Inventor · Bretzfeld, DE

Arndt Birkert

8Patents
3h-index
5Co-inventors
42Inventor score

Filing activity: Jul 16, 1998 → Feb 21, 2006

Most-cited inventions

PatentTitleAreaCited byStatus
US6301765A Process for manufacturing a hollow body from two plates Emerging Cross-Sectional Technologies 6 Expired
US6112567A Method and apparatus for manufacturing a hollow body from a tubular blank by internal high-pressure shaping Performing Operations; Transporting 5 Expired
US6065211A Method for manufacturing a part in the shape of a hollow profile Emerging Cross-Sectional Technologies 5 Expired
US7543471B2 Waste gas heat exchanger Emerging Cross-Sectional Technologies 3 Expired
US6143235A Method for producing secondary mold elements Performing Operations; Transporting 3 Expired
US6516646B2 Device for manufacturing a hollow body from two plates Emerging Cross-Sectional Technologies 1 Expired
US6299242A Vehicle frame part in the shape of a hollow profile Emerging Cross-Sectional Technologies 1 Expired
US7028520B2 Method and device using high interior pressure to reshape structural section Performing Operations; Transporting 0 Expired

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