A utility model patent titled "Vehicle-Mounted Toilet and Vehicle," filed by Seres Automobile Co., Ltd. on April 22, 2025, was granted on April 10, 2026, with the publication number CN224104011U and is currently valid. The patent discloses an in-vehicle emergency toilet device comprising a toilet body and a slide rail assembly. The slide rail assembly includes a fixed rail mounted on the upper portion of the toilet body and a sliding rail connected to the vehicle seat. During use, the toilet can be pulled out from beneath the seat and pushed back underneath after use for concealed storage, thereby saving interior space. Classified under IPC code B60R15/04, this patent falls within the field of automotive interior and convenience features. The inventors listed are Wang Pengcheng, Zheng Yaokai, Ye Xiaojun, Lin Zhen ting, and Feng Tao. It remains unclear whether this device will be implemented in mass-produced vehicles.