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1999-02-04 |
2000-10-30 |
Ericsson Telefon Ab L M |
Elektrostatisk tryckluftpump
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(en)
*
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1999-03-22 |
2001-06-12 |
Enviromental Elements Corp. |
Method for enhancing collection efficiency and providing surface sterilization of an air filter
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US6228330B1
(en)
*
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1999-06-08 |
2001-05-08 |
The Regents Of The University Of California |
Atmospheric-pressure plasma decontamination/sterilization chamber
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USD440290S1
(en)
*
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1999-11-04 |
2001-04-10 |
Sharper Image Corporation |
Automobile air ionizer
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USD427300S
(en)
*
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1999-11-04 |
2000-06-27 |
The Sharper Image |
Personal air cleaner
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JP2001312122A
(ja)
*
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2000-05-01 |
2001-11-09 |
Ricoh Co Ltd |
コロナ放電装置及びそれを有する画像形成装置
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AUPR160500A0
(en)
*
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2000-11-21 |
2000-12-14 |
Indigo Technologies Group Pty Ltd |
Electrostatic filter
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RU2182850C1
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*
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2001-03-27 |
2002-05-27 |
Ооо "Обновление" |
Устройство для очистки воздуха от пыли и аэрозолей
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(en)
*
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2001-07-12 |
2003-06-03 |
Engineering Dynamics Ltd |
Power supply for electrostatic air filtration
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*
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2003-04-28 |
2008-06-17 |
Air Products And Chemicals, Inc. |
Removal of surface oxides by electron attachment for wafer bumping applications
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