IPC Main Group
F03G 6/00 Devices for producing mechanical power from solar energy
Introduced: January 1990
Last revised: January 2006
Classification Context
- Section:
- MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- Class:
- MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- Subclass:
- SPRING, WEIGHT, INERTIA, OR LIKE MOTORS; MECHANICAL-POWER-PRODUCING DEVICES OR MECHANISMS, NOT OTHERWISE PROVIDED FOR OR USING ENERGY SOURCES NOT OTHERWISE PROVIDED FOR
Filing statistics
IPC F03G 6/00 belongs to the parent subclass F03G, which recorded 26,246 patent applications worldwide between 2013 and 2023. Annual filings declined from 2,754 in 2013 to 2,145 in 2023 (-22%). The most active applicants in class F03 are VESTAS (3,539 applications), WOBBEN PROPERTIES (2,922 applications) and SIEMENS GAMESA RENEWABLE ENERGY (2,747 applications).
Source: EPO PATSTAT, worldwide filings
Related Keywords
using SOLAR energy
2 direct subcodes
Child Classifications
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Top Applicants
Top 10 applicants by patent filingsfor class F03, 2013–2023, worldwide · Source: EPO PATSTAT
- VESTAS DK 3,539
- WOBBEN PROPERTIES DE 2,922
- SIEMENS GAMESA RENEWABLE ENERGY DK 2,747
- GE (GENERAL ELECTRIC COMPANY) US 2,356
- BEIJING GOLDWIND SCIENCE & CREATION WINDPOWER EQUIPMENT COMPANY 1,228
- SIEMENS DE 886
- SGCC(STATE GRID CORPORATION OF CHINA) 831
- HUANENG CLEAN ENERGY RESEARCH INSTITUTE 785
- MING YANG SMART ENERGY GROUP. 652
- LM WIND POWER DK 600