Inventor · Duisburg, DE

Dirk Cramer

24Patents
6h-index
12Co-inventors
62Inventor score

Filing activity: May 12, 1995 → Apr 22, 2005

Most-cited inventions

PatentTitleAreaCited byStatus
US5816146A Calender for satining paper Mechanical Engineering; Lighting; Heating 12 Expired
US5911174A Calender Textiles; Paper 9 Expired
US6209817A Method and apparatus for monitoring a winding hardness of a winding roll Performing Operations; Transporting 8 Expired
US6250581A Web winding device and method Performing Operations; Transporting 8 Expired
US6248215A Calender and method for treating material webs in the calender Emerging Cross-Sectional Technologies 7 Expired
US6298634A Process and device for producing a wound roll that is wrapped on its circumference, and the wound roll Performing Operations; Transporting 6 Expired
US6260789A Multi-carrying-roll winder Performing Operations; Transporting 4 Expired
US6105897A Reel winding roll and process Performing Operations; Transporting 3 Expired
US6059219A Winding device and process for winding material webs Performing Operations; Transporting 3 Expired
US6527218B1 Device for winding of rolls and winding process Performing Operations; Transporting 3 Expired
US5988055A Calendar for paper and similar web material Textiles; Paper 3 Expired
US6012673A Winding device and method Performing Operations; Transporting 2 Expired
US5613307A Heatable roll for the treatment of webs of material as well as method for their operation Textiles; Paper 2 Expired
US6129011A Calender for treating both sides of a web Textiles; Paper 2 Expired
US6089495A Winding device and method for a reel cutter Performing Operations; Transporting 1 Expired
US7162953B2 Roll arrangement Textiles; Paper 1 Expired
US6705562B1 Roll winding device and method of increasing rigidity of such device Performing Operations; Transporting 1 Expired
US6370848B1 Process and device for packaging material web rolls Performing Operations; Transporting 1 Expired
US6616809B2 Process and device for producing paper reels Performing Operations; Transporting 1 Expired
US6176449A Process and device for winding partial webs into partial web rolls Performing Operations; Transporting 1 Expired
US6019306A Roll winding device Performing Operations; Transporting 1 Expired
US6364243B1 Reel winding arrangement and process Performing Operations; Transporting 0 Expired
US5816143A Process for satining paper and calender for carrying out the process Textiles; Paper 0 Expired
US7655114B2 Method and device for calendering a paper web Textiles; Paper 0 Expired

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