Inventor · Cologne, DE

Gerhard Bartscher

19Patents
6h-index
29Co-inventors
62Inventor score

Filing activity: Sep 4, 1997 → Jun 22, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US6608987B2 Method and machine for printing and/or coating of a substrate with a UV curable toner Physics 24 Expired
US6661993B2 Process for controlling the gloss of a toner image and a digital image recording device Physics 16 Expired
US5845181A Toner-based printing device with controlled delivery of toner particles Physics 12 Expired
US6683287B2 Process and device for fixing toner onto a substrate or printed material Physics 10 Expired
US6686573B2 Process and device for warming up printing material and/or toner Physics 8 Expired
US6587665B2 Digital printer or copier machine and processes for fixing a toner image Physics 7 Expired
US6674990B2 Overheating protection for toner image printed substrate in a radiation fixing device Physics 5 Expired
US6092800A Device for conveying sheets in a printing machine Performing Operations; Transporting 4 Expired
US6740462B2 Method for fixation of toner on a support or printing stock Physics 4 Expired
US6594465B2 Radiation unit for a fixation device Physics 3 Expired
US7092664B2 Digital printing or copying machine Performing Operations; Transporting 3 Expired
US6055402A Single-component developing station Physics 3 Expired
US6618571B2 Process and device for transferring toner Physics 2 Expired
US6608986B2 Digital printing or copying machine and process for fixing a toner on a substrate Physics 2 Expired
US6993278B2 Fixing device transport for a digital printer or copier machine Performing Operations; Transporting 2 Expired
US10349652B2 Devices for driving away or exterminating pests Performing Operations; Transporting 0 Active
US9308765B2 Distributor rollers Performing Operations; Transporting 0 Active
US6298210A Device for creating a uniform toner layer by electrically charging toner particles Physics 0 Expired
US6841324B2 Elastomeric image carrier with cavities Physics 0 Expired

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