Pen Hung Chen

8 Patents

• US123706092025

  Tool Holder Assembly Easy to Assemble and Disassemble

  SHIN-YAIN INDUSTRIAL CO., Ltd.

  0 cites
• US123188472025

  Cutter Holder Assembly Capable of Reducing Longitudinal Assembling Gap Between Cutter and Collet

  SHIN-YAIN INDUSTRIAL CO., Ltd.

  0 cites
• US122144702025

  Grinding Wheel Assembly with a Coolant Passage System

  SHIN-YAIN INDUSTRIAL CO., Ltd.

  0 cites
• US120836652024

  Tool Holder Module

  SHIN-YAIN INDUSTRIAL CO., Ltd.

  0 cites
• US119515512024

  Positioning Cutter Assembly and Positioning Collet Assembly

  SHIN-YAIN INDUSTRIAL CO., Ltd.

  0 cites
• US117312472023

  Two-way Nut Spanner

  SHIN-YAIN INDUSTRIAL CO., Ltd.

  0 cites
• US116285442023

  Hook Spanner

  SHIN-YAIN INDUSTRIAL CO., Ltd.

  0 cites
• US115481102023

  Angle Head Holder

  SHIN-YAIN INDUSTRIAL CO., Ltd.

  0 cites