Patent Oppositions in air conditioning and ventilation systems industry

Explore the competitive field of air conditioning and ventilation systems where companies are constantly innovating to stay ahead. Discover the latest patent opposition trends, top companies filing and facing patent oppositions, and the most recent patents under dispute. Stay informed on patent activity in air conditioning and ventilation systems technology and learn how to protect your intellectual property.

Explore the top law firms that have filed the most patent oppositions in the technology industry.

Patent challenges are becoming increasingly common in the air conditioning and ventilation systems industry as companies work to protect their innovations in a highly competitive market. These legal battles can significantly impact the development and release of new technologies. Below is a list of the latest patents that have been opposed in the air conditioning and ventilation systems industry, offering a snapshot of the ongoing struggles over intellectual property rights. For anyone involved in this industry, understanding these patent disputes is essential for navigating its future.

Last updated on: Jul 2, 2026
Patent NumberTitleApplicantOpposition DateOpposition Name
Respiratory Pressure DeviceRESMEDMay 26, 2026FISHER & PAYKEL HEALTHCARE
Line Voltage Powered Thermostat With Wireless CommunicationWARMBOARDApr 29, 2026SEWERIN
Air ConditionerDAIKIN INDUSTRIESApr 8, 2026MEXICHEM FLUOR DE CV
Method For Operating An Energy Supply System And Energy Supply System For Providing Cooling Capacity And/Or Heating PowerVIESSMANN CLIMATE SOLUTIONSFeb 19, 2026CANZLER & BERGMEIER
Fire Damper With A Housing Having At Least One Housing Wall And With A Flap Leaf Mounted In Such A Manner That It Can Be Pivoted About An Axis Of Rotation Between An Open Position And A Closed PositionTROXFeb 16, 2026WILDEBOER BAUTEILE
A System, An Arrangement And Method For Heating And CoolingQUANTITATIVE HEATDec 17, 2025KOLSTER
Method Of Controlling Atmosphere In A Refrigerated ContainerCARRIERNov 19, 2025THERMO KING
Improved Vent For Extracting Or Blowing Air For Ventilation System For A RoomAERECONov 10, 2025ANJOS VENTILATION
Outer Rotor Motor With Integrated Cooling VentilatorLG ELECTRONICSSep 30, 2025ZIEHL ABEGG
Filtration Material Using Fiber Blends That Contain Strategically Shaped Fibers And/Or Charge Control AgentsSWM LUXEMBOURGJun 11, 2025MAIWALD

To stay ahead in the competitive air conditioning and ventilation systems industry, companies are constantly innovating. Here are the top patents facing oppositions in the air conditioning and ventilation systems industry. Stay informed on the latest opposition trends and learn how to protect your intellectual property.

Last updated on: Jul 2, 2026
Patent NumberPublication DateTitleApplicantTotal Oppositions
Apr 12, 2023Method And System For Temporary Supply Of Energy To BuildingsJRN7
Mar 7, 2018A Modular Smoke Ventilation System With Serial Control PointsWINDOWMASTER4
Sep 12, 2018Air Treatment Device And Surface-Treatment Plant With Such An Air Treatment DeviceEISENMANN MASCHINENBAU3
Nov 18, 2020Monitoring Of Heat ConsumptionISTA3
Jun 26, 2019Relining A Ventilation SystemLINERVENT3
May 17, 2017Air Filter ModuleLANGNER3
Aug 26, 2020Detachable Sensor Module For An Air Treatment DeviceBLUEAIR2
Apr 4, 2018Method For Operating A Smoke-Heat Extraction System, And Smoke-Heat Extraction SystemGRETSCH UNITAS BAUBESCHLGE2
Aug 10, 2022Air DehumidifierHENKEL2
May 3, 2017Hose Management System For Supplying Conditioned Air To An AircraftTWIST2