTD (4)· patent assignee history
1999–2002Based in Guelph, CA· patent location history
2000–2001Patents assigned to E CELL CORP (3)· patent assignee history
2011–2012Patents assigned to BARBER JOHN H (3)· patent assignee history
2011–2012Patents assigned to GEN ELECTRIC (3)· patent assignee history
2011–2012Based in Waterloo, CA· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GLEGG WATER CONDITIONING INC71998–2002
ASAHI GLASS CO LTD41999–2002
BARBER JOHN H32011–2012
E CELL CORP32000–2001
GEN ELECTRIC32011–2012
Locations
LocationPatentsSpan
Guelph, CA81999–2002
Waterloo, CA32011–2012
Oakville, CA21998–2000