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Drain channel
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Patent number D870249
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Issue date Dec 17, 2019
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Blucher Metal A/S
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Per Thanning Johansen
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D23 - Environmental heating and cooling
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Drain channel
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Patent number D868219
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Issue date Nov 26, 2019
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Blucher Metal A/S
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Per Thanning Johansen
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D23 - Environmental heating and cooling
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Grating
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Patent number D779045
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Issue date Feb 14, 2017
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Blucher Metal A/S
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Per Thanning Johansen
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D23 - Environmental heating and cooling
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Elements for drain channels
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Patent number D777886
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Issue date Jan 31, 2017
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Blucher Metal A/S
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Per Thanning Johansen
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D23 - Environmental heating and cooling
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Grating
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Patent number D777887
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Issue date Jan 31, 2017
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Blucher Metal A/S
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Per Thanning Johansen
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D23 - Environmental heating and cooling
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Grating
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Patent number D770025
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Issue date Oct 25, 2016
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Blucher Metal A/S
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Per Thanning Johansen
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D23 - Environmental heating and cooling
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Emergency drain
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Patent number D758554
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Issue date Jun 7, 2016
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Blucher Metal A/S
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Hans Lohmann
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D23 - Environmental heating and cooling
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Filter basket for floor drains
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Patent number D749706
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Issue date Feb 16, 2016
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Blucher Metal A/S
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Per Thanning Johansen
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D23 - Environmental heating and cooling
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Roof drain
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Patent number D748760
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Issue date Feb 2, 2016
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Blucher Metal A/S
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Hans Lohmann
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D23 - Environmental heating and cooling
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Keyhole cover
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Patent number D745821
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Issue date Dec 22, 2015
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Blucher Metal A/S
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Hans Lohmann
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D08 - Tools and hardware
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Keyhole cover
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Patent number D739209
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Issue date Sep 22, 2015
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Blucher Metal A/S
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Hans Lohmann
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D08 - Tools and hardware
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Ductwork
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Patent number 9,097,367
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Issue date Aug 4, 2015
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Blücher Metal A/S
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Hans Lohmann
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Emergency drain
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Patent number D729908
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Issue date May 19, 2015
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Blucher Metal A/S
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Hans Lohmann
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D23 - Environmental heating and cooling
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Drain trap
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Patent number D726888
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Issue date Apr 14, 2015
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Blucher Metal A/S
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Per Thanning Johansen
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D23 - Environmental heating and cooling
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Drain grating
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Patent number D718844
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Issue date Dec 2, 2014
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Blucher Metal A/S
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Per Thanning Johansen
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D23 - Environmental heating and cooling
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Drain grating
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Patent number D718845
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Issue date Dec 2, 2014
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Blucher Metal A/S
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Per Thanning Johansen
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D23 - Environmental heating and cooling
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Roof drain
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Patent number D715410
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Issue date Oct 14, 2014
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Blucher Metal A/S
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Hans Lohmann
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D23 - Environmental heating and cooling
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Locking device
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Patent number D700037
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Issue date Feb 25, 2014
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Blucher Metal A/S
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Hans Lohmann
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D08 - Tools and hardware