Inventor

HERRMANN DOUGLAS K

US217 patents

⚠️ This page may combine multiple inventors who share the name “HERRMANN DOUGLAS K”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

HERRMANN DOUGLAS K

XEROX CORP

Printer output sets compiler to stacker system

Vacuum media drum transport system with shutter for multiple media sizes

Vacuum media transport system with shutter for multiple media sizes

Vacuum belt system having internal rotary valve

Cart with a support surface having a selectively adjustable contour and a printing system sheet stacker incorporating the cart

Printer sheet lateral registration system with automatic upstream nip disengagements for different sheet size

Printer lateral and deskew sheet registration system

System and method for attenuating the drying of ink from a printhead

Leading/trailing edge detection system having vacuum belt with perforations

Printer and dryer for drying images on coated substrates in aqueous ink printers

Cross roll registration system with controlled input positioning

Multi-position collation system with retracting guides including pre-compiler

Dual vacuum belt system with adjustable inter-copy gap

High speed multi-bin card collation system

Multi-position collation system with retracting guides

Multi-stage collation system and method for high speed compiling sequentially ordered signage

Collation system with retracting guides

System for reducing cockle in media printed by an inkjet printer

Automatic feed roll cleaning system

Registration carriage nip release with reduced reaction forces

Actuator and dual bin size belt system for multiple size media transport

Automated retail edge marker accumulation, collation and transfer system

System and method for preserving ink viscosity in inkjets in an inkjet printer during printing

Adjusting printer maintenance operations

Three-dimensional printing system and method of three-dimensional printing

Water ingress indicator for electronic devices

Active airflow control device for vacuum paper transport

Positive pressure plenum system for transport belts in a printing device

Evaporative ink-blocking film devices stabilizing ink in nozzles of inkjet printheads

System and device for attenuating curl in substrates printed by inkjet printers

Submersion cap devices stabilizing ink in nozzles of inkjet printheads

Printer and dryer for drying images on coated substrates in aqueous ink printers

Object holder for a direct-to-object printer

System and method for rotating a three-dimensional (3D) object during printing of the object

Systems and methods for implementing selectable input media routing of multiple input media forms from multiple axes in image forming devices

Integrated object packaging and holder for direct-to-object printer

Switchable mirror system for reflecting laser input during printing

Switchable mirror lens system for redirecting laser energy during periods of non-printing

System and method for flame treatment of print surfaces in inkjet printers

Cooling control system

Sheet stacking system for flimsy sheets

Corrugating baffle for on stack finishing system

Floating on stack compiling and registration clamp system

Ink jet coaxial drum system with inter-copy gap tracking

Parallel belt system for cut sheet transport in a laser cutter

Systems and methods for implementing removal of detected wrinkling for web printing in a post processing device of an image forming system

High speed multi-bin card collation and buffering system

HERRMANN DOUGLAS K

Variable vacuum belt and plenum for improved media sheet acquisition and transport

High speed rotary nip diverter

LEDGERWOOD ADAM D

Paper present sensing for a paper tray through media size sensing board