Metricom, Inc.
28Patents
0Active
28Granted
38Portfolio score
Filing activity: Aug 24, 1987 → Jan 14, 2000
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5479176A | Multiple-element driven array antenna and phasing method | Electricity | 309 | Expired |
| US5636216A | Method for translating internet protocol addresses to other distributed network addressing schemes | Electricity | 293 | Expired |
| US5115433A | Method and system for routing packets in a packet communication network | Electricity | 272 | Expired |
| US4939726A | Method for routing packets in a packet communication network | Electricity | 266 | Expired |
| US5570084A | Method of loose source routing over disparate network types in a packet communication network | Electricity | 239 | Expired |
| US5488608A | Method and system for routing packets in a packet communication network using locally constructed routing tables | Electricity | 222 | Expired |
| US5479400A | Transceiver sharing between access and backhaul in a wireless digital communication system | Electricity | 180 | Expired |
| US5130987A | Method for synchronizing a wide area network without global synchronizing | Electricity | 156 | Expired |
| US5079768A | Method for frequency sharing in frequency hopping communications network | Emerging Cross-Sectional Technologies | 156 | Expired |
| US5007052A | Method for routing packets by squelched flooding | Electricity | 145 | Expired |
| US5703602A | Portable RF antenna | Electricity | 105 | Expired |
| US5406249A | Method and structure for coupling power-line carrier current signals using common-mode coupling | Electricity | 96 | Expired |
| US5515369A | Method for frequency sharing and frequency punchout in frequency hopping communications network | Electricity | 93 | Expired |
| US5465398A | Automatic power level control of a packet communication link | Electricity | 90 | Expired |
| US5903566A | Method for distributing program code to intelligent nodes in a wireless mesh data communication network | Electricity | 86 | Expired |
| US5400338A | Parasitic adoption of coordinate-based addressing by roaming node | Electricity | 74 | Expired |
| US6298053A | Method and apparatus for connection handoff between connected radios | Electricity | 73 | Expired |
| US5774344A | RF shield for circuit card having a solid first flange | Electricity | 69 | Expired |
| US5818828A | Hybrid multiple access protocol for wireless frequency hopping microcells with adaptive backhaul and heartbeat | Electricity | 63 | Expired |
| US5453977A | Method for network configuration via third party query | Electricity | 55 | Expired |
| US5243536A | Method and apparatus for measuring volt-amps reactive power using synthesized voltage phase shift | Physics | 53 | Expired |
| US4939451A | Wide dynamic range a.c. current sensor | Physics | 46 | Expired |
| US5664194A | Method for autonomously transferring code to a computer without accessing local memory by the central processing unit | Physics | 45 | Expired |
| US5485393A | Method and apparatus for measuring electrical parameters using a differentiating current sensor and a digital integrator | Physics | 45 | Expired |
| US5223790A | Current sensor using current transformer with sintered primary | Electricity | 35 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.