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| Number | Title | Issue Date |
| 5036365 | Field assisted filter and electrophotographic copying machine using the same A filter for separating a flowing fluid containing charged particles into two streams, one essentially free of particles and one laden with particles, includes a main conduit having an inlet at one end for receiving the flowing fluid, and having two outle... | 07/30/1991 |
| 4793281 | Unitized toner assembly for continuous electrostatic film medium A liquid toner applicator for elongated photoconductive film medium on which a latent electrostatic image has been formed includes an upper bearing surface for supporting moving film medium, which is spaced from a conductive block having an upper surface.... | 12/27/1988 |
| 4623241 | Developing apparatus and method for a photocopier employing liquid development A development apparatus and method positions the development electrode (30), in a liquid development system, in a close, spaced apart relationship to a moving photosensitive surface (12). The development electrode (30) has plural supply conduits (76) and ... | 11/18/1986 |
| 4383019 | Process for electrophotographic color image development on a continuously moving image carrier The invention relates to a process for electrophotographic color image development by which charge images are rendered visible by electrophoretic deposition of color zones on a continuously moving image carrier-band in development stations, using contact ... | 05/10/1983 |
| 4294192 | Liquid electrostatic image developing system employs mesh development electrode A liquid developing system for developing an electrostatic latent image formed on a copy paper includes a mesh plate development electrode disposed in a traveling path of the copy paper so that the image carrying surface of the copy paper confronts the me... | 10/13/1981 |
| 4210080 | Imaging method and apparatus Liquid ink is held in the openings of a screen which is placed adjacent a grounded conductive surface. Electrical charge is delivered to selected ones of the openings so that the charged ink is drawn to the grounded conductive surface by the attractive fo... | 07/01/1980 |
| 4157219 | Multi-color electro-static image liquid development apparatus A liquid development apparatus for developing electrostatic latent images borne on the surface of an image bearing medium. The apparatus comprises leading and trailing squeeze rollers in horizontally spaced relation, means disposed between the squeeze rol... | 06/05/1979 |
| 4148274 | Processing apparatus An apparatus for liquid development of latent images on sheets or webs comprises a plurality of applicator stations which sequentially deliver processing liquid to the latent image bearing surface of the sheets or webs. The latter are transported above th... | 04/10/1979 |
| 4133292 | Wet-developing stationary electrode A wet developing stationary electrode for wet-developing an electrostatic latent image produced on a record sheet. The electrode is provided at that surface thereof which is opposed to the electrostatic latent image produced surface of the record sheet wi... | 01/09/1979 |
| 3974796 | Dual mode apparatus for developing latent electrostatic images A powder cloud development apparatus is provided for developing latent electrostatic images on the surface of an insulating member, normally a photoconductive layer, employing a powder cloud development system. The development apparatus is operable in eit... | 08/17/1976 |
| 3952702 | Electrophotographic liquid toner development apparatus The charge image bearing surface of a web to be developed is partially wrapped around the periphery of a perforated rotatable drum-shaped development electrode. Liquid electrographic toner is forced through the perforated drum against the charge image bea... | 04/27/1976 |
