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| Number | Title | Issue Date |
| 7258715 | Air cleaner An improved filter element for use in an electrostatic precipitation air cleaning device, the filter element including rod electrodes arranged through a stack of alternating fluted plastic sheets and plate electrodes. Successive plate electrodes are arranged to make... | 08/21/2007 |
| D527086 | Air cleaner | 08/22/2006 |
| D525692 | Air cleaner | 07/25/2006 |
| D525691 | Air cleaner | 07/25/2006 |
| 7014686 | Electrostatic air cleaner An air cleaner electrode assembly includes an elongated collector electrode and a plurality of elongated discharge electrodes arranged around the collector electrode. A fan may move air in a direction parallel to a length of the electrodes. The collector electrode m... | 03/21/2006 |
| D515189 | Air cleaner | 02/14/2006 |
| D513431 | Air Cleaner | 01/03/2006 |
| D513313 | Air cleaner | 12/27/2005 |
| D512495 | Air cleaner | 12/06/2005 |
| D509292 | Air cleaner | 09/06/2005 |
| 6899745 | Electrostatic air cleaner An air cleaner electrode assembly includes an elongated collector electrode and a plurality of elongated discharge electrodes arranged around the collector electrode. A fan may move air in a direction parallel to a length of the electrodes. The collector electrode m... | 05/31/2005 |
| D495043 | Air cleaner housing | 08/24/2004 |
| D491654 | Air cleaner housing | 06/15/2004 |
| 6361590 | Low noise air cleaner A portable air cleaner including a housing defining an air inlet, an air outlet, and an air flow path therebetween, a centrifugal blower retained within the air flow path and operable to draw air through the inlet and a filter retained within the housing ... | 03/26/2002 |
| 6036757 | Portable room air purifier A portable air purifier including a housing defining an air inlet, an air outlet and an air flow passage extending therebetween; a filter mechanism disposed to filter air circulating through the flow passage; and a fan retained by the housing and activata... | 03/14/2000 |
| 5553607 | Portable steam inhalator A portable inhalator including a housing defining an inhalation chamber with a discharge opening for accommodating a breath supporting body portion, an exhaust passage terminating with an exhaust opening and isolated from the inhalation chamber, and a liq... | 09/10/1996 |
