Assignee
ECHELON SYSTEMS
US15 patents
Top patents by PatentIndex Score
US4969147ANov 6, 1990
Network and intelligent cell for providing sensing, bidirectional communications and control
ECHELON SYSTEMS156 citations98
US4955018ASep 4, 1990
Protocol for network having plurality of intelligent cells
ECHELON SYSTEMS190 citations98
US4918690AApr 17, 1990
Network and intelligent cell for providing sensing, bidirectional communications and control
ECHELON SYSTEMS602 citations98
US5513324AApr 30, 1996
Method and apparatus using network variables in a multi-node network
ECHELON SYSTEMS179 citations97
US5297143AMar 22, 1994
Network communication protocol including a reliable multicasting technique
ECHELON SYSTEMS282 citations97
US5018138AMay 21, 1991
Protocol for network having a plurality of intelligent cells
ECHELON SYSTEMS131 citations97
US4947484AAug 7, 1990
Protocol for network having a plurality of intelligent cells
ECHELON SYSTEMS137 citations97
US4941143AJul 10, 1990
Protocol for network having a plurality of intelligent cells
ECHELON SYSTEMS125 citations97
US5319641AJun 7, 1994
Multiaccess carrier sensing network communication protocol with priority messages
ECHELON SYSTEMS129 citations96
US4969146ANov 6, 1990
Protocol for network having a plurality of intelligent cells
ECHELON SYSTEMS117 citations96
US5148144ASep 15, 1992
Data communication network providing power and message information
ECHELON SYSTEMS338 citations95
US4939728AJul 3, 1990
Network and intelligent cell for providing sensing bidirectional communications and control
ECHELON SYSTEMS100 citations95
US5146471ASep 8, 1992
Correlator for spread spectrum communications systems
ECHELON SYSTEMS105 citations93
US5029180AJul 2, 1991
Transceiver providing selectable frequencies and spreading sequences
ECHELON SYSTEMS85 citations93
US4979183ADec 18, 1990
Transceiver employing direct sequence spread spectrum techniques
ECHELON SYSTEMS126 citations88