% Expired Patents = 80.0

EPO Patents = 1

Forward Citations = 12

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3 inventors (with patents filed for the assignee):

Werner Fleischer (4 out of 5 patents)

Beda Weibel (1 out of 1 patent)

Michael Oswald (1 out of 4 patents)

5 patents: Sort by Forward Citations

1. 9711317 - Air ionization module (2017-07-18),

2. 8480463 - Flat element for thermally adjusting indoor air (2013-07-09),

3. 7563416 - Safety device for air in at least one room of a building (2009-07-21),

4. 7381245 - System for influencing and treating the air of at least one room (2008-06-03),

5. 7045099 - Method for the treatment of air of at least one room by air ionization (2006-05-16),

Company Overview

Lk Luftqualität Ag is a leading provider of air quality monitoring solutions. With a focus on accuracy and reliability, we offer a wide range of products and services to ensure clean and safe air for our customers. Our innovative technology and commitment to customer satisfaction set us apart in the industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

5 Patents

#19 in Lucerne

#1,706 in Switzerland

Lucerne, Switzerland

Lk Luftqualität Ag

Forward Citations = 12

3 inventors:

Werner Fleischer (4 out of 5 patents)

Beda Weibel (1 out of 1 patent)

Michael Oswald (1 out of 4 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Lk Luftqualität Ag. Retrieved from https://idiyas.com/company/lk-luftqualitat-ag

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

1 patent (EPO):

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]