Inventor · Ratingen, DE

Thomas Flehmig

49Patents
5h-index
37Co-inventors
69Inventor score

Filing activity: Sep 25, 1998 → Jun 18, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US7637135B2 Method for producing from a metal sheet a hollow profile which is longitudinally slotted and provided with several longitudinal segments having different cross sections Performing Operations; Transporting 9 Expired
US8522593B2 Method and device for producing highly dimensionally accurate flanged half shells Performing Operations; Transporting 7 Active
US8276428B2 Device for manufacturing profiles Performing Operations; Transporting 5 Active
US8459076B2 Method and device for producing closed profiles Performing Operations; Transporting 5 Active
US6494360B1 Method and device for producing straight bead welded pipes from flat sheet metal blanks Performing Operations; Transporting 5 Expired
US8505352B2 Method for producing hollow profiles having a longitudinal flange Performing Operations; Transporting 3 Active
US10065229B2 Method for producing highly dimensionally accurate half-shells and apparatus for producing a half-shell Performing Operations; Transporting 2 Active
US6941787B2 Bending device for thin-walled metal pipes Performing Operations; Transporting 2 Expired
US7909226B2 Device for producing a longitudinally welded hollow profile using a holding-down device Performing Operations; Transporting 2 Expired
US5953949A Method and apparatus for producing a metal strip having areas of different thickness over its width Performing Operations; Transporting 2 Expired
US10081043B2 Method and upsetting tool for producing highly dimensionally accurate half shells Performing Operations; Transporting 2 Active
US8296922B2 Method for producing low-springback half shells Emerging Cross-Sectional Technologies 2 Active
US6658912B1 Bending block for a bending device Performing Operations; Transporting 2 Expired
US8959973B2 Method and device for the coreless forming of hollow profiles Emerging Cross-Sectional Technologies 2 Active
US9643268B2 Device and method for partial decoating and/or machining of material from a workpiece Emerging Cross-Sectional Technologies 1 Active
US9908166B2 Sheet metal blank having a homogeneous thickness transition Emerging Cross-Sectional Technologies 1 Active
US8240184B2 Method for producing high-precision half shells Performing Operations; Transporting 1 Active
US9327332B2 Method for controlling the flow of material when deep-drawing a workpiece, and deep-drawing device Performing Operations; Transporting 1 Active
US9289813B2 Device and method for the deep drawing of shell parts with integrated head and frame trimming Performing Operations; Transporting 1 Active
US9682489B2 Method and device for mechanically removing coatings from coated blanks using a press and scraping knife Emerging Cross-Sectional Technologies 0 Active
US10118211B2 Method and device for forming a collar on a workpiece Performing Operations; Transporting 0 Active
US9643231B2 Method and device for producing flanged drawn parts with simultaneous trimming Performing Operations; Transporting 0 Active
US10137812B2 Backrest frame for a vehicle seat Performing Operations; Transporting 0 Active
US10017833B2 Method and tool for hardening a hollow profile of a steel workpiece Chemistry; Metallurgy 0 Active
US9669447B2 Method and device for drawing and trimming blanks Performing Operations; Transporting 0 Active

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