Inventor · Greven, DE

Theodor Bruckmann

10Patents
5h-index
9Co-inventors
59Inventor score

Filing activity: Jul 30, 1990 → Dec 28, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US5059103A Underwater pelletizer Performing Operations; Transporting 76 Expired
US5403176A Tapered insert die plate for underwater pelletizers Performing Operations; Transporting 25 Expired
US5922194A Filter changing device for plastics processing plants Performing Operations; Transporting 10 Expired
US7993557B2 Method for the production of polyester granulates from highly viscous polyester melts and also device for the production of the polyester granulates Performing Operations; Transporting 5 Active
US8324339B2 Method and apparatus for thermally processing polyester pellets Chemistry; Metallurgy 5 Expired
US8556610B2 Method for the production of polyester granulates from highly viscous polyester melts and also device for the production of the polyester granulates Performing Operations; Transporting 2 Active
US8304518B2 Method for thermally treating polyester pellets to obtain a partial crystallization Performing Operations; Transporting 2 Active
US7897077B2 Process for pelletizing polymer melts comprising low-boiling substances Performing Operations; Transporting 2 Active
US6939235B2 Assembly of a drive shaft with the cutting head hub of a submersible granulator Mechanical Engineering; Lighting; Heating 1 Expired
US9346191B2 Method for the production of polyester granulates from highly viscous polyester melts and also device for the production of the polyester granulates Performing Operations; Transporting 1 Active

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