David J. Stephens
11Patents
6h-index
11Co-inventors
63Inventor score
Filing activity: Jun 3, 1985 → May 1, 2012
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD628883S1 | Cup | General | 81 | Expired |
| US4607699A | Method for treating a tar sand reservoir to enhance petroleum production by cyclic steam stimulation | Fixed Constructions | 32 | Expired |
| US4993490A | Overburn process for recovery of heavy bitumens | Fixed Constructions | 31 | Expired |
| US5469202A | Continuous ink jet catcher with improved screen structure | Performing Operations; Transporting | 13 | Expired |
| US5477254A | Apparatus for mounting and aligning components of an ink jet printhead | Performing Operations; Transporting | 9 | Expired |
| US4903956A | Sheet stacking apparatus having positive control system for trailing sheet ends | Performing Operations; Transporting | 9 | Expired |
| US5475410A | Seal for ink jet printhead | Performing Operations; Transporting | 3 | Expired |
| US5394179A | Stimulator for continous ink print head | Performing Operations; Transporting | 2 | Expired |
| US8783850B2 | Drying printed media moving along media path | Performing Operations; Transporting | 2 | Active |
| US6998803B2 | Enhanced performance for DC motor drive switching | Electricity | 1 | Expired |
| US5754206A | Low stress droplet generator mount assembly | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.