IPC Subgroup
B68G 3/06 Curling; Twisting filling materials into ropes or cords
Introduced: September 1968
Last revised: January 2006
Full Title
Treating materials to adapt them specially as upholstery filling > Curling; Twisting filling materials into ropes or cords
Classification Context
- Section:
- PERFORMING OPERATIONS; TRANSPORTING
- Class:
- SADDLERY; UPHOLSTERY
- Subclass:
- METHODS, EQUIPMENT, OR MACHINES FOR USE IN UPHOLSTERING; UPHOLSTERY NOT OTHERWISE PROVIDED FOR
Top Applicants
Top 10 applicants by patent filingsfor class B68, 2013–2023, worldwide · Source: EPO PATSTAT
- TACHI S COMPANY 144
- TOYOTA BOSHOKU CORPORATION 131
- L & P PROPERTY MANAGEMENT COMPANY US 84
- TACHI S COMPANY JP 81
- TS TECH COMPANY 79
- YOSHIDA KOGYO JP 78
- YOSHIDA KOGYO 54
- SPUEHL CH 50
- CHANGSHU BEALEAD AUTOMATIC MACHINE COMPANY 50
- ZHEJIANG HUAJIAN INTELLIGENT EQUIPMENT 49