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Qiulu Dai

Robert Bosch Gmbh: 2 patents #7,316 of 19,740Top 40%
Overall (All Time): #1,993,052 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9811986 Method and device for determining an unauthorized intrusion at a door Maxime Loidreau, Julian Bartholomeyczik, Frank Schindler 2017-11-07
9799209 Intrusion sensor for monitoring an entrance to a building to be monitored, and method Frank Schindler, Julian Bartholomeyczik, Christian Reichert 2017-10-24