|
The ornamental design for an air exchange ventilation unit, as shown and described. |
|||||||||||||||||
FIG. 1 is a perspective view of an air exchange ventilation unit embodying my new design;
FIG. 2 is a front elevation view thereof, the rear being a mirror image of that shown;
FIG. 3 is a top plan view thereof;
FIG. 4 is a left end elevation view thereof;
FIG. 5 is a right end elevation view thereof;
FIG. 6 is a bottom plan view thereof;
FIG. 7 is a front elevation view of an air exchange ventilation unit, showing a second embodiment of my new design, the rear being a mirror image thereof;
FIG. 8 is a top plan view of FIG. 7;
FIG. 9 is a right end elevation view of FIG. 7, the left end being the same as that of the first embodiment, as shown in FIGS. 1 and 4; and,
FIG. 10 is a bottom plan view of FIG. 7.
| Patent | Priority | Assignee | Title |
| 7591301, | Sep 13 2005 | Johnson Matthey Public Limited Company | Low-cost high-temperature heat exchanger |
| 7594326, | Sep 13 2005 | Johnson Matthey Public Limited Company | Method for making a low-cost high-temperature heat exchanger |
| 8047272, | Sep 13 2005 | Johnson Matthey Public Limited Company | High-temperature heat exchanger |
| D560276, | Sep 13 2005 | Johnson Matthey Public Limited Company | Heat exchanger |
| D579101, | May 30 2007 | Johnson Matthey Public Limited Company | Heat exchanger |
| D672864, | Feb 28 2011 | Panasonic Corporation | Combined ceiling light and ventilating fan |
| D674474, | Feb 13 2012 | Rentschler Reven GmbH | Air cleaner |
| D675723, | Feb 24 2011 | Device for recovering waste heat from flue gases | |
| D755359, | Nov 27 2014 | Rentschler Reven GmbH | Air cleaner |
| D763425, | Dec 09 2014 | SEOUL VIOSYS CO., LTD.; SEOUL VIOSYS CO , LTD | Photocatalyst filter module for refrigerators |
| D805177, | Oct 20 2015 | Kimura Kohki Co., Ltd. | Air-conditioning outlet |
| D805178, | Oct 20 2015 | Kimura Kohki Co., Ltd. | Air-conditioning outlet |
| D805179, | Oct 20 2015 | Kimura Kohki Co., Ltd. | Air-conditioning outlet |
| D805180, | Oct 20 2015 | Kimura Kohki Co., Ltd. | Air-conditioning outlet |
| D806854, | Oct 20 2015 | Kimura Kohki Co., Ltd. | Air-conditioning outlet |
| D886262, | Mar 05 2018 | Kimura Kohki Co., Ltd. | Ceiling attaching type air conditioner |
| D886263, | Mar 05 2018 | Kimura Kohki Co., Ltd. | Ceiling attaching type air conditioner |
| D886264, | Mar 05 2018 | Kimura Kohki Co., Ltd. | Ceiling attaching type air conditioner |
| D886972, | Mar 05 2018 | Kimura Kohki Co., Ltd. | Ceiling attaching type air conditioner |
| D894358, | May 24 2017 | INNOVA S.R.L. | Ventilation and air conditioner equipment |
| D903843, | May 24 2017 | INNOVA S R L | Ventilation and air conditioner equipment |
| ER4619, |
| Patent | Priority | Assignee | Title |
| 4415019, | Apr 12 1982 | HUNZICKER-RILEY, INC | Heat exchange ventilating unit |
| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Date | Maintenance Fee Events |
| Date | Maintenance Schedule |