Assignee
ZEHNDER GROUP INT AG
CH·26 granted patents·14 pending applications·42 citations·filing 2014–2025
Top patents by PatentIndex Score
40 records- 0186US10852028B2Heat exchanger block and heat recovery ventilation unit comprising itZEHNDER GROUP INT AG·Filed 2016·Granted Dec 1, 2020·7 cites·18 claims
- 0283US10982911B2Enthalpy exchanger element, enthalpy exchanger comprising such elements and method for their productionZEHNDER GROUP INT AG·Filed 2017·Granted Apr 20, 2021·2 cites·24 claims
- 0377US10041746B2Enthalpy exchanger element and method for the productionZEHNDER GROUP INT AG·Filed 2014·Granted Aug 7, 2018·3 cites·15 claims
- 0467US2024393000A1Method for producing an exchanger element package for a vehicleZEHNDER GROUP INT AG·Filed 2024·Application pending·0 cites
- 0566USD1120287SFilter holder for a filter of a heat recovery ventilation unitZEHNDER GROUP INT AG·Filed 2025·Granted Mar 24, 2026·0 cites·1 claims
- 0666USD1118893SFilter holder for a filter of a heat recovery ventilation unitZEHNDER GROUP INT AG·Filed 2025·Granted Mar 17, 2026·0 cites·1 claims
- 0766USD1118894SFilter holder for a filter of a heat recovery ventilation unitZEHNDER GROUP INT AG·Filed 2025·Granted Mar 17, 2026·0 cites·1 claims
- 0866USD979730SAir cleaning deviceZEHNDER GROUP INT AG·Filed 2020·Granted Feb 28, 2023·5 cites·1 claims
- 0965USD986400SAir filter for ventilation equipmentZEHNDER GROUP INT AG·Filed 2021·Granted May 16, 2023·4 cites·1 claims
- 1060US11759753B2Enthalpy exchanger element, enthalpy exchanger comprising such elements and method for their productionZEHNDER GROUP INT AG·Filed 2021·Granted Sep 19, 2023·0 cites·18 claims
- 1159US2018320990A1Enthalpy Exchanger Element And Method For The ProductionZEHNDER GROUP INT AG·Filed 2018·Application pending·0 cites
- 1258USD827797SAir conditioning apparatusZEHNDER GROUP INT AG·Filed 2016·Granted Sep 4, 2018·9 cites·1 claims
- 1357US12104858B2Channel heat exchangerZEHNDER GROUP INT AG·Filed 2021·Granted Oct 1, 2024·0 cites·22 claims
- 1457US2024328645A1Ceiling element with air outlet boxZEHNDER GROUP INT AG·Filed 2022·Application pending·0 cites
- 1556US2024248009A1Air collecting device for a dust measuring systemZEHNDER GROUP INT AG·Filed 2022·Application pending·0 cites
- 1656US2024159411A1Heat recovery ventilation system with defrosting bypassZEHNDER GROUP INT AG·Filed 2022·Application pending·0 cites
- 1754US2017082369A1Bank For Heating Element And A Heating Element Comprising Such A BankZEHNDER GROUP INT AG·Filed 2014·Application pending·0 cites
- 1854US2016161131A1Enthalpy Exchanger Element And Method For The ProductionZEHNDER GROUP INT AG·Filed 2014·Application pending·0 cites
- 1952US10436475B2System and method for fastening a heating or cooling bodyZEHNDER GROUP INT AG·Filed 2014·Granted Oct 8, 2019·0 cites·15 claims
- 2052USD800283SHousings for air conditioning apparatusZEHNDER GROUP INT AG·Filed 2015·Granted Oct 17, 2017·6 cites·1 claims
- 2151US12203672B2Method for producing an exchanger element package for a vehicleZEHNDER GROUP INT AG·Filed 2019·Granted Jan 21, 2025·0 cites·15 claims
- 2249USD877307SHousings for air conditioning apparatusZEHNDER GROUP INT AG·Filed 2016·Granted Mar 3, 2020·5 cites·1 claims
- 2349US2023258367A1Air filter assembly for heat recovery ventilation unitZEHNDER GROUP INT AG·Filed 2021·Application pending·0 cites
- 2446US2025075938A1Air filtering deviceZEHNDER GROUP INT AG·Filed 2022·Application pending·0 cites
- 2545US2025027829A1Valve arrangementZEHNDER GROUP INT AG·Filed 2022·Application pending·0 cites
- 2644US2023356135A1Air cleaning deviceZEHNDER GROUP INT AG·Filed 2021·Application pending·0 cites
- 2744US2023375208A1Method of operating an air cleaning clusterZEHNDER GROUP INT AG·Filed 2021·Application pending·0 cites
- 2843US12264884B2Method for providing a heat exchanger block with a housing as well as heat exchanger block having such a housingZEHNDER GROUP INT AG·Filed 2019·Granted Apr 1, 2025·0 cites·15 claims
- 2942US11125462B2Channel element, channel element system for a ventilation system, and building envelope equipped with said channel element systemZEHNDER GROUP INT AG·Filed 2016·Granted Sep 21, 2021·0 cites·19 claims
- 3041US12510264B2Heat recovery unitZEHNDER GROUP INT AG·Filed 2021·Granted Dec 30, 2025·0 cites·17 claims
- 3140USD1114978SFilter holder for a filter of a heat recovery ventilation unitZEHNDER GROUP INT AG·Filed 2023·Granted Feb 24, 2026·0 cites·1 claims
- 3240US11015873B2Exchanger element for passenger compartment and passenger compartment equipped with such an exchanger elementZEHNDER GROUP INT AG·Filed 2016·Granted May 25, 2021·0 cites·16 claims
- 3337USD1045052SIndoor ventilating fanZEHNDER GROUP INT AG·Filed 2023·Granted Oct 1, 2024·1 cites·1 claims
- 3437US2022146142A1Air exhaust valve for ventilating roomsZEHNDER GROUP INT AG·Filed 2020·Application pending·0 cites
- 3535USD1098396SAir cleaning deviceZEHNDER GROUP INT AG·Filed 2023·Granted Oct 14, 2025·0 cites·1 claims
- 3634US10584925B2Stacked plate heat exchanger with form fitting connection of the platesZEHNDER GROUP INT AG·Filed 2016·Granted Mar 10, 2020·0 cites·11 claims
- 3732US2023272938A1Compact heat recovery ventilation unit with bypassZEHNDER GROUP INT AG·Filed 2021·Application pending·0 cites
- 3831US12535082B2Centrifugal fan arrangementZEHNDER GROUP INT AG·Filed 2021·Granted Jan 27, 2026·0 cites·14 claims
- 3930US12072120B2Air diffuser device for ventilating roomsZEHNDER GROUP INT AG·Filed 2018·Granted Aug 27, 2024·0 cites·18 claims
- 4024USD824503SAir conditioning apparatusZEHNDER GROUP INT AG·Filed 2015·Granted Jul 31, 2018·0 cites·1 claims
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