MILTON ROY, LLC
51Patents
9Active
51Granted
40Portfolio score
Filing activity: Jul 29, 1974 → Jul 15, 2022 · 4 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3985467A | Constant pressure pump | Mechanical Engineering; Lighting; Heating | 147 | Expired |
| US4966458A | Optical system for a multidetector array spectrograph | Physics | 54 | Expired |
| US4747687A | Ball cell windows for spectrophotometers | Physics | 52 | Expired |
| US4967936A | Beverage dispenser | Performing Operations; Transporting | 43 | Expired |
| US4152099A | Magnetically coupled pump and impeller assembly therefor | Emerging Cross-Sectional Technologies | 39 | Expired |
| US4457846A | Liquid chromatography methods and devices | Physics | 34 | Expired |
| US6129110A | Fluid level management system | Emerging Cross-Sectional Technologies | 24 | Expired |
| US3935463A | Spectrophotometer | Physics | 21 | Expired |
| US5253986A | Impeller-type pump system | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US4625197A | Logarithmic analog to digital converter | Electricity | 20 | Expired |
| US4753581A | Constant suction pump for high performance liquid chromatography | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US4478715A | Column retainer | Performing Operations; Transporting | 16 | Expired |
| US4475813A | Divergent light optical systems for liquid chromatography | Physics | 16 | Expired |
| US4672322A | High sensitivity conductivity detector | Physics | 15 | Expired |
| US3997049A | Enclosure for hard and soft contact lenses | Emerging Cross-Sectional Technologies | 15 | Expired |
| USD757825S1 | Metering pump | General | 15 | Active |
| US4897023A | Liquid pump assembly | Electricity | 14 | Expired |
| USD249264S | Pump cover | General | 14 | Expired |
| US7871520B2 | High-temperature membrane distillation | Emerging Cross-Sectional Technologies | 14 | Active |
| US4284487A | Oxygen analyzer probe | Electricity | 14 | Expired |
| US5201636A | Stator current based malfunction detecting system in a variable flow delivery pump | Mechanical Engineering; Lighting; Heating | 13 | Expired |
| US4875773A | Optical system for a multidetector array spectrograph | Physics | 12 | Expired |
| US6094970A | Leak detector for a pump | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| US4130374A | Centrifugal pump assembly | Mechanical Engineering; Lighting; Heating | 12 | Expired |
| USD283425S | Pump housing | General | 12 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.