Inventor · Jilin, CN

Feng Ren

23Patents
5h-index
51Co-inventors
72Inventor score

Filing activity: Feb 19, 2003 → Mar 28, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US8322176B2 System and method for incrementally forming a workpiece Performing Operations; Transporting 20 Active
US6947809B2 Method of modifying stamping tools for spring back compensation based on tryout measurements Performing Operations; Transporting 12 Expired
US8783078B2 Method to improve geometrical accuracy of an incrementally formed workpiece Performing Operations; Transporting 11 Active
US8733143B2 Method of incremental forming with successive wrap surfaces Performing Operations; Transporting 7 Active
US7298802B2 SIR measure method and apparatus for the same Electricity 7 Expired
US7117065B1 Method for modifying a stamping die to compensate for springback Emerging Cross-Sectional Technologies 5 Expired
US7464011B2 Method for determining addendum and binder surfaces of springback compensated stamping dies Physics 5 Active
US8831914B2 Pseudo-physical modeling of drawbead in stamping simulations Physics 2 Active
US10144048B2 High stiffness and high access forming tool for incremental sheet forming Performing Operations; Transporting 2 Active
US10956634B2 Method for predicting plastic strain ratio from stamping simulation Physics 1 Active
USD998881S1 Electronic cigarette General 1 Active
US10010920B2 Method to improve geometrical accuracy of an incrementally formed workpiece Performing Operations; Transporting 1 Active
US7640144B2 Method for simulating a hydroforming process Physics 0 Active
US11766709B2 Forming die with reverse bead geometry Performing Operations; Transporting 0 Active
US9898508B2 Method and device for processing information Physics 0 Active
US11427879B2 Die construction methodology for reducing quench time for press hardenable steels Performing Operations; Transporting 0 Active
US11618098B2 Methods of forming and stamping tailor friction stir welded blanks with enhanced edge stretch Performing Operations; Transporting 0 Active
US9925577B2 Rotary-draw bending mandrel with galling-resistive inserts Performing Operations; Transporting 0 Active
US10722930B2 Cooling of dies using solid conductors Mechanical Engineering; Lighting; Heating 0 Active
US11663260B2 Method and apparatus for searching multimedia content device, and storage medium Physics 0 Active
US12109646B2 Methods of forming and stamping tailor friction stir welded blanks with enhanced edge stretch Performing Operations; Transporting 0 Active
US12222012B2 Magnetorheological fluid brake and control method therefor Mechanical Engineering; Lighting; Heating 0 Active
US11468189B1 Method, system, apparatus and device for data exchange Electricity 0 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.