CPC Main Group
E99Z 99/00 Subject matter not otherwise provided for in this section
Top Applicants
Top 10 applicants by patent filingsfor 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