Douglas K. Herrmann
213Patents
8h-index
101Co-inventors
83Inventor score
Filing activity: Sep 6, 2002 → Dec 12, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6819906B1 | Printer output sets compiler to stacker system | Physics | 196 | Expired |
| US8911199B2 | Cart with a support surface having a selectively adjustable contour and a printing system sheet stacker incorporating the cart | Performing Operations; Transporting | 39 | Active |
| US9944094B1 | Vacuum media drum transport system with shutter for multiple media sizes | Performing Operations; Transporting | 21 | Active |
| US6817609B2 | Printer sheet lateral registration system with automatic upstream nip disengagements for different sheet size | Performing Operations; Transporting | 17 | Expired |
| US9796546B1 | Vacuum belt system having internal rotary valve | Performing Operations; Transporting | 17 | Active |
| US9815303B1 | Vacuum media transport system with shutter for multiple media sizes | Performing Operations; Transporting | 16 | Active |
| US6736394B2 | Printer lateral and deskew sheet registration system | Performing Operations; Transporting | 15 | Expired |
| US9592989B2 | High speed multi-bin card collation system | Performing Operations; Transporting | 14 | Active |
| US10358307B1 | Leading/trailing edge detection system having vacuum belt with perforations | Physics | 8 | Active |
| US7686299B2 | Registration carriage nip release with reduced reaction forces | Performing Operations; Transporting | 8 | Active |
| US9463945B2 | Multi-stage collation system and method for high speed compiling sequentially ordered signage | Performing Operations; Transporting | 8 | Active |
| US9463946B2 | Collation system with retracting guides | Performing Operations; Transporting | 7 | Active |
| US8371568B2 | Actuator and dual bin size belt system for multiple size media transport | Performing Operations; Transporting | 7 | Active |
| US9527693B2 | Multi-position collation system with retracting guides | Performing Operations; Transporting | 7 | Active |
| US8387972B1 | Paper present sensing for a paper tray through media size sensing board | Performing Operations; Transporting | 6 | Active |
| US8868231B2 | Flexible production collating system | Emerging Cross-Sectional Technologies | 5 | Active |
| US8794624B2 | Method and apparatus for a pneumatic baffle to selectively direct a cut media in a media feed system | Physics | 5 | Active |
| US9624062B1 | Multi-position collation system with retracting guides including pre-compiler | Performing Operations; Transporting | 5 | Active |
| US8579287B1 | High speed rotary nip diverter | Performing Operations; Transporting | 5 | Active |
| US10353652B2 | Dynamic imposition identifier for items cut from sheets | Electricity | 4 | Active |
| US9604813B1 | Dual vacuum belt system with adjustable inter-copy gap | Physics | 4 | Active |
| US8360415B1 | Automatic feed roll cleaning system | Performing Operations; Transporting | 4 | Active |
| US9278531B1 | Print head protection device for inkjet printers | Performing Operations; Transporting | 4 | Active |
| US10350912B1 | Printer and dryer for drying images on coated substrates in aqueous ink printers | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US9334138B1 | High speed multi-bin card collation and buffering system | Performing Operations; Transporting | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.