# Blaise Gassend — Patents explained on PatentBrief

Blaise Gassend has 1 landmark patent explained in plain English on PatentBrief.

- [How Self-Driving Cars Detect Dirty Lidar Sensors](https://patentbrief.org/patent/us/12130389/methods-and-systems-for-detecting-sensor-occlusions) — granted 2024
  Waymo's 2024 patent on a self-driving car system that uses two scans from a rotating Lidar sensor to spot dirt or obstructions on its lens.

**Full profile:** https://patentbrief.org/inventor/blaise-gassend

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