Steven P. Downing
19Patents
7h-index
24Co-inventors
66Inventor score
Filing activity: Feb 10, 1986 → Dec 9, 2015
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6158344A | Linefeed calibration using an integrated optical sensor | Electricity | 36 | Expired |
| US6682190B2 | Controlling media curl in print-zone | Performing Operations; Transporting | 28 | Expired |
| US6209867A | Sliding valve vacuum holddown | Emerging Cross-Sectional Technologies | 23 | Expired |
| US6698878B1 | Cleaning medium for ink-jet hard copy apparatus | Performing Operations; Transporting | 21 | Expired |
| US6407678B1 | Belt media drive for printer with dual belt encoders | Electricity | 17 | Expired |
| US6607458B2 | Techniques for robust endless belt tracking control | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US4731567A | Method and apparatus for automated parts for storage and retrieval | Performing Operations; Transporting | 8 | Expired |
| US6340155B1 | Sliding valve vacuum holddown method apparatus | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6454259B1 | Sliding valve vacuum holddown method and apparatus | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5222528A | Device for forming leads | Electricity | 6 | Expired |
| US6808259B2 | Controlling media curl in print-zone | Performing Operations; Transporting | 5 | Expired |
| US6079888A | Wet colorant hard copy apparatus media handling to reduce cockle | Performing Operations; Transporting | 5 | Expired |
| US7050193B1 | High accuracy swath advance paper positioning for printers | Performing Operations; Transporting | 4 | Expired |
| US7101033B2 | Cleaning medium for ink-jet hard copy apparatus | Performing Operations; Transporting | 3 | Expired |
| US6113509A | Differential planetary belt drive system | Mechanical Engineering; Lighting; Heating | 2 | Expired |
| US6210055A | Method and apparatus for cockle reduction in print media | Performing Operations; Transporting | 2 | Expired |
| US8894180B2 | Guide for a wiping assembly | Emerging Cross-Sectional Technologies | 1 | Active |
| US7753595B2 | Printer drum bearing mount | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10507979B2 | Object transportation with V-shaped attachment devices | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.