Microtrac, Inc.
Records under this name other than patents Microtrac, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,451,434 | Method and apparatus for measuring zeta potential of suspended particles Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 9,897,524 | Method and apparatus for measurement of particle characteristics using light scattering and optical imaging Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 10,113,945 | Method and apparatus for combining measurements of particle characteristics using light scattering and optical imaging Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 6,281,973 | Optical detection system and method for determining particle size distribution in an oscillating flow field Term ended Term ended Sep 28, 2019 · From the USPTO record | Term ended | Term ended Sep 28, 2019 | From the USPTO record |
| US 6,094,266 | Detector for determining particle size distribution in an oscillating flow field Term ended Term ended Jan 22, 2019 · From the USPTO record | Term ended | Term ended Jan 22, 2019 | From the USPTO record |
| US 6,177,983 | Method and system for the measurement of specific characteristics of small particles Term ended Term ended Sep 17, 2018 · From the USPTO record | Term ended | Term ended Sep 17, 2018 | From the USPTO record |
| US 6,396,979 | Optical waveguide probe having variable gap focusing Lapsed on the fee record Ended May 28, 2014 · From the USPTO record | Lapsed on the fee record | Ended May 28, 2014 | From the USPTO record |
| US 6,394,642 | Mixing reservoir for an automated recirculating particle size analysis method Lapsed on the fee record Ended May 28, 2006 · From the USPTO record | Lapsed on the fee record | Ended May 28, 2006 | From the USPTO record |
| US 6,234,664 | Mixing reservoir for an automated recirculating particle size analysis system Lapsed on the fee record Ended May 22, 2005 · From the USPTO record | Lapsed on the fee record | Ended May 22, 2005 | From the USPTO record |
| US 6,178,830 | In-line diluting extractor Lapsed on the fee record Ended Jan 30, 2005 · From the USPTO record | Lapsed on the fee record | Ended Jan 30, 2005 | From the USPTO record |