POLAR LIGHT LIMITED
Patent Owner
Stats
- 42 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Feb 12, 2008 most recent publication
Details
- 42 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 2,311 Total Citation Count
- Apr 25, 1994 Earliest Filing
- 22 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
7228593 Appliance which utilizes a magnetic clutch to transmit power from a drive means to a movable member and a magnetic clutchApr 17, 03Jun 12, 07[A47L]
6491815 Construction of a water treatment reservoir for a domestic water treatment applianceJan 12, 01Dec 10, 02[B01D]
6482252 Vacuum cleaner utilizing electrostatic filtration and electrostatic precipitator for use thereinJan 07, 00Nov 19, 02[B03C]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
6740144 Vacuum cleaner utilizing electrostatic filtration and electrostatic precipitator for use thereinExpiredJan 14, 02May 25, 04[B03C]
2003/0201,754 Method for operation an appliance and an appliance that uses the methodAbandonedApr 24, 03Oct 30, 03[H02J]
6383266 Vacuum cleaner utilizing electrostatic filtration and electrostatic precipitator for use thereinExpiredJan 07, 00May 07, 02[B03C]
6312606 Method for measuring the degree of treatment of a medium by a gasExpiredNov 07, 00Nov 06, 01[C02F]
6280633 Ozone sensor and method for use of same in water purification systemExpiredDec 01, 99Aug 28, 01[G01N, B01D]
6156100 Method and apparatus for concentrating a gas using a single stage adsorption zoneExpiredFeb 01, 99Dec 05, 00[B01D]
Top Inventors for This Owner
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