Ventilation grid
United States Patent D799023

Haaf, Oliver (Kupferzell, DE)
Pissarczyk, Thorsten (Gemmingen, DE)
Beck, Sven (Krautheim, DE)
Weiss, Christian (Mulfingen-Jagstberg, DE)
Application Number:
Publication Date:
Filing Date:
ebm-papst Mulfingen GmbH & Co. KG (Mulfingen, DE)
Primary Class:
Other Classes:
D23/354, D23/382
International Classes:
(IPC1-7): 2304
Field of Search:
D23/411-414, D23/212, D23/213, D23/223, D23/229, D23/380, D23/324, D23/330, D23/332, D23/335, D23/351, D23/353-379, D23/381-386, D23/388, D23/390, D23/393, D23/499, D7/409, D7/667, D7/668, 454/241, 454/248, 454/249, 454/254, 454/256, 454/264, 454/265, 454/275, 454/277, 454/292, 454/296, 362/96, D14/140, D14/142, D14/148, D14/149, D14/172, D14/194, D14/195, D14/204, D14/209, D14/210, D14/215, D14/216, D14/217, D14/219, D14/225, D14/257, D14/496, D15/28, D26/119, D28/18, 415/119, 416/247R
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US Patent References:
D775321Ventilation gridDecember, 2016HaafD23/382
D764652Diffuser gridAugust, 2016WeissD23/390
D733495Wing and drumette rackJuly, 2015TysonD7/354
D684808Cooking grillJune, 2013MehlerD7/354
20130114245Lighting Fixture For Ceiling FanMay, 2013Todd, Jr.362/96
20130045085Motor suspension for fans, preferably axial-flow fans, as well as method for manufacturing an air grille of such a motor suspensionFebruary, 2013Frank415/119
20130017073WALL RING FOR AXIAL FANJanuary, 2013Sauer415/182.1
20130004349Axial Fan With Flow Guide BodyJanuary, 2013Haaf417/423.7
D650225Guard for a lighting apparatusDecember, 2011BartolD7/354
D628685Air conditionerDecember, 2010AoyamaD23/351
D629097Fan guardDecember, 2010AoyamaD23/412
D607981Outdoor unit for air conditionerJanuary, 2010YamaguchiD23/351
D605271Refrigerating machineDecember, 2009SataD23/351
D604822Turbo compressor packageNovember, 2009LeeD23/351
D534632Air conditionerJanuary, 2007DavidD23/351
20060013694Motor fan guardJanuary, 2006Eubank416/247R
D435095Outdoor unit for air conditionerDecember, 2000NanjoD23/351
6036444Protective air passing shieldMarch, 2000Barney415/121.2
D391359Fan grille of an air conditioning unitFebruary, 1998TengD23/328
D313468Grill for a convertible fan assemblyJanuary, 1991ChaneyD23/412
4838151Combination window and floor fanJune, 1989Shin-Chin454/200
D261803Housing for a ventilating fanNovember, 1981Bohanon, Jr.D23/393
D201322N/AJune, 1965KnappD23/412
2857095All-purpose fanOctober, 1958Suarez Grau248/126
D182209N/AFebruary, 1958StanleyD23/412

Foreign References:
DE10111397September, 2002Schutzgitter für Ventilatoren
DE202014103877October, 2014Schutzgitter für einen Ventilator
Primary Examiner:
Hattan, Susan Bennett
Assistant Examiner:
Horse, Marie Fast
Attorney, Agent or Firm:
Scully Scott Murphy and Presser
Digiglio, Frank

1. The ornamental design for a ventilation grid, as shown.


FIG. 1 is a perspective view of a ventilation grid showing our new and ornamental design;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a rear view of FIG. 1; and,

FIG. 4 is a side view of FIG. 1.