Waters Technologies Corporation
685Patents
669Active
685Granted
63Portfolio score
Filing activity: Apr 3, 1987 → May 13, 2024 · 122 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4995976A | Water purification straw | Chemistry; Metallurgy | 70 | Expired |
| US6051135A | Apparatus for making aqueous chlorine dioxide and apparatus for treating water with aqueous chlorine dioxide | Emerging Cross-Sectional Technologies | 39 | Expired |
| US9731219B2 | Methods and devices for open-bed atmospheric collection for supercritical fluid chromatography | Physics | 31 | Active |
| US9120083B2 | Porous inorganic/organic hybrid particles having high organic content and enhanced pore geometry for chromatographic separations | Emerging Cross-Sectional Technologies | 31 | Active |
| US8511140B2 | Baseline modeling in chromatography | Physics | 26 | Active |
| US5855861A | Method and apparatus for making aqueous chlorine dioxide | Chemistry; Metallurgy | 25 | Expired |
| US7919177B2 | Porous inorganic/organic hybrid particles for chromatographic separations and process for their preparation | Emerging Cross-Sectional Technologies | 24 | Active |
| US7645984B2 | Apparatus and method for identifying peaks in liquid chromatography/mass spectrometry data and for forming spectra and chromatograms | Physics | 22 | Expired |
| US8658277B2 | Porous inorganic/organic hybrid materials with ordered domains for chromatographic separations and processes for their preparation | Emerging Cross-Sectional Technologies | 21 | Active |
| US9194504B2 | Rotating valve | Mechanical Engineering; Lighting; Heating | 18 | Active |
| US7800055B2 | System and method for grouping precursor and fragment ions using selected ion chromatograms | Electricity | 15 | Active |
| US7607823B2 | Leak detector comprising a self-heated thermistor control circuit | Physics | 15 | Expired |
| US8404346B2 | Porous inorganic/organic hybrid monolith materials for chromatographic separations and process for their preparation | Emerging Cross-Sectional Technologies | 15 | Active |
| US7820966B2 | Mass spectrometer | Physics | 15 | Active |
| US8178834B2 | Ion detection and parameter estimation for N-dimensional data | Physics | 14 | Active |
| US9169934B2 | High pressure fluidic switching valve having variable pressure loading | Emerging Cross-Sectional Technologies | 14 | Active |
| US8312762B2 | Device and methods for reducing pressure and flow perturbations in a chromatographic system | Physics | 14 | Active |
| US8297589B2 | Active valve and methods of operation thereof | Emerging Cross-Sectional Technologies | 13 | Active |
| US7909367B2 | Capillary interconnection fitting and method of holding capillary tubing | Physics | 13 | Active |
| US9518960B2 | System and method for rapid analysis of polycyclic aromatic hydrocarbons | Physics | 13 | Active |
| US8066429B2 | System and method for thermal analysis using variable thermal resistance | Physics | 12 | Active |
| US8485030B2 | Thermal loop flow sensor | Physics | 11 | Active |
| US9334989B2 | Low carryover high pressure fluidic fitting | Physics | 11 | Active |
| US8517597B2 | Valve switch modulation for reducing errors due oscillations of the inlet fluid of a pump system | Physics | 11 | Active |
| US7820980B2 | High speed combination multi-mode ionization source for mass spectrometers | Electricity | 11 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.