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Leif Nyfelt
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Skovde, SE
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Patents Grants
last 30 patents
Information
Patent Grant
Multi quick connector for subsea use
Patent number
10,473,251
Issue date
Nov 12, 2019
Cejn AB
Leif Nyfelt
E21 - EARTH DRILLING MINING
Information
Patent Grant
Tube with tag and method for servicing the tube
Patent number
9,759,349
Issue date
Sep 12, 2017
Cejn AB
Leif Nyfelt
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method for monitoring the movements of individuals in and around bu...
Patent number
7,180,414
Issue date
Feb 20, 2007
Leif Nyfelt
G01 - MEASURING TESTING
Information
Patent Grant
Method for monitoring the movements of individuals in and around bu...
Patent number
7,138,920
Issue date
Nov 21, 2006
Leif Nyfelt
G07 - CHECKING-DEVICES
Information
Patent Grant
Method of verifying ID-papers and the like
Patent number
7,028,884
Issue date
Apr 18, 2006
Leif Nyfelt
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method for monitoring the movements of individuals in and around bu...
Patent number
6,531,963
Issue date
Mar 11, 2003
Leif Nyfelt
G08 - SIGNALLING
Information
Patent Grant
System for localizing and identifying mines
Patent number
6,167,793
Issue date
Jan 2, 2001
New Swede Construction AB
Leif Nyfelt
F41 - WEAPONS
Information
Patent Grant
Arrangement for preventing a motor vehicle from passing a specific...
Patent number
5,798,714
Issue date
Aug 25, 1998
Scarinus Development AB
Leif Nyfelt
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Cable bunch coding device
Patent number
5,675,322
Issue date
Oct 7, 1997
Scarinus Development AB
Leif Nyfelt
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Method and arrangement for remotely controlling one or more functio...
Patent number
5,563,453
Issue date
Oct 8, 1996
Scarinus Development AB
Leif Nyfelt
B60 - VEHICLES IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
LED LIGHT HOSE REEL
Publication number
20220340393
Publication date
Oct 27, 2022
CEJN AB
Leif Nyfelt
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Application
MULTI QUICK CONNECTOR FOR SUBSEA USE
Publication number
20170205012
Publication date
Jul 20, 2017
CEJN AB
Leif NYFELT
E21 - EARTH DRILLING MINING
Information
Patent Application
TUBE WITH TAG AND METHOD FOR SERVICING THE TUBE
Publication number
20160208957
Publication date
Jul 21, 2016
CEJN AB
Leif NYFELT
G01 - MEASURING TESTING
Information
Patent Application
Method for monitoring the movements of individuals in and around bu...
Publication number
20050035872
Publication date
Feb 17, 2005
Leif Nyfelt
G01 - MEASURING TESTING
Information
Patent Application
Method for monitoring the movements of individuals in and around bu...
Publication number
20040135694
Publication date
Jul 15, 2004
Leif Nyfelt
G07 - CHECKING-DEVICES
Information
Patent Application
Method of verifying ID-papers and the like
Publication number
20030094486
Publication date
May 22, 2003
Leif Nyfelt
G06 - COMPUTING CALCULATING COUNTING