Down pipes; Special clamping means therefor (clamping pipes in general F16B, F16L)

Introduced: September 1968

Title

Titles differ between systems:

IPC: Down pipes; Special clamping means therefor

CPC: Down pipes; Special clamping means therefor (clamping pipes in general F16B, F16L)

Full Title

Full titles differ between systems:

IPC:

Special arrangements or devices in connection with roof coverings; Roof drainage > Roof drainage; Drainage fittings in flat roofs > Down pipes; Special clamping means therefor

CPC:

Special arrangements or devices in connection with roof coverings; Roof drainage (ventilation tiles E04D1/30; ventilation slabs E04D3/40; internal channels E04F17/00) > Roof drainage; Drainage fittings in flat roofs, (gutter tiles E04D1/30; gutter slabs E04D3/40; street gullies E03F5/04) > Down pipes; Special clamping means therefor (clamping pipes in general F16B, F16L)

Of 13 combined children, 0 exist in both systems.

13 codes are CPC-only extensions.

Note: 13 CPC extensions are marked as secondary classification only.

Child Classifications

Navigate with arrow keys, Enter to open

E04D 2013/0806 2nd only +1 CPC CPC only CPC only
E04D 2013/082 2nd only CPC only CPC only
E04D 2013/0826 2nd only CPC only CPC only
E04D 2013/0833 2nd only CPC only CPC only
E04D 2013/084 2nd only CPC only CPC only
E04D 2013/0846 2nd only CPC only CPC only
E04D 2013/0853 2nd only CPC only CPC only
E04D 2013/086 2nd only CPC only CPC only
E04D 2013/0866 2nd only CPC only CPC only
E04D 2013/0873 2nd only CPC only CPC only
E04D 2013/088 2nd only CPC only CPC only
E04D 2013/0886 2nd only CPC only CPC only
E04D 2013/0893 2nd only CPC only CPC only

Top Applicants

Top Applicants (IPC)

Class E04,2013–2023, worldwide · Source: EPO PATSTAT

CHINA CONSTRUCTION EIGHTH ENGINEERING DIVISION 6,575
ZHEJIANG YASHA DECORATION COMPANY 4,488
SGCC(STATE GRID CORPORATION OF CHINA) 4,427
CHINA CONSTRUCTION SECOND ENGINEERING BUREAU 4,352
CHINA MCC17 GROUP COMPANY 3,122
GOLD MANTIS FINE DECORATION TECHNOLOGY (SUZHOU) COMPANY 2,605
SHENYANG JIANZHU UNIVERSITY 2,420
CHINA CONSTRUCTION SEVENTH ENGINEERING DIVISION COMPANY 2,284
CHINA CONSTRUCTION FIFTH ENGINEERING DIVISION CORPORATION 2,008
CHINA CONSTRUCTION FIRST BUILDING (GROUP) CORPORATION 1,967

Top Applicants (CPC)

Class E04,2013–2023, worldwide · Source: EPO PATSTAT

CHINA CONSTRUCTION EIGHTH ENGINEERING DIVISION 1,675
CHINA MCC17 GROUP COMPANY 1,593
ZHEJIANG YASHA DECORATION COMPANY 1,551
SGCC(STATE GRID CORPORATION OF CHINA) 1,297
GOLD MANTIS FINE DECORATION TECHNOLOGY (SUZHOU) COMPANY 1,212
SHENYANG JIANZHU UNIVERSITY 926
VAELINGE INNOVATION SE 901
CHINA MCC5 GROUP CORPORATION 894
VKR HOLDING DK 854
SHANGHAI BAOYE GROUP CORPORATION 753