Title:
Heat pump
United States Patent D539882


Inventors:
Li, Gang (Clemmons, NC, US)
Application Number:
29/239290
Publication Date:
04/03/2007
Filing Date:
09/28/2005
Assignee:
H-Tech, Inc. (Wilmington, DE, US)
Primary Class:
International Classes:
(IPC1-7): 2304
Field of Search:
D23/351-54, 62/324.1, 62/DIG.16, 312/236, D23/333, 62/304, 62/259.1, 62/262-63, 62/259.4, 454/201-4
View Patent Images:
US Patent References:
D513528Outdoor unit housing for an air conditioning systemJanuary, 2006Tucker et al.D23/351
D503784Outdoor unit housing for an air conditioning systemApril, 2005Tucker et al.D23/351
D454186Air conditioner condenser housingMarch, 2002Caronna et al.D23/351
D454388Outdoor heat exchanger cabinet for an air conditioning unitMarch, 2002Mutchnik et al.D23/351
D449094Housing for an air conditioner condenserOctober, 2001Caronna et al.D23/351
D434480Air conditioner condenser housingNovember, 2000Caronna et al.D23/351
D353883Evaporative cooler cabinetDecember, 1994BlanchardD23/351
D306642Housing for an outdoor coil of an air conditioning systemMarch, 1990Chang et al.D23/351
D299528Outdoor heat exchanger cabinet for an air conditioning unitJanuary, 1989Kessler et al.D23/351
4261418Outdoor coil unit for heat pumpApril, 1981Helt et al.62/324.1
D244293Air conditioner condenser coverMay, 1977CarluccioD23/351
3722845GROUND MOUNTING BASE FOR CENTRAL AIR CONDITIONER HEAT EXCHANGER UNITSMarch, 1973UngerD23/351
D219449N/ADecember, 1970OrtegaD23/351



Other References:
U.S. Appl. No. 60/721,479 “Heat Pump for Low Ambient Air Temperature Operations,” Filed Sep. 28, 2005.
Primary Examiner:
Vinson, Brian N.
Attorney, Agent or Firm:
McCarter & English, LLP
Claims:
CLAIM

1. The ornamental design for a heat pump, as shown and described.

Description:

FIG. 1 is a front perspective view of a heat pump showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.