David Erdtmann
30Patents
8h-index
36Co-inventors
71Inventor score
Filing activity: Sep 10, 1990 → Apr 30, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6166105A | Process for making an ink jet ink | Chemistry; Metallurgy | 45 | Expired |
| US6152999A | Color pigmented ink jet set | Chemistry; Metallurgy | 31 | Expired |
| US6533408B1 | Ink jet printing method | Performing Operations; Transporting | 22 | Expired |
| US6161929A | Inkjet images on PVA overcoated with hardener solution | Performing Operations; Transporting | 21 | Expired |
| US6183548A | Ink jet ink set | Chemistry; Metallurgy | 16 | Expired |
| US6153000A | Color pigmented ink jet ink set | Chemistry; Metallurgy | 15 | Expired |
| US6127453A | Ink jet ink | Chemistry; Metallurgy | 12 | Expired |
| US6048389A | Ink jet inks containing modifiers for improved drop formation | Chemistry; Metallurgy | 9 | Expired |
| US6254230A | Ink jet printing apparatus with print head for improved image durability | Performing Operations; Transporting | 7 | Expired |
| US6046253A | Dispersant for ink jet ink | Chemistry; Metallurgy | 6 | Expired |
| US6045219A | Pigmented ink jet prints on gelatin overcoated with hardeners | Performing Operations; Transporting | 6 | Expired |
| US6234624A | Ink jet printing method | Chemistry; Metallurgy | 5 | Expired |
| US6508548B2 | Ink jet printing method | Performing Operations; Transporting | 4 | Expired |
| US6176574A | Printing apparatus with spray bar for improved durability | Performing Operations; Transporting | 4 | Expired |
| US6527844B2 | Metal complex for ink jet ink | Chemistry; Metallurgy | 4 | Expired |
| US6030438A | Additive for ink jet ink | Chemistry; Metallurgy | 4 | Expired |
| US6254670A | Additive for ink jet ink | Chemistry; Metallurgy | 3 | Expired |
| US6020398A | Pigmented ink jet inks for poly (vinylalcohol) receivers | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6431700B1 | Ink jet printing method | Performing Operations; Transporting | 2 | Expired |
| US5240828A | Direct reversal emulsions | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6030439A | Ink jet printing method | Chemistry; Metallurgy | 2 | Expired |
| US6435678B1 | Waterfast ink jet images treated with hardeners | Performing Operations; Transporting | 1 | Expired |
| US6586498B1 | Ink jet ink | Chemistry; Metallurgy | 1 | Expired |
| US7832824B1 | Method for printing with an accelerating printhead | Performing Operations; Transporting | 1 | Active |
| US6082853A | Printing apparatus with processing tank | Performing Operations; Transporting | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.