APPARATUS FOR PROCESSING EXPOSED PHOTOGRAPHIC MATERIALS (apparatus specially adapted for photomechanical production of textured or patterned surfaces G03F); ACCESSORIES THEREFOR (photosensitive materials or processes for photographic purposes G03C; electrographic, electrophotographic, or magnetographic methods or apparatus G03G)

Description

G03D encompasses equipment and devices designed to process photographic materials after exposure, including developing, fixing, washing, and drying apparatus for film, plates, and paper. This subclass covers both manual and automatic processing systems, chemical handling equipment, and related accessories such as tanks, rollers, and transport mechanisms used in traditional photographic workflows. It excludes the photographic materials themselves (covered under G03C) and the initial image capture apparatus (covered under G03B), focusing instead on the post-exposure treatment and finishing stages.

Filing statistics

CPC subclass G03D recorded 280 patent applications worldwide between 2013 and 2023. Annual filings declined from 11 in 2013 to 8 in 2023 (-27%), peaking at 68 applications in 2017. The most active applicants in class G03 are CANON (19,215 applications), CANON (12,916 applications) and ASML NETHERLANDS (10,000 applications).

Source: EPO PATSTAT, worldwide filings