Patents play a crucial role in the energy sector, as they provide legal protection for new and innovative technologies that can help address energy challenges and drive progress in the field. Here are a few examples of patents in the energy sector:

1. Renewable energy technologies: Patents related to renewable energy technologies, such as solar, wind, and geothermal power systems, are becoming increasingly important as the world seeks to transition to a low-carbon economy. These patents cover a range of innovations, from new materials and designs for solar panels to more efficient wind turbines.

2. Energy storage: As renewable energy sources become more widespread, the need for effective energy storage solutions is growing. Patents related to energy storage technologies, such as batteries and fuel cells, are therefore becoming more valuable.

3. Smart grid: The smart grid is a modernized electricity grid that uses advanced technologies to improve efficiency, reliability, and sustainability. Patents related to smart grid technologies, such as sensors, communication systems, and data analytics tools, are critical to the development of this infrastructure.

Overall, patents are an important driver of innovation in the energy sector and can help accelerate the transition to a more sustainable energy future.