© 2023 Sensoterra. Design registered. United States Design Patent D841,490. EU- design 003827625. 中国外观设计专利ZL 201730320770. Pending patent applications: 中国发明专利申请 201780085708.3 (专利申请，尚未授权). 中国发明专利申请 PCT/NL2019/050377 (专利申请，尚未授权). United States Patent Application 16/472,599, European patent application 17832780.5. International patent application PCT/NL2019/050377. Issued patents: Dutch Patent 1042193. Dutch patent 2021169, US11378535B2. Sensoterra and its logo are trademarks of Sensoterra International B.V.