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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1252 Appendix 3: IPC to <strong>EPI</strong> manual code approximate coverage<br />
H03K-005/26 U22-D02E<br />
U22-D02C<br />
U22-D02G<br />
H03K-007 U22-E<br />
H03K-007/02 U22-E01E<br />
H03K-007/04 U22-E01C<br />
H03K-007/06 U22-E01G<br />
H03K-007/08 U22-E01A<br />
H03K-009 U22-E05A<br />
H03K-011 U22-E05C<br />
H03K-017 U21-B<br />
H03K-017/04,06,<br />
10,12 U21-B02D<br />
H03K-017/08 U21-B02E<br />
H03K-017/14 U21-B02G<br />
H03K-017/16 U21-B02F<br />
H03K-017/20,22 U21-B02B<br />
H03K-017/28 U21-B02A1<br />
H03K-017/296 U21-B02A2<br />
H03K-017/30,13 U21-B02A3<br />
H03K-017/57 U21-B01<br />
H03K-017/58,60,74 U21-B01A<br />
H03K-017/687 U21-B01B<br />
H03K-017/723 U21-B01D1<br />
H03K-017/72-735 U21-B01C<br />
H03K-017/78 U21-B01E<br />
H03K-017/945,96 U21-B02C<br />
H03K-017/945-955 U21-B02C1<br />
H03K-017/965-98 U21-B02C2<br />
H03K-019 U21-C<br />
H03K-019/003 U21-C03A<br />
H03K-019/007 U21-C03C<br />
H03K-019/0175 U21-C02<br />
H03K-019/0175,018,<br />
185 U21-C02A<br />
H03K-019/02 U21-C01<br />
H03K-019/04,06,16,<br />
17,18,185 U21-C01X<br />
H03K-019/08 U21-C01C<br />
H03K-019/082,10,12 U21-C01A<br />
H03K-019/084,09 U21-C01A1<br />
H03K-019/086 U21-C01A2<br />
H03K-019/088 U21-C01A3<br />
H03K-019/091 U21-C01A4<br />
H03K-019/094 U21-C01B<br />
H03K-019/0944 U21-C01B5<br />
H03K-019/0944,0948 U21-C01B3<br />
H03K-019/0952,0956 U21-C01B1<br />
H03K-019/10 U21-C01R<br />
H03K-019/14 U21-C01G<br />
H03K-019/173,177 U21-C01E<br />
H03K-019/177 U13-C04C<br />
H03K-019/195 U21-C01F<br />
H03K-019/20 U21-C03B<br />
H03K-019/23 U21-C03B2<br />
H03K-021/02,08 U21-D01<br />
H03K-021/38 U21-D02A<br />
H03K-021/38,40 U21-D02<br />
H03K-021/40 U21-D02B<br />
H03K-021-023 U21-D09<br />
H03K-021-029 U21-D<br />
U23-D01B1<br />
H03K-023 U21-D05<br />
U21-D06<br />
H03K-023/03,74 U21-D06B<br />
H03K-023/06,28,46,<br />
76,82,84 U21-D06X<br />
H03K-023/23,80 U21-D06A<br />
H03K-023/40 U21-D03<br />
H03K-023/44,52,60 U21-D06A1<br />
H03K-023/54 U21-D03A<br />
H03K-023/58 U21-D04<br />
H03K-023/62 U21-D05A<br />
H03K-023/64 U21-D05B<br />
H03K-023/66 U21-D05B1<br />
H03K-023/68 U21-D05B2B<br />
U21-D05B3<br />
H03K-023/72 U21-D05B2A<br />
H03K-023/78 U21-D06A3<br />
H03L U22<br />
U23<br />
H03L-001/02-04 U23-E05<br />
H03L-001-005 U22-B<br />
U23-E<br />
H03L-003 U22-B09<br />
U23-E<br />
H03L-005 U23-E01A<br />
H03L-007 U22-H<br />
U23-D<br />
H03L-007/00-04 U23-D02<br />
H03L-007/06-07 U23-D01<br />
H03L-007/08-083 U23-D01A<br />
H03L-007/085-093 U23-D01A3<br />
H03L-007/095 U23-D01A5<br />
H03L-007/099 U23-D01A1<br />
H03L-007/10-14 U23-D01F<br />
H03L-007/16-23 U23-D01B<br />
H03L-007/193 U23-D01B1<br />
H03L-009 U23-D02<br />
H03M U21-A<br />
H03M-001 U21-A02<br />
U21-A03<br />
W05-D01<br />
H03M-001/02 U21-A03H<br />
H03M-001/06,08 U21-A02B7G<br />
U21-A03F7G<br />
H03M-001/08,10,68 U21-A02B<br />
H03M-001/10 U21-A02B2<br />
U21-A03F1<br />
H03M-001/22,28,30 U21-A03J9<br />
H03M-001/24 U21-A03J1<br />
H03M-001/36 U21-A03C<br />
H03M-001/38 U21-A03B<br />
H03M-001/50,60 U21-A03A<br />
H03M-001/66 U21-A02A<br />
H03M-001/76,68 U21-A02A9<br />
H03M-001/78 U21-A02A2<br />
H03M-001/80 U21-A02A1<br />
H03M-001/82,86 U21-A02A3<br />
H03M-003 U21-A04<br />
H03M-003/02 U21-A04A<br />
H03M-003/04 U21-A04B<br />
H03M-005/00-22 U21-A05C<br />
W01-A02<br />
H03M-007 U21-A05A<br />
W01-A02A<br />
H03M-007/02-28 U21-A05A1<br />
H03M-007/30 U21-A05A2<br />
H03M-007/40 U21-A05A2A<br />
H03M-007/46 U21-A05A2B<br />
H03M-009 U21-A05B<br />
H03M-011 U21-A05D<br />
H03M-013 U21-A06<br />
W01-A01B<br />
W01-A01B4<br />
H03M-013/05-21 W01-A01B1
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