T/R Systems
🏢 View company profile →19Patents
0Active
19Granted
35Portfolio score
Filing activity: Apr 5, 1978 → Aug 29, 2001
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5596416A | Multiple printer module electrophotographic printing device | Electricity | 229 | Expired |
| US5859711A | Multiple print engine with virtual job routing | Emerging Cross-Sectional Technologies | 160 | Expired |
| US6606165B1 | Method and apparatus for routing pages to printers in a multi-print engine as a function of print job parameters | Emerging Cross-Sectional Technologies | 91 | Expired |
| US6035103A | Color correction for multiple print engine system with half tone and bi-level printing | Physics | 66 | Expired |
| US6825943B1 | Method and apparatus to permit efficient multiple parallel image processing of large jobs | Physics | 61 | Expired |
| US5940186A | Multiple printer module electrophotographic printing device | Electricity | 53 | Expired |
| US5745657A | Method and apparatus for multi-modal printing with electrophotographic print engine | Electricity | 50 | Expired |
| US6657741B1 | Multiple print engine system with selectively distributed ripped pages | Emerging Cross-Sectional Technologies | 45 | Expired |
| US6636326B1 | Method for calibrating a color marking engine for halftone operation | Emerging Cross-Sectional Technologies | 45 | Expired |
| US6219155A | Color correction of contone images in a multiple print engine system | Physics | 42 | Expired |
| US6633396B1 | Page synchronization in a color print system | Emerging Cross-Sectional Technologies | 35 | Expired |
| US6707563B1 | Multiple print engine with error handling capability | Physics | 33 | Expired |
| US4245571A | Thermal reductor system and method for recovering valuable metals from waste | Mechanical Engineering; Lighting; Heating | 32 | Expired |
| US5276490A | Buried electrode drum for an electrophotographic print engine | Physics | 26 | Expired |
| US5398107A | Apparatus for biasing the curvature of an image carrier on a transfer drum | Physics | 24 | Expired |
| US5459560A | Buried electrode drum for an electrophotographic print engine with controlled resistivity layer | Physics | 19 | Expired |
| US5583623A | Method and apparatus for attaching an image receiving member to a transfer drum | Physics | 19 | Expired |
| US5563689A | Developer module with electromagnetic shutter | Physics | 17 | Expired |
| US5799232A | Friction drive for an electrophotographic print engine | Physics | 9 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.