Patents/Inventors

Yordan Konstantinov Kralev

SofiaBG4 patents

3 Patents

US125102612025
Air Purifier with Noise Mitigation Feature
Vitality Ventures HK Company Limited
0 cites
US116605592023
Filter Life Prediction Method and Filter Type Detection Method
Vitality Ventures HK Company Limited
0 cites
US116336872023
Air Purifier
Vitality Ventures HK Company Limited
0 cites