Inventor

John B. Fenn

Inventor
Branford, CT, US

Overview

14→
Patents
1976–2009
Patent span
Electricity
Primary field (CPC H)

Patents· 14 as inventor

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

H01Jprimary
H01JElectric discharge tubes or discharge lamps27%
B01DSeparation18%
G01NInvestigating or analysing materials by determining their chemical or physical properties15%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy6%
H10KOrganic electric solid-state devices6%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution6%
A61LMethods or apparatus for sterilising materials or objects in general3%
B05BSpraying apparatus3%
B29CShaping or joining of plastics3%
B29DProducing particular articles from plastics or from substances in a plastic state3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Based in Canoga Park, CA, US· patent location history
1985Patents assigned to UNIV YALE (2)· patent assignee history
1985–2000Based in Branford, CT, US· patent location history
1992–1997Patents assigned to FENN JOHN B (2)· patent assignee history
1992Based in Brandford, CT, US· patent location history
1994–2000Patents assigned to ANALYTICA OF BRANFORD INC (2)· patent assignee history
1996–2009Based in Richmond, VA, US· patent location history
1997Patents assigned to DURACELL INC (2)· patent assignee history
1997Based in Suffield, CT, US· patent location history
2009Patents assigned to OCUGENICS LLC (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ANALYTICA OF BRANFORD INC21994–2000
DURACELL INC21997
FENN JOHN Bself21992–1997
OCUGENICS LLC22009
UNIV YALE21985
Locations
LocationPatentsSpan
Branford, CT, US61985–2000
Richmond, Virginia, US41996–2009
Suffield, CT, US21997
Brandford, CT, US11992
Canoga Park, California, US11976