Joseph E. Scheffelin
85Patents
22h-index
93Co-inventors
91Inventor score
Filing activity: Dec 23, 1992 → Jul 31, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6341845B1 | Electrical connection for wide-array inkjet printhead assembly with hybrid carrier for printhead dies | Performing Operations; Transporting | 182 | Expired |
| US6557976B2 | Electrical circuit for wide-array inkjet printhead assembly | Performing Operations; Transporting | 172 | Expired |
| US6543880B1 | Inkjet printhead assembly having planarized mounting layer for printhead dies | Electricity | 123 | Expired |
| US5673073A | Syringe for filling print cartridge and establishing correct back pressure | Performing Operations; Transporting | 114 | Expired |
| US6000791A | Printer having a removable print cartridge with handle incorporating an ink inlet value | Performing Operations; Transporting | 105 | Expired |
| US5751320A | Ink recharger for inkjet print cartridge having sliding valve connectable to print cartridge | Performing Operations; Transporting | 90 | Expired |
| US6341853B1 | Continuous refill of spring bag reservoir in an ink-jet swath printer/plotter | Performing Operations; Transporting | 90 | Expired |
| US5745137A | Continuous refill of spring bag reservoir in an ink-jet swath printer/plotter | Performing Operations; Transporting | 77 | Expired |
| US6350013B1 | Carrier positioning for wide-array inkjet printhead assembly | Electricity | 70 | Expired |
| US5675367A | Inkjet print cartridge having handle which incorporates an ink fill port | Performing Operations; Transporting | 55 | Expired |
| US6450614B1 | Printhead die alignment for wide-array inkjet printhead assembly | Performing Operations; Transporting | 51 | Expired |
| US6244696A | Inkjet print cartridge design for decreasing ink shorts by using an elevated substrate support surface to increase adhesive sealing of the printhead from ink penetration | Performing Operations; Transporting | 46 | Expired |
| US5450112A | Laminated film for ink reservoir | Performing Operations; Transporting | 42 | Expired |
| US5440333A | Collapsible ink reservoir and ink-jet cartridge with protective bonding layer for the pressure regulator | Performing Operations; Transporting | 42 | Expired |
| US5874976A | Inkjet cartridge fill port adapter | Performing Operations; Transporting | 39 | Expired |
| US6464333B1 | Inkjet printhead assembly with hybrid carrier for printhead dies | Performing Operations; Transporting | 34 | Expired |
| US9724926B2 | Dual regulator print module | Performing Operations; Transporting | 31 | Active |
| US5903292A | Ink refill techniques for an inkjet print cartridge which leave correct back pressure | Performing Operations; Transporting | 30 | Expired |
| US6428141B1 | Reference datums for inkjet printhead assembly | Performing Operations; Transporting | 27 | Expired |
| US9211980B1 | Microfluidic delivery system for releasing fluid compositions | Emerging Cross-Sectional Technologies | 25 | Active |
| US6997540B2 | Substrate for fluid ejection devices | Performing Operations; Transporting | 24 | Expired |
| US9636430B2 | Microfluidic delivery system and cartridge having an outer cover | Human Necessities | 22 | Active |
| US5929883A | Printing system with single on/off control valve for periodic ink replenishment of inkjet printhead | Performing Operations; Transporting | 22 | Expired |
| US5448818A | Method of assembly of a collapsible ink reservoir structure | Emerging Cross-Sectional Technologies | 22 | Expired |
| US5966156A | Refilling technique for inkjet print cartridge having two ink inlet ports for initial filling and recharging | Performing Operations; Transporting | 22 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.