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IPC Subgroup
D03D 15/52

thermal insulating, e.g. heating or cooling

Introduced: January 2021

Full Title

Woven fabrics characterised by the material, structure or properties of the fibres, filaments, yarns, threads or other warp or weft elements used > characterised by the properties of the yarns or threads > thermal insulating, e.g. heating or cooling

Classification Context

Section:
TEXTILES; PAPER
Class:
WEAVING
Subclass:
WOVEN FABRICS; METHODS OF WEAVING; LOOMS

Filing statistics

IPC D03D 15/52 belongs to the parent subclass D03D, which recorded 59,991 patent applications worldwide between 2013 and 2023. Annual filings declined from 5,188 in 2013 to 4,976 in 2023 (-4%), peaking at 6,415 applications in 2016. The most active applicants in class D03 are TORAY INDUSTRIES (461 applications), TORAY INDUSTRIES (324 applications) and SHANDONG RIFA TEXTILE MACHINERY COMPANY (279 applications).

Source: EPO PATSTAT, worldwide filings

Top Applicants

Top 10 applicants by patent filingsfor class D03, 2013–2023, worldwide · Source: EPO PATSTAT

  1. TORAY INDUSTRIES JP 461
  2. TORAY INDUSTRIES 324
  3. SHANDONG RIFA TEXTILE MACHINERY COMPANY 279
  4. TOYOTA INDUSTRIES CORPORATION 260
  5. JIANGSU COLLEGE OF ENGINEERING AND TECHNOLOGY 259
  6. ZHEJIANG SCI TECH UNIVERSITY 244
  7. PICANOL BE 213
  8. TOYOTA INDUSTRIES CORPORATION JP 192
  9. FEDERAL-MOGUL POWERTRAIN US 175
  10. NATIONAL DONG HWA UNIVERSITY 171