Assignee
ECHELON SYSTEMS
US·15 granted patents·2,802 citations·filing 1987–1994
Top patents by PatentIndex Score
15 records- 0198US4918690ANetwork and intelligent cell for providing sensing, bidirectional communications and controlECHELON SYSTEMS·Filed 1987·Granted Apr 17, 1990·602 cites·24 claims
- 0296US4969147ANetwork and intelligent cell for providing sensing, bidirectional communications and controlECHELON SYSTEMS·Filed 1988·Granted Nov 6, 1990·156 cites·11 claims
- 0395US4939728ANetwork and intelligent cell for providing sensing bidirectional communications and controlECHELON SYSTEMS·Filed 1988·Granted Jul 3, 1990·100 cites·6 claims
- 0494US5148144AData communication network providing power and message informationECHELON SYSTEMS·Filed 1991·Granted Sep 15, 1992·338 cites·14 claims
- 0594US4955018AProtocol for network having plurality of intelligent cellsECHELON SYSTEMS·Filed 1988·Granted Sep 4, 1990·190 cites·8 claims
- 0693US5319641AMultiaccess carrier sensing network communication protocol with priority messagesECHELON SYSTEMS·Filed 1990·Granted Jun 7, 1994·129 cites·48 claims
- 0793US5297143ANetwork communication protocol including a reliable multicasting techniqueECHELON SYSTEMS·Filed 1990·Granted Mar 22, 1994·282 cites·8 claims
- 0892US5513324AMethod and apparatus using network variables in a multi-node networkECHELON SYSTEMS·Filed 1994·Granted Apr 30, 1996·179 cites·36 claims
- 0991US5018138AProtocol for network having a plurality of intelligent cellsECHELON SYSTEMS·Filed 1988·Granted May 21, 1991·131 cites·3 claims
- 1091US4979183ATransceiver employing direct sequence spread spectrum techniquesECHELON SYSTEMS·Filed 1989·Granted Dec 18, 1990·126 cites·16 claims
- 1191US4947484AProtocol for network having a plurality of intelligent cellsECHELON SYSTEMS·Filed 1988·Granted Aug 7, 1990·137 cites·10 claims
- 1289US4969146AProtocol for network having a plurality of intelligent cellsECHELON SYSTEMS·Filed 1988·Granted Nov 6, 1990·117 cites·4 claims
- 1389US4941143AProtocol for network having a plurality of intelligent cellsECHELON SYSTEMS·Filed 1988·Granted Jul 10, 1990·125 cites·2 claims
- 1487US5146471ACorrelator for spread spectrum communications systemsECHELON SYSTEMS·Filed 1991·Granted Sep 8, 1992·105 cites·5 claims
- 1582US5029180ATransceiver providing selectable frequencies and spreading sequencesECHELON SYSTEMS·Filed 1990·Granted Jul 2, 1991·85 cites·11 claims
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