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DIFF Class Not Allocatable
F26

DRYING

Description

Drying of solid or semi-solid materials by removal of moisture or other volatile liquids, including industrial drying equipment, processes, and methods. Covers tunnel dryers, chamber dryers, spray dryers, freeze dryers, and drum dryers used across industries such as food processing, textiles, chemicals, and pharmaceuticals. Encompasses both the mechanical apparatus and operational techniques for controlling temperature, humidity, and air circulation to achieve desired moisture reduction.

IPC and CPC are identically structured here. All 1 subcodes exist in both systems.

1 shared codes have differing titles between IPC and CPC.

Child Classifications

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Top Applicants

Top Applicants (IPC)

2013–2023, worldwide · Source: EPO PATSTAT

  1. LG ELECTRONICS KR 392
  2. TRUKING TECHNOLOGY 292
  3. CHINESE ACADEMY OF SCIENCES 258
  4. MENGZHOU YUANHONG DRYING EQUIPMENT RESEARCH AND DEVELOPMENT COMPANY 190
  5. HAIER SMART HOME 176
  6. SGCC(STATE GRID CORPORATION OF CHINA) 174
  7. LG ENERGY SOLUTION KR 166
  8. SCREEN HOLDINGS JP 162
  9. GREE ELECTRIC APPLIANCES 157
  10. SAMSUNG ELECTRONICS COMPANY KR 152

Top Applicants (CPC)

2013–2023, worldwide · Source: EPO PATSTAT

  1. LG ELECTRONICS KR 487
  2. DUERR SYSTEMS DE 205
  3. SCREEN HOLDINGS JP 200
  4. SEMES COMPANY KR 187
  5. SAMSUNG ELECTRONICS COMPANY KR 181
  6. LG ENERGY SOLUTION KR 178
  7. TOKYO ELECTRON JP 168
  8. LG CHEM KR 166
  9. CHINESE ACADEMY OF SCIENCES 139
  10. SCREEN HOLDINGS 127