Field briefing
F21L · Lighting devices or systems thereof, being portable or specially adapted for…
Lighting devices or systems thereof, being portable or specially adapted for transportation. Patents classified in CPC F21L, part of Engines, machines, heating and lighting.
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.
Who works on this, where, and with whom
Every company that files in this field, placed in its country. Lines join companies that file together or share inventors; hover one to see why. Pick a company to see its patents, people and news.
Connected industries
Other industries that share patents, companies or citations with Lighting devices or systems thereof, being portable or specially adapted for….
Newest patents in F21L · Lighting devices or systems thereof, being portable or specially adapted for…
2 patents imported from the European Patent Office; newest published 2020-12-29; most active companies: Jiangsu Road Railway Culture Media Co Ltd, Zhejiang Zhenghui Lighting Co Ltd.
- Novel portable explosion-proof lamp CN212252150U, published 2020-12-29
- Cold light source CN205842308U, published 2016-12-28
Most active companies
Counted over the newest 2 imported patents in this industry.