Inventor · Bamberg, DE

Bernhard Borschert

24Patents
15h-index
27Co-inventors
81Inventor score

Filing activity: Dec 22, 1994 → Apr 22, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6045301A Drill with cooling-lubricant channel Emerging Cross-Sectional Technologies 66 Expired
US6988859B2 Drill bit and method for grinding a drill bit Emerging Cross-Sectional Technologies 36 Expired
US7048480B2 Twist drill with a replaceable cutting insert and a rotary cutting tool with a replaceable cutting insert Emerging Cross-Sectional Technologies 33 Expired
US6116825A Rotating cutting tool with a coolant passage and a method of providing it with coolant Emerging Cross-Sectional Technologies 32 Expired
US7360974B2 Rotary cutting tool, such as a drill, comprising an exchangeable cutting insert, and an exchangeable cutting insert Emerging Cross-Sectional Technologies 32 Expired
US7201543B2 Twist drill and method for producing a twist drill which method includes forming a flute of a twist drill Emerging Cross-Sectional Technologies 30 Expired
US7306410B2 Twist drill with a replaceable cutting insert and a rotary cutting tool with a replaceable cutting insert Emerging Cross-Sectional Technologies 27 Expired
US7476067B2 Drill bit Emerging Cross-Sectional Technologies 26 Active
US6309149A Twist drill for dry drilling Emerging Cross-Sectional Technologies 25 Expired
US6210083A Method of providing a cutting tool with lubricating coolant Emerging Cross-Sectional Technologies 24 Expired
US8550756B2 Drill bit for drilling having at least two cutting edges, each with two cutting portions and a non-cutting portion between the two cutting portions Emerging Cross-Sectional Technologies 20 Active
US7101125B2 Twist drill Emerging Cross-Sectional Technologies 20 Expired
US7591617B2 Twist drill with a replaceable cutting insert and a rotary cutting tool with a replaceable cutting insert Emerging Cross-Sectional Technologies 18 Active
US7832967B2 Rotary cutting tool, such as a drill, comprising an exchangeable cutting insert, and an exchangeable cutting insert Emerging Cross-Sectional Technologies 17 Active
US6688817B2 Drill for drilling, a method for making a drill for drilling, and a cutting tool Emerging Cross-Sectional Technologies 16 Expired
US8992143B2 Modular drill Emerging Cross-Sectional Technologies 12 Active
US8366358B2 Rotary cutting tool, such as a drill, comprising an exchangeable cutting insert, and an exchangeable cutting insert Emerging Cross-Sectional Technologies 11 Active
US5915895A Drilling and chamfering tool Emerging Cross-Sectional Technologies 11 Expired
US8807888B2 Rotary cutting tool, such as a drill, comprising an exchangeable cutting insert, and an exchangeable cutting insert Emerging Cross-Sectional Technologies 10 Active
US8858134B2 Drilling tool having point thinning Emerging Cross-Sectional Technologies 6 Active
US9199315B2 Twist drill and method for producing a twist drill which method includes forming a flute of a twist drill Performing Operations; Transporting 6 Active
US8043030B2 Tool holder, drill holder, reamer holder, and milling cutter holder Emerging Cross-Sectional Technologies 2 Active
US11911834B2 Drilling tool and method for producing a borehole Performing Operations; Transporting 0 Active
US9248511B2 Drilling tool and method for drilling Emerging Cross-Sectional Technologies 0 Active

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