DIFF Subclass Not Allocatable
E99Z SUBJECT MATTER NOT OTHERWISE PROVIDED FOR IN THIS SECTION
Introduced: January 2006
Description
E99Z is a residual classification for inventions and technical subject matter related to fixed constructions that do not fit within the established IPC subclasses of Section E. It serves as a catch-all category for novel or unconventional technologies in civil engineering, building, and construction that lack a more specific classification home. Examiners should exhaust all relevant primary and subordinate classes in Section E before assigning E99Z.
IPC and CPC are identically structured here. All 1 subcodes exist in both systems.
IPC defines codes here since 2006.
Child Classifications
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- E99Z 99/00 Subject matter not otherwise provided for in this section since 2006 IPC+CPC Available in IPC and CPC
Top Applicants
Top Applicants (IPC)
Class E99,2013–2023, worldwide · Source: EPO PATSTAT
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY CN 1
- B BOND BEYOND TECHNOLOGY LLC 1
- BIBANGDE CHAOYUE TECHNOLOGY CO., LTD. 1
- PIENAAR, DANIE ZA 1
- GENERAL D'ASPIRAZIONE DI BIANCHI CLAUDIA & C. S.A.S. IT 1
- ELTOM, SAMIR CA 1
- NAKAGAWA KAZUYA JP 1
- DISA HOLDING ENERGETICO, S.L.U. ES 1
- B Bond Beyond Technology Ltd AE 1
- ANGLO AMERICAN TECHNICAL & SUSTAINABILITY SERVICES GB 1
Top Applicants (CPC)
Class E99,2013–2023, worldwide · Source: EPO PATSTAT
- Oy F Emet Ab FI 2
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY 1
- CHINA UNIVERSITY OF MINING AND TECHNOLOGY CN 1