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Class Information
Number: 347/126
Name: Incremental printing of symbolic information > Electric marking apparatus or processes > Electrostatic > By information carrying flow of invisible charged particles > Specific ionographic head > Fluid assisted charged particle flow or generation > Modified or specific fluid (e.g., heated, dehumidified, specified gas)
Description: Subject matter wherein the liquid or the gas is treated, or a fluid with specified properties is used (e.g., heated, dehumidified, electronegative gas, etc.).
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6061074 |
Ion generator for ionographic print heads |
May. 9, 2000 |
| 5933177 |
Erase unit for ion deposition web-fed print engine |
Aug. 3, 1999 |
| 5559544 |
Image forming apparatus with cooperating housing structure |
Sep. 24, 1996 |
| 5272979 |
Plasma-jet imaging apparatus and method |
Dec. 28, 1993 |
| 5243365 |
Positively purged print cartridge |
Sep. 7, 1993 |
| 5107284 |
Nitrogen argon mixtures supplied to midax printers |
Apr. 21, 1992 |
| 5014076 |
Printer with high frequency charge carrier generation |
May. 7, 1991 |
| 4939543 |
Ionographic ozone filtering system |
Jul. 3, 1990 |
| 4918468 |
Method and apparatus for charged particle generation |
Apr. 17, 1990 |
| 4890123 |
Print cartridge |
Dec. 26, 1989 |
| 4809027 |
Offset electrostatic printing utilizing a heated air flow |
Feb. 28, 1989 |
| 4809026 |
Electrostatic printing utilizing a heated air flow |
Feb. 28, 1989 |
| 4803503 |
Thermally activated electrostatic charging method and system |
Feb. 7, 1989 |
| 4794412 |
Vertical line width control ionographic system |
Dec. 27, 1988 |
| 4772901 |
Electrostatic printing utilizing dehumidified air |
Sep. 20, 1988 |
| 4763141 |
Printing apparatus with improved ion focus |
Aug. 9, 1988 |
| 4734721 |
Electrostatic printer utilizing dehumidified air |
Mar. 29, 1988 |
| 4619515 |
Electrostatic printing apparatus and method |
Oct. 28, 1986 |
| 4143381 |
Method for information processing |
Mar. 6, 1979 |
| 4124854 |
Electrostatic recorder with a recording head which floats on a fluid cushion |
Nov. 7, 1978 |
| 4117778 |
High speed printer with arc preventing fluorocarbon gas |
Oct. 3, 1978 |
| 4050377 |
High speed printer with heated aperture board |
Sep. 27, 1977 |
| 3979759 |
Process and apparatus for electrographic recording utilizing contact liquid |
Sep. 7, 1976 |
| 3978492 |
Process for the electrographic recording of charge images in a low electron affinity case |
Aug. 31, 1976 |
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