CREDENTIALS & PATENTS
Independently certified, audit-ready
Every Pisonics meter we ship is backed by independent certification and authorized patents — CE marking, CNEX hazardous-area (Ex) approvals, Chinese measuring-instrument type approvals and ISO 9001 quality certification. Click any certificate to view the full-resolution original.
PATENTS
Authorised patents — invention & utility model
Each patent below was independently filed by Pisonics and granted by the China National Intellectual Property Administration (CNIPA). They cover the core algorithms and probe designs used across our measurement principles.
| # | Title | Patent No. | Type | Year |
|---|---|---|---|---|
| 1 | Slurry density measurement method based on linear-frequency-modulation acoustic-impedance ultrasound | Invention | ||
| 2 | Clamp-on ultrasonic acoustic-attenuation slurry concentration measurement device | Utility Model |
Full patent list is searchable on the CNIPA public patent database under the applicant name "Xi'an Pisonics Information Technology Co., Ltd."
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