SILENTIUM LTD.
19Patents
16Active
19Granted
59Portfolio score
Filing activity: Jul 22, 1998 → Nov 2, 2023 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7317801B1 | Active acoustic noise reduction system | Physics | 33 | Expired |
| US8855329B2 | Quiet fan incorporating active noise control (ANC) | Emerging Cross-Sectional Technologies | 20 | Active |
| US7783055B2 | Soundproof climate controlled rack | Physics | 15 | Active |
| US9431001B2 | Device, system and method of noise control | Physics | 13 | Active |
| US7869607B2 | Quiet active fan for servers chassis | Physics | 8 | Active |
| US7853024B2 | Active noise control system and method | Physics | 7 | Expired |
| US9928824B2 | Apparatus, system and method of controlling noise within a noise-controlled volume | Physics | 6 | Active |
| US11034211B2 | Apparatus, system and method of active noise control (ANC) based on heating, ventilation and air conditioning (HVAC) configuration | Physics | 4 | Active |
| US8630424B2 | Active noise control system and method | Physics | 2 | Active |
| US11385859B2 | Apparatus, system and method of sound control | Electricity | 2 | Active |
| US11842121B2 | Apparatus, system and method of sound control | Electricity | 1 | Active |
| US11482205B2 | Apparatus, system and method of active acoustic control (AAC) at an open acoustic headphone | Electricity | 1 | Active |
| US12271657B2 | Apparatus, system and method of sound control | Electricity | 0 | Active |
| US11935513B2 | Apparatus, system, and method of Active Acoustic Control (AAC) | Electricity | 0 | Active |
| US12112736B2 | Apparatus, system, and method of neural-network (NN) based active acoustic control (AAC) | Physics | 0 | Active |
| US12070986B2 | Apparatus, system and method of active noise control (ANC) in a vehicle | Electricity | 0 | Active |
| US11451915B2 | Apparatus, system, and method of testing an acoustic device | Electricity | 0 | Active |
| US11863930B2 | Apparatus, system, and method of Acoustic Feedback (AFB) mitigation | Electricity | 0 | Active |
| US11354083B2 | Apparatus, system and method of sound control | General | 0 | Revoked |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.