CR Flight has a total of 41 patents globally, out of which 8 have been granted. Of these 41 patents, more than 80% patents are active. The United States of America is where CR Flight has filed the maximum number of patents, followed by Europe. Parallelly, United States of America seems to be the main focused R&D centre and also is the origin country of CR Flight.
CR Flight was founded in 2015. CR Flight develops energy-efficient counter-rotating motors for drones and delivers significant improvements in thrust and operating range with the highest reliability with the first application of this technology, enabling customers to significantly improve thrust efficiency and overall performance of propulsion systems for UAVs.
Do read about some of the most popular patents of CR Flight which have been covered by us in this article and also you can find CR Flight patents information, the worldwide patent filing activity and its patent filing trend over the years, and many other stats over CR Flight patent portfolio.
How many patents does CR Flight have?
CR Flight has a total of 41 patents globally. These patents belong to 8 unique patent families. Out of 41 patents, 33 patents are active.
How Many Patents did CR Flight File Every Year?
Are you wondering why there is a drop in patent filing for the last two years? It is because a patent application can take up to 18 months to get published. Certainly, it doesn’t suggest a decrease in the patent filing.
| Year of Patents Filing or Grant | CR Flight Applications Filed | CR Flight Patents Granted |
| 2023 | – | 3 |
| 2022 | 6 | 3 |
| 2021 | 11 | 2 |
| 2020 | 17 | – |
| 2019 | 3 | – |
| 2017 | 4 | – |
How many CR Flight patents are Alive/Dead?
Worldwide Patents
How Many Patents did CR Flight File in Different Countries?
Countries in which CR Flight Filed Patents
| Country | Patent |
| United States Of America | 8 |
| Europe | 7 |
| Australia | 4 |
| Canada | 4 |
| South Africa | 3 |
| India | 3 |
| Israel | 3 |
| Austria | 1 |
Where are Research Centers of CR Flight Patents Located?
The Research Centers of CRFlight Patents is the United States of America.
List of CR Flight patents
| CR Flight Patents | Title |
| US11691627B2 | Counter-Rotating Electric Motor System For High Efficiency Operation Of A Hybrid Or Electric Vehicle |
| US11462979B2 | Counter-Rotating Axial Electric Motor Assembly |
| US11453286B2 | Hybrid Vehicle Counter-Rotating Motor Adapted Driveline And Retro-Fit System |
| US20230102299A1 | Rotary Electrical Transformer With Preferred Lubricant |
| US20220109277A1 | Slip Ring Assembly With Paired Power Transmission Cylinders |
| US20220109278A1 | Slip Ring Assembly With Paired Power Transmission Bands |
| US20220239201A1 | Counter-Rotating Differential Electric Motor Assembly Slip Ring Assembly |
| US20220239187A1 | Counter-Rotating Differential Electric Motor Assembly |
| EP3552276B1 | High Current And Rpm-Capable Slip Ring Assembly |
| EP4158668A1 | Rotary Electrical Transformer With Preferred Lubricant |
| EP3959783A4 | Slip Ring Assembly With Paired Power Transmission Cylinders |
| EP3959784A4 | Slip Ring Assembly With Paired Power Transmission Bands |
| EP3959805A4 | Counter-Rotating Axial Electric Motor Assembly |
| EP4022723A1 | Counter-Rotating Differential Electric Motor Assembly Slip Ring Assembly |
| EP4022745A1 | Counter-Rotating Differential Electric Motor Assembly |
| CA3133364C | Counter-Rotating Axial Electric Motor Assembly |
| CA3184623A1 | Rotary Electrical Transformer With Preferred Lubricant |
| CA3044856A1 | High Current And Rpm-Capable Slip Ring Assembly |
| CA3152270A1 | Counter-Rotating Differential Electric Motor Assembly |
| AU2017372727B2 | High Current And Rpm-Capable Slip Ring Assembly |
| AU2020262873B2 | Counter-Rotating Axial Electric Motor Assembly |
| AU2021284218A1 | Rotary Electrical Transformer With Preferred Lubricant |
| AU2020336060A1 | Counter-Rotating Differential Electric Motor Assembly |
| ZA201903506B | High Current And Rpm-Capable Slip Ring Assembly |
| IL298461A | Rotary Electrical Transformer With Preferred Lubricant |
| IN202217066154A | Rotary Electrical Transformer With Preferred Lubricant |
| ZA202106435A | Counter-Rotating Axial Electric Motor Assembly |
| ZA202201797A | Counter-Rotating Differential Electric Motor Assembly |
| IL286195A | Counter-Rotating Axial Electric Motor Assembly |
| AT1579933T | Hochstrom- Und Rpm-Fähige Gleitringanordnung |
| IN202117042694A | Counter-Rotating Axial Electric Motor Assembly |
| IN202217009885A | Counter-Rotating Differential Electric Motor Assembly |
| IL290856A | Counter-Rotating Differential Electric Motor Assembly |
| WO2021247316A1 | Rotary Electrical Transformer With Preferred Lubricant |
| WO2020219418A1 | Slip Ring Assembly With Paired Power Transmission Cylinders |
| WO2020219416A1 | Slip Ring Assembly With Paired Power Transmission Bands |
| WO2020219415A1 | Counter-Rotating Axial Electric Motor Assembly |
| WO2019147587A1 | Counter-Rotating Electric Motor System For High Efficiency Operation Of A Hybrid Or Electric Vehicle |
| WO2019147588A1 | Hybrid Vehicle Counter-Rotating Motor Adapted Driveline And Retro-Fit System |
| WO2021041434A1 | Counter-Rotating Differential Electric Motor Assembly |
| WO2021041435A1 | Counter-Rotating Differential Electric Motor Assembly Slip Ring Assembly |
What are CR Flight key innovation segments?
What Technologies are Covered by CR Flight?
The chart below distributes patents filed by CR Flight