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Micro annular gear pumps (and housings) are protected by assigned patents:
US 6,520,757 B1, EP 852674 B1, US 6,179,596 B1, EP 1354135, US 7,698,818 B2, US 9,404,492 B2.
DE 10 2011 001 041.6, PCT/IB2011/055108, EP 11 81 3388.3, US 13/884,088, CN 2011 8006 5051.7, HK 13 11 2934.9, DE 10 2011 051 486.4, PCT/EP2012/061514, EP 12 728264.8, CN 2012 8003 8326.2. In the US, Europe and China additional patents are pending.
HNPM®, mzr®, MoDoS®, µ-Clamp®, µDispense® are registered German trademarks of HNP Mikrosysteme GmbH.
Kalrez® Spectrum™ is a registered trademark of DuPont.
PEEK™ is a registered trademark of Victrex plc.
Teflon® is a registered trademark of DuPont.
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HASTELLOY® is a registered trademark of Haynes International, Inc.
Aflas® is a registered trademark of ASAHI Glass Ltd.
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