Inventor

John J. Carroll

Inventor
Madison, NJ, US

Overview

8→
Patents
1981–2021
Patent span
Physics
Primary field (CPC G)

Patents· 8 as inventor

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

G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties25%
H01JElectric discharge tubes or discharge lamps15%
B08BCleaning in general10%
G06FElectric digital data processing10%
G06KGraphical data reading10%
B01FMixing, e.g. dissolving, emulsifying or dispersing5%
B28CPreparing clay5%
F16JPistons5%
F26BDrying solid materials or objects by removing liquid therefrom5%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981Patents assigned to BLUE METAL & GRAVEL PTY (1)· patent assignee history
1981Based in Mayfield, AU· patent location history
1987Patents assigned to BELL & HOWELL CO (1)· patent assignee history
1987Based in Elmhurst, IL, US· patent location history
2005–2018Based in Madison, NJ, US· patent location history
2010Based in Stamford, GB· patent location history
2018–2021Patents assigned to SMITHS DETECTION MONTREAL INC (3)· patent assignee history
2018Patents assigned to BONDARENKO VOLODIMIR (1)· patent assignee history
2019Patents assigned to BIAN QUNZHOU (1)· patent assignee history
2019–2021Based in Morristown, NJ, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SMITHS DETECTION MONTREAL INC32018–2021
BELL & HOWELL CO11987
BIAN QUNZHOU12019
BLUE METAL & GRAVEL PTY11981
BONDARENKO VOLODIMIR12018
Locations
LocationPatentsSpan
Madison, New Jersey, US32005–2018
Morristown, New Jersey, US22019–2021
Stamford, GB12010
Elmhurst, Illinois, US11987
Mayfield, AU11981