Field briefing
F03G · Spring, weight, inertia or like motors
Spring, weight, inertia or like motors; mechanical-power producing devices or mechanisms, not otherwise provided for or using energy sources not otherwise provided for. Patents classified in CPC F03G, 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
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Connected industries
Other industries that share patents, companies or citations with Spring, weight, inertia or like motors.
Newest patents in F03G · Spring, weight, inertia or like motors
6 patents imported from the European Patent Office; newest published 2026-09-10; most active companies: Bayerische Motoren Werke AG, Geng Yanzhou, Googol Holdings Co Ltd.
- Sicherheitssystem für einen Antriebsenergiespeicher eines Hybrid- oder Elektrofahrzeugs DE102025108875A1, published 2026-09-10
- ROBOTIC DEVICE AND METHOD FOR OPERATING SAME US20260251130A1, published 2026-08-27
- COIL ACTUATOR WITH ASYMMETRICAL MATERIAL COIL STRIPS US20260245787A1, published 2026-08-20
- Apparatus for Ionizing and Accelerating a Fluid CA3300821A1, published 2026-03-02
- WATER SUPPLY SYSTEM FOR CULTURING EEL KR20140147209A, published 2014-12-30
- Indoor motion power generation bicycle CN202605621U, published 2012-12-19
Most active companies
Counted over the newest 6 imported patents in this industry.
- Bayerische Motoren Werke AG 1 patent
- Geng Yanzhou 1 patent
- Googol Holdings Co Ltd 1 patent
- Sarantis Logothetisrandell 1 patent
- Toyota ENG & Mfg North America 1 patent
- Toyota Motor Co Ltd 1 patent
- Univ Cornell 1 patent