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Inventor

Paul de Groot

Inventor
Saint Ismier, FR

Overview

16→
Patents
1988–2012
Patent span
Electricity
Primary field (CPC H)

Patents· 16 as inventor

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

H01Jprimary
H01JElectric discharge tubes or discharge lamps72%
G21KHandling of particles or ionising radiation not otherwise provided for17%
E04HBuildings or like structures for particular purposes6%
G02BOptical elements, systems or apparatus6%
PatentTitleYear
8,128,814'Pool suction valve'20127,082,187'Radiological image detection system for a scanning X-ray generator'20066,960,879'Distortion correction of an image intensifier'20056,934,360'Radiological image sensing system for a scanning x-ray generator'20056,194,700'Device with an alteration means for the conversion of an image'20015,631,459'Device for generating images by luminescence effect'19975,449,449'Method for the fabrication of a scintillator and scintillator obtained thereby'19955,338,927'Proximity focusing image intensifier tube with spacer shims'19945,319,189'X-ray image intensifier tube having a photocathode and a scintillator screen positioned on a microchannel array'19945,298,294'Input screen scintillator for an X-ray image intensifier tube and manufacturing process of this scintillator'19944,980,561'Input screen scintillator for an X-ray image intensifier tube and manufacturing process of this scintillator'19904,960,608'Manufacturing process of a photocathode for an image intensifier tube'19904,943,254'Method for the fabrication of an improved X-ray image intensifier tube, and intensifier tube, and intensifier tube obtained thereby'19904,829,355'Photocathode having internal amplification'19894,751,423'Photocathode having a low dark current'19884,749,903'High-performance photocathode'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1995Patents assigned to THOMSON CSF (8)· patent assignee history
1988–1989Based in Grenoble, FR· patent location history
1990–2006Based in Saint Ismier, FR· patent location history
1994–2001Patents assigned to THOMSON TUBES ELECTRONIQUES (3)· patent assignee history
2005–2006Patents assigned to THALES ELECTRON DEVICES SA (2)· patent assignee history
2012Patents assigned to DAVIES MARK ALLAN (1)· patent assignee history
2012Patents assigned to DE GROOT PAUL MAARTEN (1)· patent assignee history
2012Based in Chermside, AU· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
THOMSON CSF81988–1995
THOMSON TUBES ELECTRONIQUES31994–2001
THALES ELECTRON DEVICES SA22005–2006
DAVIES MARK ALLAN12012
DE GROOT PAUL MAARTENself12012
Locations
LocationPatentsSpan
Saint Ismier, FR121990–2006
Grenoble, FR31988–1989
Chermside, AU12012