Inventor · disambiguated record
David Keerl
Also filed as: KEERL DAVID
1 granted patent·2 pending applications·3 citations·filing 2016–2022
22Inventor score
Top patents by PatentIndex Score
3 records- 0176US10300419B2Filter medium, filter element and filter arrangementMANN & HUMMEL GMBH·Filed 2016·Granted May 28, 2019·3 cites·23 claims
- 0266US2022305417A1Anti-microbial, anti-allergenic bio-functional air filter medium and air filter elementMANN HUMMEL LIFE SCIENCES & ENV HOLDING SINGAPORE PTE LTD·Filed 2022·Application pending·0 cites
- 0352US2022047978A1Anti-microbial, anti-allergenic bio-functional air filter medium for residential air filtration and air filter elementMANN HUMMEL LIFE SCIENCES & ENV HOLDING SINGAPORE PTE LTD·Filed 2020·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →