A.B. Dick Company
93Patents
0Active
93Granted
39Portfolio score
Filing activity: Jun 28, 1971 → Apr 1, 2004
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4121222A | Drop counter ink replenishing system | Performing Operations; Transporting | 100 | Expired |
| US5543219A | Encapsulated magnetic particles pigments and carbon black, compositions and methods related thereto | Emerging Cross-Sectional Technologies | 76 | Expired |
| US4186020A | Fluorescent ink for automatic identification | Chemistry; Metallurgy | 62 | Expired |
| US4153593A | Fluorescent ink composition for jet printing | Chemistry; Metallurgy | 52 | Expired |
| US4067020A | Noninterrupt ink transfer system for ink jet printer | Performing Operations; Transporting | 50 | Expired |
| US4024096A | Jet printing ink composition for glass | Performing Operations; Transporting | 40 | Expired |
| US4495617A | Signal generation and synchronizing circuit for a decentralized ring network | Electricity | 39 | Expired |
| US4365035A | Pigmented jet printing ink | Chemistry; Metallurgy | 34 | Expired |
| US4234885A | Remote ink valve | Physics | 32 | Expired |
| US4070322A | Ink composition for jet printing onto non-absorbent surfaces | Emerging Cross-Sectional Technologies | 32 | Expired |
| US4465800A | Ink composition for ink jet printing | Chemistry; Metallurgy | 28 | Expired |
| US4186662A | Duplexing copying system | Emerging Cross-Sectional Technologies | 27 | Expired |
| US3972474A | Miniature ink jet nozzle | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5395435A | Fast drying duplicating ink | Chemistry; Metallurgy | 26 | Expired |
| US4013160A | Ribbon tensioning device for ribbon cartridge | Performing Operations; Transporting | 26 | Expired |
| US4260531A | Ink composition for printing on polyolefin | Chemistry; Metallurgy | 25 | Expired |
| US4236814A | Transport system for advancing copy sheets through tandem duplicating system | Performing Operations; Transporting | 25 | Expired |
| US5103733A | Printing machine with continuous sheet feed mechanism | Performing Operations; Transporting | 21 | Expired |
| US4160982A | Anti-dispersion accumulator for ink jet printing system | Performing Operations; Transporting | 20 | Expired |
| US4827280A | Flow rate control system | Physics | 19 | Expired |
| US4860027A | Ink drop control system with temperature compensation | Performing Operations; Transporting | 19 | Expired |
| US5203846A | Media feed roll apparatus and method for its use | Performing Operations; Transporting | 18 | Expired |
| US4051283A | Printed sheets containing concealed images and method and materials for preparation and visual development of same | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4001495A | Devices for the copying of images by sequential sweeping | Performing Operations; Transporting | 18 | Expired |
| US4010882A | Sprocket drive and stripper arrangement for computer form feeder apparatus | Performing Operations; Transporting | 16 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.