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Inventor

Johan Pragt

Inventor
Drachten, NL

Overview

16→
Patents
1997–2020
Patent span
Performing operations
Primary field (CPC B)

Patents· 16 as inventor

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

B26Bprimary
B26BHand-held cutting tools not otherwise provided for55%
A47JKitchen equipment9%
H05BElectric heating9%
A45DHairdressing or shaving equipment5%
A47LDomestic washing or cleaning5%
B01DSeparation5%
B23HWorking of metal by the action of a high concentration of electric current on a workpiece using an electrode which takes the place of a tool5%
F23NRegulating or controlling combustion5%
Y10TTechnical subjects covered by former us classification5%
PatentTitleYear
10,850,409Shaving apparatus, a cutting unit and a shaving head202010,730,197Attachment comb and hair cutting appliance20209,956,697Personal care device as well as a cutting unit for such a personal care device20189,821,478'Shaving apparatus, a cutting unit, and a shaving head'20179,789,617'Blade set and hair cutting appliance'20179,555,551'Rotary shaving unit'20178,458,914'Shaving device comprising a pivotably arranged assembly of cutting elements'20138,312,592'Cleaning apparatus for releasing and transporting particles away from an area to be cleaned'20128,186,064'Shaving apparatus'20126,877,227'Shaver provided with a shaving head having a sub-frame and a main frame'20056,671,961'Shaver provided with a shaving head having a sub-frame and a main frame'20046,574,866'Hair removing apparatus comprising plate-shaped carriers which care positioned and movable with respect to each other'20036,327,784'Method of manufacturing a cutting member having an auxiliary layer'20016,137,089'Heating element'20005,944,257'Bulb-operated modulating gas valve with minimum bypass'19995,693,244'Apparatus for heating liquids which operates power supply in response to detection of heating element bending'1997

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1997–2001Patents assigned to PHILIPS CORP (3)· patent assignee history
1997–2017Based in Drachten, NL· patent location history
1999Based in Coevorden, NL· patent location history
2000Based in Boornbergum, NL· patent location history
2003–2013Patents assigned to KONINKL PHILIPS ELECTRONICS NV (6)· patent assignee history
2012–2017Patents assigned to PRAGT JOHAN (4)· patent assignee history
2012–2013Patents assigned to BLAKE ALASTAIR IAN (2)· patent assignee history
2017–2020Patents assigned to KONINKLIJKE PHILIPS NV (6)· patent assignee history
2017–2020Based in Eindhoven, NL· patent location history
2017Based in De Wilgen, NL· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KONINKL PHILIPS ELECTRONICS NV62003–2013
KONINKLIJKE PHILIPS NV62017–2020
PRAGT JOHANself42012–2017
PHILIPS CORP31997–2001
BLAKE ALASTAIR IAN22012–2013
Locations
LocationPatentsSpan
Drachten, NL91997–2017
Eindhoven, NL42017–2020
De Wilgen, NL12017
Boornbergum, NL12000
Coevorden, NL11999