Data Products Corporation
146Patents
0Active
146Granted
43Portfolio score
Filing activity: Jun 12, 1975 → Apr 6, 1999
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5258774A | Compensation for aerodynamic influences in ink jet apparatuses having ink jet chambers utilizing a plurality of orifices | Performing Operations; Transporting | 273 | Expired |
| US5041161A | Semi-solid ink jet and method of using same | Chemistry; Metallurgy | 125 | Expired |
| US5903716A | Virtual printer | Electricity | 116 | Expired |
| US5371837A | Virtual printer | Electricity | 92 | Expired |
| US4833486A | Ink jet image transfer lithographic | Performing Operations; Transporting | 92 | Expired |
| USD335683S | Smooth edge recessed solid ink pellet | General | 90 | Expired |
| US4228396A | Electronic tachometer and combined brushless motor commutation and tachometer system | Electricity | 82 | Expired |
| US5202659A | Method and apparatus for selective multi-resonant operation of an ink jet controlling dot size | Performing Operations; Transporting | 79 | Expired |
| US5597856A | Hot melt ink for transparency applications | Chemistry; Metallurgy | 78 | Expired |
| USD346821S | Stepped diameter recessed solid ink pellet | General | 76 | Expired |
| US5021802A | Thermally reversible sol-gel phase change ink or bubble jet ink | Chemistry; Metallurgy | 75 | Expired |
| US5343226A | Ink jet ink supply apparatus | Performing Operations; Transporting | 60 | Expired |
| US4791439A | Ink jet apparatus with improved reservoir system for handling hot melt ink | Performing Operations; Transporting | 52 | Expired |
| US4739339A | Cartridge and method of using a cartridge for phase change ink in an ink jet apparatus | Performing Operations; Transporting | 52 | Expired |
| US4823146A | Cartridge and method of using a cartridge for phase change ink in an ink jet apparatus | Performing Operations; Transporting | 51 | Expired |
| US5638497A | Virtual printer | Electricity | 49 | Expired |
| US5070345A | Interlaced ink jet printing | Electricity | 45 | Expired |
| US4312008A | Impulse jet head using etched silicon | Performing Operations; Transporting | 45 | Expired |
| US4930684A | Closure strip and method for remanufacturing a toner cartridge and toner cartridge | Emerging Cross-Sectional Technologies | 42 | Expired |
| US4745420A | Method and apparatus for controlling the size of dots produced by jetting phase change ink | Performing Operations; Transporting | 41 | Expired |
| US5898823A | Network printer auto-detection method and system | Physics | 41 | Expired |
| US4973980A | Acoustic microstreaming in an ink jet apparatus | Performing Operations; Transporting | 39 | Expired |
| US4591774A | High performance incremental motion system using a closed loop stepping motor | Physics | 38 | Expired |
| US4758276A | Stearic acid-containing ink jet inks | Chemistry; Metallurgy | 36 | Expired |
| US4829318A | Head tending system for purging and cleaning an ink jet print head | Performing Operations; Transporting | 36 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.