Wyatt Technology, LLC
103Patents
72Active
103Granted
51Portfolio score
Filing activity: Nov 6, 1984 → Dec 5, 2023 · 8 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6490530B1 | Aerosol hazard characterization and early warning network | Physics | 78 | Expired |
| US4810875A | Method and apparatus for examining the interior of semi-opaque objects | Physics | 57 | Expired |
| US4952055A | Differential refractometer | Physics | 48 | Expired |
| US4616927A | Sample cell for light scattering measurements | Physics | 46 | Expired |
| US5305071A | Differential refractometer | Physics | 44 | Expired |
| US4710025A | Process for characterizing suspensions of small particles | Physics | 38 | Expired |
| US7294513B2 | Method and apparatus for characterizing solutions of small particles | Emerging Cross-Sectional Technologies | 36 | Active |
| US6426794B1 | Optical flow cell incorporating automatic self-cleaning | Emerging Cross-Sectional Technologies | 34 | Expired |
| US4907884A | Sample cell monitoring system | Physics | 34 | Expired |
| US4693602A | Method and apparatus for measuring the light scattering properties of small particles | Physics | 26 | Expired |
| US5475235A | Control of laser light power output for use in light scattering instruments by inducing mode hopping and averaging result | Electricity | 25 | Expired |
| US5129723A | High performance Zimm chromatography--HPZC | Physics | 23 | Expired |
| US5530540A | Light scattering measurement cell for very small volumes | Physics | 23 | Expired |
| US6128080A | Extended range interferometric refractometer | Physics | 17 | Expired |
| US6452672B1 | Self cleaning optical flow cell | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6774994B1 | Method and apparatus for determining absolute number densities of particles in suspension | Physics | 14 | Expired |
| US6651009B1 | Method for determining average solution properties of macromolecules by the injection method | Physics | 12 | Expired |
| US5528366A | Precision determination for molecular weights | Physics | 10 | Expired |
| US5676830A | Method and apparatus for reducing band broadening in chromatographic detectors | Physics | 10 | Expired |
| US5900152A | Apparatus to reduce inhomogeneities in optical flow cells | Physics | 10 | Expired |
| USD329821S | Apparatus for the measurement of fine particles in liquid suspension by the light scattering procedure | General | 9 | Expired |
| US7331218B2 | Capillary bridge viscometer and method for measuring specific viscosity | Physics | 8 | Expired |
| US6975392B2 | Enhanced sensitivity differential refractometer measurement cell | Physics | 7 | Expired |
| US8333891B2 | Field flow fractionator with controllable cross flow along its length | Physics | 7 | Active |
| US6180906A | Electrode design for electrical field flow fractionation | Physics | 7 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.