# Bloom Energy — Patents explained on PatentBrief

Bloom Energy has 2 landmark patents explained in plain English on PatentBrief.

- [How a High-Temperature Fuel Cell System Starts, Stops, and Recycles Fuel](https://patentbrief.org/patent/us/7846599/method-for-high-temperature-fuel-cell-system-start-up-and-shutdown) — granted 2010
  This patent describes a fuel cell system that uses a smaller, secondary fuel cell to power itself during startup and shutdown, and to recycle hydrogen from its exhaust during normal operation.
- [How Fuel Cells Reuse Exhaust Hydrogen for High Efficiency](https://patentbrief.org/patent/us/7833668/fuel-cell-system-with-greater-than-95-fuel-utilization) — granted 2010
  This patent describes a fuel cell system that captures and recycles over 95% of the unused hydrogen from its exhaust stream using a special pump, significantly boosting efficiency.

**Full profile:** https://patentbrief.org/company/bloom-energy

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_Source: PatentBrief — https://patentbrief.org. Plain-English explanations of US patents._