Keith L. Willis
24Patents
9h-index
24Co-inventors
75Inventor score
Filing activity: Apr 14, 1997 → Oct 8, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD606551S1 | Word free icon for a document finishing device of a printer | General | 163 | Expired |
| US6349191B1 | Replaceable container assembly for storing material for delivery to or from a printing machine | Emerging Cross-Sectional Technologies | 70 | Expired |
| USD611493S1 | Word free icon for a document finishing device of a printer | General | 41 | Expired |
| USD765772S1 | Office printer | General | 30 | Active |
| USD813269S1 | Printer screen with icon | General | 17 | Active |
| US6010127A | Internal purge for easy jam clearance in copiers/printers | Physics | 15 | Expired |
| USD779553S1 | Office machine display screen with graphical user interface including a color function icon | General | 14 | Active |
| USD921718S1 | 3D printer | General | 12 | Active |
| US6748186B1 | Modular machine having distributed fault recovery-assist user interfaces | Physics | 11 | Expired |
| US7009719B2 | Systems and methods for controlling an image forming system based on customer replaceable unit status | Physics | 9 | Expired |
| US7280781B2 | Override of stack limit settings | Physics | 6 | Expired |
| US10073664B2 | System and method for conveying print device status information using a light indicator feedback mechanism | Electricity | 4 | Active |
| US7575232B2 | Media path crossover clearance for printing system | Performing Operations; Transporting | 3 | Active |
| US6964414B2 | Jam clearance in a vertical sheet transport in a printing apparatus | Performing Operations; Transporting | 3 | Expired |
| US8977981B2 | System and method for demarcating a location on a display screen during a scrolling or touch/flicking content moving operation | Physics | 2 | Active |
| US9309065B2 | Programmable paper tray and elevator settings | Physics | 2 | Active |
| US7826760B2 | Document processing system with configurable graphic display of print consumable level | Physics | 2 | Active |
| US7970295B2 | Document processing system and method for adjustable print consumable refill level | Physics | 1 | Active |
| US8100399B1 | Paper guide support extension attachments | Performing Operations; Transporting | 1 | Active |
| US8276909B2 | Media path crossover clearance for printing system | Performing Operations; Transporting | 1 | Active |
| US11223732B1 | Multi-modal multi-device alerts | Electricity | 1 | Active |
| US8218174B2 | Interactive device capacity mimic and system override | Electricity | 1 | Active |
| USD850529S1 | Multifunction office machine | General | 0 | Active |
| US11379661B2 | Word verification editing for simple and detailed text editing | Physics | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.