The automotive industry continues to be a hotbed of patent innovation. In applications related to renewable energy, such as solar thermal systems and biomass processing, multi-fluid heat exchangers play a role in capturing and transferring heat efficiently. This supports the integration of renewable energy sources into existing processes. Additionally, Industries such as chemical processing, petrochemicals, pharmaceuticals, and energy production increasingly require efficient heat exchange solutions. Multi-fluid heat exchangers are versatile and can be customized to meet the specific needs of various industrial processes. Innovation in multi-fluid heat exchangers is also driven by the growing importance of technologies such as computational fluid dynamics, additive manufacturing, microscale and nanoscale heat transfer enhancement, and phase change materials. In the last three years alone, there have been over 720,000 patents filed and granted in the automotive industry, according to GlobalData’s report on Innovation in automotive: multi-fluid heat exchangers. Buy the report here.
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However, not all innovations are equal and nor do they follow a constant upward trend. Instead, their evolution takes the form of an S-shaped curve that reflects their typical lifecycle from early emergence to accelerating adoption, before finally stabilizing and reaching maturity.
Identifying where a particular innovation is on this journey, especially those that are in the emerging and accelerating stages, is essential for understanding their current level of adoption and the likely future trajectory and impact they will have.
300+ innovations will shape the automotive industry
According to GlobalData’s Technology Foresights, which plots the S-curve for the automotive industry using innovation intensity models built on over one million patents, there are 300+ innovation areas that will shape the future of the industry.
Within the emerging innovation stage, multi-spark ignition, integrated multi-motor drivetrains and vehicle auxiliary drives are disruptive technologies that are in the early stages of application and should be tracked closely. Solar range extenders, turbocharger shaft bearings, and multi-lamellar clutches are some of the accelerating innovation areas, where adoption has been steadily increasing. Among maturing innovation areas are auto-transmission lubrication circuits and electroluminscent vehicle displays, which are now well established in the industry.
Innovation S-curve for the automotive industry
Multi-fluid heat exchangers is a key innovation area in automotive
Multi-fluid heat exchangers are devices used to transfer heat between different fluids without allowing them to come in contact with each other. They consist of multiple units with passages for each fluid to pass through, with a third conduit carrying an intermediate fluid to transfer heat between them.
GlobalData’s analysis also uncovers the companies at the forefront of each innovation area and assesses the potential reach and impact of their patenting activity across different applications and geographies. According to GlobalData, there are 125+ companies, spanning technology vendors, established automotive companies, and up-and-coming start-ups engaged in the development and application of multi-fluid heat exchangers.
Key players in multi-fluid heat exchangers – a disruptive innovation in the automotive industry
‘Application diversity’ measures the number of applications identified for each patent. It broadly splits companies into either ‘niche’ or ‘diversified’ innovators.
‘Geographic reach’ refers to the number of countries each patent is registered in. It reflects the breadth of geographic application intended, ranging from ‘global’ to ‘local’.
Patent volumes related to multi-fluid heat exchangers
| Company | Total patents (2021 - 2023) | Premium intelligence on the world's largest companies |
| Rolls-Royce | 13 | Unlock Company Profile |
| Sejong Industrial | 14 | Unlock Company Profile |
| Dana | 94 | Unlock Company Profile |
| Valeo | 27 | Unlock Company Profile |
| Zhejiang Sanhua Intelligent Controls | 25 | Unlock Company Profile |
| Air Liquide | 14 | Unlock Company Profile |
| KNM Group Bhd | 15 | Unlock Company Profile |
| Hyundai Motor | 145 | Unlock Company Profile |
| Hanon Systems | 33 | Unlock Company Profile |
| Saipem | 19 | Unlock Company Profile |
| General Electric | 32 | Unlock Company Profile |
| Mitsubishi Electric | 20 | Unlock Company Profile |
| Modine Manufacturing | 28 | Unlock Company Profile |
| Wescast Industries | 12 | Unlock Company Profile |
| Porsche Automobil | 48 | Unlock Company Profile |
| Tenneco | 17 | Unlock Company Profile |
| Raytheon Technologies | 73 | Unlock Company Profile |
| Mahle | 69 | Unlock Company Profile |
| Sumitomo | 14 | Unlock Company Profile |
| LG | 29 | Unlock Company Profile |
| Honeywell International | 11 | Unlock Company Profile |
| BorgWarner | 26 | Unlock Company Profile |
| Kia | 39 | Unlock Company Profile |
| Ford Motor | 17 | Unlock Company Profile |
| NGK Insulators | 18 | Unlock Company Profile |
| Stellantis | 19 | Unlock Company Profile |
| TechnipFMC | 13 | Unlock Company Profile |
| Tanjung Citech UK | 18 | Unlock Company Profile |
| ARVOS Group (formerly Alstom Steam Auxiliary Components business) | 15 | Unlock Company Profile |
| Haldor Topsoe | 25 | Unlock Company Profile |
| MANN+HUMMEL International | 22 | Unlock Company Profile |
Source: GlobalData Patent Analytics
Hyundai Motor is a leading patent filers in multi-fluid heat exchangers. Hyundai Motor's multi-fluid heat exchanger (MFE) technology is a system that uses multiple fluids to transfer heat more efficiently than traditional heat exchangers. The system is expected to be used in future Hyundai electric vehicles (EVs) to improve their range and performance. The MFE system uses three fluids - a refrigerant, a coolant, and a brine. The refrigerant is used to cool the battery pack, the coolant is used to cool the motor and other components, and the brine is used to store heat. Some other key patent filers in the space include Dana, RTX, and Mahle.
In terms of application diversity, Porsche Automobil leads the pack, while Kia and General Electric stood in the second and third positions, respectively. By means of geographic reach, Saipem held the top position, followed by KNM Group and Air Liquide.
To further understand the key themes and technologies disrupting the automotive industry, access GlobalData’s latest thematic research report on Automotive.
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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.
GlobalData’s Patent Analytics tracks patent filings and grants from official offices around the world. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
