Field briefing
G09B · Educational or demonstration appliances
Educational or demonstration appliances; appliances for teaching, or communicating with, the blind, deaf or mute; models; planetaria; globes; maps; diagrams. Patents classified in CPC G09B, part of Computing, measuring and physics.
Dates, owners, statuses and filings come from the published records. Derived views are counted from them. Highlighted text is a plain-English AI reading, written from a patent's title and abstract. Legal statuses and expiry dates are estimates, not legal advice.
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Newest patents in G09B · Educational or demonstration appliances
5 patents imported from the European Patent Office; newest published 2026-09-21; most active companies: Choi YU Seok, HAN Ling, Huaneng Qingneng Tongyu Electric Power Co Ltd.
- Halbach array PL451514A1, published 2026-09-21
- Novel test tower for simulating lightning stroke line CN122337081A, published 2026-07-03
- BODILY SENSATION TYPE WEATHER IMPLEMENTING APPARATUS KR20250079772A, published 2025-06-04
- Coil weight reduction device realized by spark gap discharge CN119339605A, published 2025-01-21
- VR education interaction equipment CN110619769A, published 2019-12-27
Most active companies
Counted over the newest 5 imported patents in this industry.
- Choi YU Seok 1 patent
- HAN Ling 1 patent
- Huaneng Qingneng Tongyu Electric Power Co Ltd 1 patent
- Science AND Technology Development Co Ltd OF Jilin Northeast Electric Power Univ 1 patent
- Shang Shiqun 1 patent
- Univ Lodzki 1 patent
- Zhejiang Business College 1 patent