|
The ornamental design for a heat transfer system, as shown. |
|||||||||||||||||
FIG. 1 is a perspective view of a heat transfer system, showing my new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a side elevational view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is an end elevational view thereof;
FIG. 6 is an elevational view of the side opposite that shown in FIG. 3.
| Patent | Priority | Assignee | Title |
| 7779829, | Mar 31 2008 | Solfocus, Inc.; SOLFOCUS, INC | Solar thermal collector manifold |
| D349333, | Jul 08 1991 | Heat recovery unit | |
| D957368, | Jan 21 2021 | Antenna with boom with sectors with looped directors |
| Patent | Priority | Assignee | Title |
| 1319555, | |||
| 2232272, | |||
| 2243593, | |||
| 2267695, | |||
| 2395594, | |||
| 3283811, | |||
| 83863, | |||
| 92526, | |||
| GB122563, | |||
| SU279625, |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Date | Maintenance Fee Events |
| Date | Maintenance Schedule |