Alcatel CIT
178Patents
0Active
178Granted
42Portfolio score
Filing activity: Mar 2, 1987 → Aug 3, 2000
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5062804A | Metal housing for an electrical connector | Electricity | 190 | Expired |
| US5229994A | Bridge for connecting an IEEE 802.3 local area network to an asynchronous time-division multiplex telecommunication network | Electricity | 107 | Expired |
| US5106273A | Vacuum pump for producing a clean molecular vacuum | Mechanical Engineering; Lighting; Heating | 83 | Expired |
| US6134220A | Method of adapting the air interface in a mobile radio system and corresponding base transceiver station, mobile station and transmission mode | Electricity | 72 | Expired |
| US5612805A | Add-drop optical spectrum-division multiplexer | Electricity | 71 | Expired |
| US5452450A | System of global update for time/language heterogeneous databases using a relational reference database and both request and database identifier files | Emerging Cross-Sectional Technologies | 62 | Expired |
| US5040177A | Access network for a cordless telephone service | Electricity | 60 | Expired |
| US5521915A | Synchronous digital channel cell assembly and disassembly device, synchronous digital channel switching center, and asynchronous digital channel switching center | Electricity | 57 | Expired |
| US5355240A | Optical communication link with correction of non-linear effects and optical signal processing method | Electricity | 56 | Expired |
| US4825349A | Emergency D.C. power supply with the emergency state being indicated by polarity reversal | Electricity | 55 | Expired |
| US5097503A | Electronic subscriber line connection circuit | Electricity | 54 | Expired |
| US5924034A | Cellular mobile radio system and base transceiver station and base station controller therefor | Electricity | 48 | Expired |
| US5123111A | Cellular radiotelephone system, a method of protecting the data base of a visitor location register against saturation | Electricity | 47 | Expired |
| US5012078A | IC card reader having lever that bends card onto IC contacts | Physics | 43 | Expired |
| US5289463A | Method of managing flows in a wideband integrated services digital telecommunications network | Electricity | 42 | Expired |
| US5252815A | Compact smart card reader with unitary case and connector cover | Physics | 42 | Expired |
| US5130978A | Method of managing traffic flows in a wideband integrated services digital network, and a network for implementing the method | Electricity | 41 | Expired |
| US5822315A | Air interface adapting method for a mobile radio system | Electricity | 40 | Expired |
| US4858068A | Electronic circuit housing | Electricity | 40 | Expired |
| US5373384A | Semiconductor light source with non-linear compensation means within a predistortion circuit | Electricity | 40 | Expired |
| US6456598B1 | Method of adapting the air interface in a mobile radio system and corresponding base transceiver station, mobile station and transmission mode | Electricity | 37 | Expired |
| US5060760A | Device for feeding grease to a plurality of bearings | Mechanical Engineering; Lighting; Heating | 37 | Expired |
| US5105337A | Housing for underwater electronic circuits | Electricity | 35 | Expired |
| US5224873A | Connector for a card containing an electronic circuit | Physics | 35 | Expired |
| US5355368A | Method for allocating time slots for transmission in a half-duplex time division multiple access point-to-multipoint bidirectional transmission network | Electricity | 35 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.