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Ralf KREYENBORG
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Ennepetal, DE
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Patents Grants
last 30 patents
Information
Patent Grant
Roller carriage for the reception of a sliding door having at least...
Patent number
10,392,844
Issue date
Aug 27, 2019
DORMAKABA DEUTSCHLAND GMBH
Ralf Kreyenborg
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Roller carriage for the reception of a sliding door with a lift-off...
Patent number
10,253,537
Issue date
Apr 9, 2019
DORMAKABA DEUTSCHLAND GMBH
Ralf Kreyenborg
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Roller carriage for the reception of a sliding door with a height a...
Patent number
9,915,087
Issue date
Mar 13, 2018
DORMAKABA DEUTSCHLAND GMBH
Ralf Kreyenborg
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Roller carriage for the reception of a sliding door
Patent number
9,834,969
Issue date
Dec 5, 2017
Dorma Deutschland GmbH
Ralf Kreyenborg
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Arresting and interlocking unit for a partition wall system, as wel...
Patent number
9,187,930
Issue date
Nov 17, 2015
Dorma Deutschland GmbH
Mark Mayer
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Grant
Plate holding device fixed to a substructure
Patent number
7,516,579
Issue date
Apr 14, 2009
DORMA GmbH + Co. KG
Ralf Kreyenborg
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Clamp fitting for fastening glass plates
Patent number
6,623,203
Issue date
Sep 23, 2003
DORMA GmbH + Co. KG
Ralf Kreyenborg
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information
Patent Grant
Doorlock for an all-glass door with fixed glass side panel
Patent number
6,449,994
Issue date
Sep 17, 2002
Dorma GmbH & Co. KG
Ralf Kreyenborg
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Patents Applications
last 30 patents
Information
Patent Application
ROLLER CARRIAGE FOR THE RECEPTION OF A SLIDING DOOR WITH AN ACCESSO...
Publication number
20160138314
Publication date
May 19, 2016
DORMA Deutschland GmbH
Ralf KREYENBORG
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Application
ROLLER CARRIAGE FOR THE RECEPTION OF A SLIDING DOOR WITH A HEIGHT A...
Publication number
20160138312
Publication date
May 19, 2016
DORMA Deutschland GmbH
Ralf KREYENBORG
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Application
ROLLER CARRIAGE FOR THE RECEPTION OF A SLIDING DOOR
Publication number
20160138313
Publication date
May 19, 2016
DORMA Deutschland GmbH
Ralf KREYENBORG
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Application
ROLLER CARRIAGE FOR THE RECEPTION OF A SLIDING DOOR WITH A LIFT-OFF...
Publication number
20160138311
Publication date
May 19, 2016
DORMA Deutschland GmbH
Ralf KREYENBORG
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Application
ROLLER CARRIAGE FOR THE RECEPTION OF A SLIDING DOOR HAVING AT LEAST...
Publication number
20160138315
Publication date
May 19, 2016
DORMA Deutschland GmbH
Ralf KREYENBORG
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Application
Arresting And Interlocking Unit For A Partition Wall System, As Wel...
Publication number
20140290141
Publication date
Oct 2, 2014
Mark MAYER
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Application
All-Glass Door Assembly
Publication number
20120102839
Publication date
May 3, 2012
Dorma GmbH + Co. KG
Oliver Walhorn
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Application
Point Holder For Holding Glass Panes In A Bending Free Manner
Publication number
20080163579
Publication date
Jul 10, 2008
Ralf Kreyenborg
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information
Patent Application
Device for fastening door handles
Publication number
20060162126
Publication date
Jul 27, 2006
Ralf Kreyenborg
E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information
Patent Application
Plate holding device fixed to a substructure
Publication number
20060141278
Publication date
Jun 29, 2006
Ralf Kreyenborg
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS
Information
Patent Application
Clamp fitting for fastening glass plates
Publication number
20020050108
Publication date
May 2, 2002
Ralf Kreyenborg
E06 - DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL LADDERS