Inventor

William Barrett

Inventor
Richfield, MN, US

Overview

3→
Patents
2009–2012
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.

B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry17%
B08BCleaning in general17%
C11DDetergent compositions17%
C23GCleaning or de-greasing of metallic material by chemical methods other than electrolysis17%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management17%
F03BMachines or engines for liquids8%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution8%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009–2012Patents assigned to CREST ULTRASONICS CORP (2)· patent assignee history
2009–2012Based in Richfield, MN, US· patent location history
2012Patents assigned to BARRETT WILLIAM (1)· patent assignee history
2012Patents assigned to BARRETT WILLIAM F (1)· patent assignee history
2012Patents assigned to BERGMAN FREDRICK (1)· patent assignee history
2012Patents assigned to MANCHESTER RUSSELL (1)· patent assignee history
2012Based in Wyncote, PA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CREST ULTRASONICS CORP22009–2012
BARRETT WILLIAMself12012
BARRETT WILLIAM Fself12012
BERGMAN FREDRICK12012
MANCHESTER RUSSELL12012
Locations
LocationPatentsSpan
Richfield, Minnesota, US22009–2012
Wyncote, Pennsylvania, US12012