% Expired Patents = 75.0

Forward Citations = 261

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2 inventors (with patents filed for the assignee):

Wayne Ernest Conrad (4 out of 742 patents)

Helmut Gerhard Conrad (1 out of 52 patents)

4 patents: Sort by Forward Citations

1. 7329294 - Dirt container for a surface cleaning apparatus and method of use (2008-02-12),

2. 7228593 - Appliance which utilizes a magnetic clutch to transmit power from a drive means to a movable member and a magnetic clutch (2007-06-12),

3. 7179314 - Vacuum cleaner (2007-02-20),

4. 6582489 - Method and apparatus of particle transfer in multi-stage particle separators (2003-06-24),

Polar Light Limited is a leading manufacturer of energy-efficient LED lighting solutions. With a focus on sustainability and innovation, we offer a wide range of products for residential, commercial, and industrial applications. Our products are designed to reduce energy consumption and carbon footprint while providing exceptional lighting quality. We are committed to providing our customers with reliable and cost-effective lighting solutions that meet their unique needs.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Sep 22 2026

4 Patents

#733 in Hong Kong

#6,330 in China

Hong Kong, China

Polar Light Limited

Forward Citations = 261

2 inventors:

Wayne Ernest Conrad (4 out of 742 patents)

Helmut Gerhard Conrad (1 out of 52 patents)

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