Filter housing
United States Patent D817468

Ruhland, Klaus-dieter (Meckenheim, DE)
Kaufmann, Michael (Meckenheim, DE)
Theiss, Peter (Ludwigsburg, DE)
Application Number:
Publication Date:
Filing Date:
MANN+HUMMEL GMBH (Ludwigsburg, DE)
Primary Class:
International Classes:
(IPC1-7): 2304
Field of Search:
D23/355-366, D23/352, D23/369, D23/332, D23/333, D23/335, D23/336, D23/342, D23/351, 422/120, 422/122, 55/356, 55/473, 55/504, 96/97, 261/DIG.17, 261/DIG.65, 261/DIG.88, 261/DIG.31
View Patent Images:
US Patent References:
D791295Narrow profile condensing unitJuly, 2017WetzelD23/351
D789502HumidifierJune, 2017CartwrightD23/356
D789503Evaporator rough-in boxJune, 2017AlviseD23/359
D784503Air conditioner baseApril, 2017EicherD23/351
D775715Outdoor unit for air conditionerJanuary, 2017KimD23/351
D777891Air conditionerJanuary, 2017KubotaD23/351
D762834Air filterAugust, 2016KaufmannD23/365
D725760Filter for an industrial air cleanerMarch, 2015NakagawaD23/365
8747737Air decontamination unitJune, 2014Lynn250/455.11
D696760Aerosol generatorDecember, 2013Wolf, IID23/364
D311270Air filtration unitOctober, 1990SavageD23/365
4932988Air purification apparatusJune, 1990Lutterbach55/356
D253845By-pass humidifierJanuary, 1980MorrowD23/357

Primary Examiner:
Muller, David
Attorney, Agent or Firm:
Hasselbeck, James

1. We claim the ornamental design for a filter housing, as shown and described.


FIG. 1 shows a front elevational view of the filter housing showing our new design;

FIG. 2 shows a top plan view thereof;

FIG. 3 shows a bottom plan view thereof;

FIG. 4 shows a rear elevational view thereof;

FIG. 5 shows a right side elevational view thereof;

FIG. 6. shows a left side elevational view thereof;

FIG. 7 shows a perspective view of the rear, top and left sides, thereof;

FIG. 8 shows a perspective view of the top, left and read sides, thereof;

FIG. 9 shows a perspective view of the left, top and front sides, thereof;

FIG. 10 shows a partial perspective of the front from the left and top; and,

FIG. 11 shows a rear, bottom perspective view, aligned to look directly into the large circular feature.

The broken line showing of parts of the drawings is included for the purpose of illustrating use and environment and forms no part of the claimed design.