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The ornamental design for a heat pump, as shown and described.
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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.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Sep 28 2005 | H-Tech, Inc. | (assignment on the face of the patent) | / | |||
Jan 10 2006 | LI, GANG | H-TECH, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 017052 | /0881 | |
Apr 18 2006 | GRIFFIN, MR JOHN | H-TECH, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 018045 | /0217 | |
Apr 18 2006 | GRIFFIN, MR RONALD H | H-TECH, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 018045 | /0249 | |
Jun 16 2006 | SCHARDT, DAVID L | H-TECH, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 017855 | /0720 | |
Jun 19 2006 | SHINKAREV, VITALY | H-TECH, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 017855 | /0722 | |
Dec 19 2007 | H-TECH, INC | HAYWARD INDUSTRIES, INC | MERGER SEE DOCUMENT FOR DETAILS | 020362 | /0622 | |
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