LORD Corporation
707Patents
178Active
707Granted
51Portfolio score
Filing activity: Mar 21, 1974 → Dec 22, 2022 · 65 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5284330A | Magnetorheological fluid devices | Electricity | 261 | Expired |
| US5277281A | Magnetorheological fluid dampers | Mechanical Engineering; Lighting; Heating | 246 | Expired |
| US6373465B1 | Magnetically-controllable, semi-active haptic interface system and apparatus | Electricity | 225 | Expired |
| US5396973A | Variable shock absorber with integrated controller, actuator and sensors | Mechanical Engineering; Lighting; Heating | 192 | Expired |
| US5382373A | Magnetorheological materials based on alloy particles | Electricity | 188 | Expired |
| US5947238A | Passive magnetorheological fluid device with excursion dependent characteristic | Mechanical Engineering; Lighting; Heating | 169 | Expired |
| US6131709A | Adjustable valve and vibration damper utilizing same | Emerging Cross-Sectional Technologies | 151 | Expired |
| US4491207A | Fluid control means for vehicle suspension system | Performing Operations; Transporting | 138 | Expired |
| US5492312A | Multi-degree of freedom magnetorheological devices and system for using same | Performing Operations; Transporting | 134 | Expired |
| US5878851A | Controllable vibration apparatus | Mechanical Engineering; Lighting; Heating | 133 | Expired |
| US6151930A | Washing machine having a controllable field responsive damper | Mechanical Engineering; Lighting; Heating | 125 | Expired |
| US6283859A | Magnetically-controllable, active haptic interface system and apparatus | Performing Operations; Transporting | 123 | Expired |
| US5993358A | Controllable platform suspension system for treadmill decks and the like and devices therefor | Human Necessities | 121 | Expired |
| US4473906A | Active acoustic attenuator | Emerging Cross-Sectional Technologies | 121 | Expired |
| US5711746A | Portable controllable fluid rehabilitation devices | Emerging Cross-Sectional Technologies | 115 | Expired |
| US5390121A | Banded on-off control method for semi-active dampers | Performing Operations; Transporting | 110 | Expired |
| US4887699A | Vibration attenuating method utilizing continuously variable semiactive damper | Performing Operations; Transporting | 110 | Expired |
| US5816372A | Magnetorheological fluid devices and process of controlling force in exercise equipment utilizing same | Emerging Cross-Sectional Technologies | 109 | Expired |
| US6016075A | Class-D amplifier input structure | Electricity | 107 | Expired |
| US4896754A | Electrorheological fluid force transmission and conversion device | Electricity | 107 | Expired |
| US6095486A | Two-way magnetorheological fluid valve assembly and devices utilizing same | Emerging Cross-Sectional Technologies | 106 | Expired |
| US6343127B1 | Active noise control system for closed spaces such as aircraft cabin | Physics | 103 | Expired |
| US5645752A | Thixotropic magnetorheological materials | Electricity | 103 | Expired |
| US5237933A | Service-life, low-profile, retrofittable, elastomeric mounting for three-piece, railroad-car trucks | Performing Operations; Transporting | 101 | Expired |
| US4204284A | Joint prosthesis with contoured pin | Emerging Cross-Sectional Technologies | 101 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.