TDF
🏢 View company profile →34Patents
24Active
34Granted
50Portfolio score
Filing activity: Mar 7, 1990 → Apr 7, 2022 · 8 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7609787B2 | Reception of a signal modulated according to a multilevel coding technique | Electricity | 56 | Expired |
| US5513809A | Cryogenic vibratory mill apparatus | Emerging Cross-Sectional Technologies | 19 | Expired |
| US7609611B1 | Method for transmitting an offset modulated biorthogonal multicarrier signal (BFDM/OM) | Electricity | 14 | Expired |
| US5085278A | Foam proportioning inductor apparatus | Performing Operations; Transporting | 14 | Expired |
| US5069073A | Apparatus for diffusing high pressure fluid flow | Physics | 11 | Expired |
| US5603882A | Piercing method and apparatus | Emerging Cross-Sectional Technologies | 7 | Expired |
| US8201332B2 | Method for reinforcing a metal tubular structure | Emerging Cross-Sectional Technologies | 6 | Active |
| US7386122B1 | Method for proving the authenticity or integrity of a message by means of a public exponent equal to the power of two | Electricity | 4 | Expired |
| US8094732B2 | Method and device for estimating a multicarrier signal propagation channel | Electricity | 4 | Active |
| US7801221B2 | Method and system for measuring video image degradations introduced by an encoding system with throughput reduction | Electricity | 3 | Active |
| US7266197B1 | Method, system, device for proving the authenticity of an entity and/or the integrity and/or the authenticity of a message using specific prime factors | Electricity | 3 | Expired |
| US7991092B2 | Method for receiving a multicarrier signal using at least two estimates of a propagation channel and corresponding reception device | Electricity | 3 | Active |
| US8769078B2 | Metrology device for the automatic monitoring of a digital signal broadcast network and a broadcast network comprising one such metrology device | Electricity | 2 | Active |
| US11444725B2 | Transmission of redundancy data in a hybrid network system | Electricity | 1 | Active |
| US10903573B2 | Antenna with ferromagnetic rods wound and coupled together | Electricity | 1 | Active |
| US7623579B2 | Method of demodulating OFDM type signals in the presence of strong co-channel interference signals | Electricity | 1 | Expired |
| US11258841B2 | Method for the transmission of audio contents in a hybrid receiver, system, receiver and program associated with the method | Electricity | 1 | Active |
| US11043739B2 | Collinear antenna structure with independent accesses | Electricity | 1 | Active |
| US10797398B2 | Surface-wave antenna, antenna array and use of an antenna or an antenna array | Electricity | 0 | Active |
| US12401839B2 | Methods and devices for inserting an event into a transport flow, for monitoring, managing and receiving the transport flow, and computer program all corresponding thereto | Electricity | 0 | Active |
| US11172223B2 | Methods for encoding decoding of a data flow representing of an omnidirectional video | Electricity | 0 | Active |
| US8683069B2 | Method for broadcasting a data stream based on time lag in a network including a plurality of transmitters, computer program product, head-end system for implementing said method | Electricity | 0 | Active |
| US11889531B2 | Method for offloading control data in a mobile network | Electricity | 0 | Active |
| US7991075B2 | Radio broadcasting method and transmitter using pre-filtering and corresponding signal | Electricity | 0 | Active |
| US10341084B2 | Method and device for synchronizing data, method and device for generating a flow of data, and corresponding computer programs | Electricity | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.