Derwent World Patents Index (DWPI) - EPI ... - Thomson Reuters
Derwent World Patents Index (DWPI) - EPI ... - Thomson Reuters
Derwent World Patents Index (DWPI) - EPI ... - Thomson Reuters
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1018 Subject <strong>Index</strong><br />
E<br />
EAROM - see ROMs, electrically erasable<br />
U13-C04B2<br />
Earphone V06-V04A4<br />
circuits V06-V02S<br />
lead-throughs V06-V02E<br />
V06-V02F<br />
manufacture V06-V03A<br />
transducer types - see Acoustoelectric<br />
transducer V06-V01<br />
Earth drilling X25-E<br />
control T06-D12<br />
X25-E01<br />
telemetry W05-D07H<br />
Earth leakage<br />
circuit breaker, moulded case X13-D05<br />
measurement S01-G04A5<br />
protection circuit X13-C01B<br />
Earthquake prediction S03-C05<br />
E-book T01-N01D5<br />
software T01-J30E<br />
hardware T01-M06A1C<br />
ECG S05-D01A1<br />
Echo reduction<br />
line systems, echo canceller W02-C01C1B<br />
line systems, filter-based W02-C01C1A<br />
radio systems W02-C03E2<br />
telephone systems, general W01-C08E<br />
ECL RAMs - see RAMs, static, with<br />
bipolar transitors U14-A03A1<br />
ECM X24-F01A<br />
E-commerce T01-N01A2<br />
advertising T01-N01A2C<br />
auction T01-N01A2A<br />
e-procurement T01-N01A2B<br />
financial brokerage T01-N01A2F<br />
marketing T01-N01A2C<br />
mobile commerce W01-C05B6<br />
online shop T01-N01A2A<br />
shipping support T01-N01A2E<br />
value chain service provider T01-N01AE<br />
Eddy current flaw detection S03-E11A<br />
Edge correction/crispening, video signal<br />
Edge recognition, pattern recognition<br />
W04-P01E3<br />
T04-D03B<br />
EDGE telephone<br />
subscriber set W01-C01D3<br />
W01-C01G6G<br />
system aspects W01-B05A1A<br />
W01-C05B3J<br />
W02-C03C1A<br />
Edge-defined film fed growth,<br />
semiconductor U11-B04<br />
Edge-lighting for displays X26-U04A2<br />
EDID (TV / video display) W03-A08S1<br />
Editing, recording<br />
audio/video W04-H05E<br />
audio/video, automatic W04-H05E5<br />
audio/video, user-controlled W04-H05E1<br />
general T03-K01<br />
software editor T01-J30F<br />
EDM X24-F01B<br />
Educational equipment W04-W<br />
computer aided instruction, (CAI) T01-J30A<br />
T01-N01B3<br />
computer equipment T01-J30A<br />
T01-N01B3<br />
computerised marking T01-J30A<br />
T01-N01B3A<br />
demonstration W04-W07C<br />
demonstration of electrical circuits and<br />
equipment S01-H09<br />
medical procedures S05-P<br />
question and answer appts. W04-W01<br />
training simulator W04-W07A<br />
tuition support systems T01-J30A<br />
T01-N01B3<br />
EEG S05-D01A1<br />
EEPROM - see ROM, electrically erasable<br />
Effects, special (audio/musical) W04-U03E<br />
Efficiency, mechanical, measuring S02-F02<br />
EHT power supply for TV CRT W03-A07C<br />
W03-A08A1C<br />
EKG S05-D01A1<br />
Elasticity measurement of structures S02-J10<br />
ELCB X13-D05<br />
Electret - see Variable capacitor,<br />
non-mechanical V01-B02B<br />
Electrets V01-B02B5<br />
Electric bar heater X27-E01A2<br />
X25-B01D<br />
Electric bicycle X21-A01C<br />
Electric blanket X27-E02<br />
X25-B01C3A<br />
Electric cooker X27-C02<br />
X25-B01C1B<br />
Electric current application, medical S05-A04<br />
Electric depilator X27-A02A3B<br />
Electric discharge heating X25-B03<br />
arc X25-B03B<br />
electrode X25-B03A<br />
glow X25-B03B<br />
power supply X25-B03X<br />
Electric energy<br />
storage X12-H06<br />
X16-L<br />
storage to balance power network load<br />
X12-H01A7<br />
X16-L<br />
storage, flywheel X12-H06<br />
X16-L<br />
storage, heater X16-L01<br />
X27-E01A4<br />
storage, superconducting coil X12-C05<br />
X12-H06<br />
X16-L<br />
Electric fan X25-L04<br />
air conditioning X25-L04<br />
X27-E01B1<br />
Electric fan heater X27-E01A2
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