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PIRELLI CAVI SPA

Overview
  • Total Patents
    2,102
About

PIRELLI CAVI SPA has a total of 2,102 patent applications. Its first patent ever was published in 1973. It filed its patents most often in Italy, United States and Brazil. Its main competitors in its focus markets optics, electrical machinery and energy and machines are SOC CAVI PIRELLI S P A, PIRELLI CAVI E SISTEMI SPA and PIRELLI GENERAL PLC.

Patent filings per year

Chart showing PIRELLI CAVI SPAs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Grasso Giorgio 248
#2 Righetti Aldo 155
#3 Meli Fausto 117
#4 Priaroggia Paolo Gazzana 112
#5 Vallauri Ubaldo 110
#6 Portas Francesco 101
#7 Fontana Flavio 100
#8 Bosisio Claudio 83
#9 Lanfranconi Gianmario 77
#10 Bortolin Bruno 70

Latest patents

Publication Filing date Title
NZ527481A Optical system and method having low loss and non- linear effects
EP1011008A1 Polarization independent all optical switch
EP1004908A1 Modular filter for extracting optical signals from, and/or inserting them into, multiple-wavelength optical telecommunications systems
NZ336468A High voltage DC cable, insulating fluid contained by tape layer on inner surface of metal sheath
NZ336194A Optical fibre with non-linearity coefficient < 2 /W Km and graded refractive index
NZ335916A Filler for optical cable being a polyolefin made from monomeric units with one unsaturation distributed randomly along chain
NZ333547A Magnetically actuated optical fibre switch, movable fibre has ferromagnetic component attached to it
NZ333528A Bidirectional optical transmission system for dense interleaved wavelength division multiplexing using Bragg filtering
NZ333526A Interferometer, for measurements of optical properties in bulk samples, with measurement arm and reference arm
NZ500719A Predistorting network for external optical modulator
US5915061A Apparatus and method for housing optical components
US5898812A Apparatus and method for housing high heat emission electro-optical components
NZ334435A Protected optical fibre, fibres loose fit within casing
NZ314330A Selective compensation of optical signals for chromatic dispersion
US5850491A Double-stage acousto-optical waveguide device, having polarization-independent response
CA2196121A1 Node in an optical signal transmission network, and method of retaining the communication on the occurrence of a failure
CN1155739A High power superconducting cable
US5809196A Dispersion-shifted optical fibers for wavelength division multiplexing
US5910852A Modulated and depolarized optical signal transmission system
CN1155795A Method and device for optically recovering synchronism of optical digital signal