Honeywell Limited
3,667Patents
42Active
3,667Granted
48Portfolio score
Filing activity: Jan 11, 1961 → Oct 20, 2021
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6587108B1 | Multivariable process matrix display and methods regarding same | Emerging Cross-Sectional Technologies | 430 | Expired |
| US5559358A | Opto-electro-mechanical device or filter, process for making, and sensors made therefrom | Physics | 409 | Expired |
| US4522690A | Electrochemical sensing of carbon monoxide | Physics | 401 | Expired |
| US5469150A | Sensor actuator bus system | Emerging Cross-Sectional Technologies | 385 | Expired |
| US5836750A | Electrostatically actuated mesopump having a plurality of elementary cells | Mechanical Engineering; Lighting; Heating | 377 | Expired |
| US6456438B1 | Variable immersion vignetting display | Physics | 376 | Expired |
| US5550373A | Fabry-Perot micro filter-detector | Physics | 359 | Expired |
| US5032007A | Apparatus and method for an electronically controlled color filter for use in information display applications | Physics | 356 | Expired |
| US4353064A | Battery operated access control card | Physics | 354 | Expired |
| US4885694A | Automated building control design system | Emerging Cross-Sectional Technologies | 341 | Expired |
| US4713753A | Secure data processing system architecture with format control | Physics | 331 | Expired |
| US6098893A | Comfort control system incorporating weather forecast data and a method for operating such a system | Mechanical Engineering; Lighting; Heating | 320 | Expired |
| US5280894A | Fixture for backside wafer etching | Emerging Cross-Sectional Technologies | 315 | Expired |
| US5594563A | High resolution subtractive color projection system | Electricity | 305 | Expired |
| US5751388A | High efficiency polarized display | Physics | 297 | Expired |
| US5361212A | Differential GPS landing assistance system | Physics | 294 | Expired |
| US5223776A | Six-degree virtual pivot controller | Emerging Cross-Sectional Technologies | 291 | Expired |
| US4855822A | Human engineered remote driving system | Electricity | 289 | Expired |
| US6577323B1 | Multivariable process trend display and methods regarding same | Emerging Cross-Sectional Technologies | 284 | Expired |
| US5555927A | Thermostat system having an optimized temperature recovery ramp rate | Physics | 282 | Expired |
| US6522266B1 | Navigation system, method and software for foot travel | Physics | 277 | Expired |
| US5611484A | Thermostat with selectable temperature sensor inputs | Physics | 255 | Expired |
| US4287809A | Helmet-mounted sighting system | Electricity | 254 | Expired |
| US4377324A | Graded index Fabry-Perot optical filter device | Physics | 251 | Expired |
| US5193143A | Problem state monitoring | Emerging Cross-Sectional Technologies | 250 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.