Inventor · Schwerte, DE

Dirk Heidemann

9Patents
3h-index
8Co-inventors
42Inventor score

Filing activity: Jul 23, 2002 → Aug 13, 2010

Most-cited inventions

PatentTitleAreaCited byStatus
US7819343B2 Decoking tool Emerging Cross-Sectional Technologies 10 Active
US7163165B2 De-coking tool Performing Operations; Transporting 10 Expired
US8002204B2 Decoking tool Emerging Cross-Sectional Technologies 4 Active
US8074745B2 Tool for crushing coke Emerging Cross-Sectional Technologies 1 Expired
US8074746B2 Tool for crushing coke Emerging Cross-Sectional Technologies 0 Active
US7802639B2 Drive device for a boring bar Emerging Cross-Sectional Technologies 0 Expired
US8439127B2 Drive device for a boring bar Emerging Cross-Sectional Technologies 0 Active
US8382960B2 Arrangement for guiding a drill stem of a decoking tool Emerging Cross-Sectional Technologies 0 Active
US8220323B2 Freefall arrestor Performing Operations; Transporting 0 Active

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