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...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 6157802 | Developer filtering apparatus of printer A developer filtering apparatus of a printer, which filters developer supplied from a developing unit to a circulation tank through an discharge path, includes a coupling member having a hole formed therein and coupled to a coupling hole formed in the cir... | 12/05/2000 |
| 5737672 | Self-cleaning liquid developing material applicator An apparatus for developing an electrostatic latent image on an imaging member with a liquid developing material, including a liquid developing material applicator, the housing defining an aperture adapted for transporting liquid developing material into ... | 04/07/1998 |
| 5724629 | Liquid developer monitoring device, liquid developer controlling system, and image forming apparatus using same This invention relates to a liquid developer monitoring device comprising a first electrode which contacts with a liquid developer comprising a liquid medium and electrically charged toner particles dispersed therein, a second electrode being either a dev... | 03/03/1998 |
| 5640230 | Electrostatic latent image developing methods and apparatuses for use with the methods An electrostatic latent image developing method and an apparatus used in the latent image developing method are disclosed. In a first image developing method, a bias supply voltage provided to a developing dish is gradually increased during a developing p... | 06/17/1997 |
| 5296645 | Liquid toner developing module for electrographic recording A developing module for depositing liquid toner on an imaging surface of a photoconductive member includes a development electrode. The development electrode is supported by a shroud which includes a toner supply passageway. The supply passageway is coupl... | 03/22/1994 |
| 5220384 | Liquid developer based imaging machine using a developing electrode A liquid toner based imaging machine includes a movable photoconductive member carrying an electrostatic latent image. A developing station contains a source of toner liquid that includes charged toner particles. The station is operatively associated with... | 06/15/1993 |
| 5216201 | Liquid electrophotographic developing device A liquid electrophotographic developing device for developing a photoconductive material charged and exposed and which has a photoconductive layer formed on one surface of a conductive layer comprises a developing tank filled with a developing solution in... | 06/01/1993 |
| 5027744 | Developing device with development electrode cleaning unit A developing device which utilizes a development solution having toner particles actuated in the electric field generated by an electromember is provided with a cleaning unit to remove excess toner particles from the surface of the electrode member. The u... | 07/02/1991 |
| 5025290 | Pulsed voltage development electrode cleaner A voltage waveform is applied to a development electrode in an electrophotographic apparatus to assist in the cleaning of the development electrode without degrading the photoconductor surface with excessive toner particles. The waveform establishes a bia... | 06/18/1991 |
| 5019868 | Developer electrode and reverse roller assembly for high speed electrophotographic printing device A developer electrode and reverse roller assembly are provided for use in conjunction with the rotatable print cylinder of a high speed electrophotographic printing press. The normal tendency of toner particles to stick to the developer electrode is inhib... | 05/28/1991 |
| 4784080 | Multi-segment toning shoe for latent image development A toning shoe for applying fluid developer to a latent image on a supported sheet. A drum is the preferred support, with the toning shoe having raised upstream and downstream support rims contacting the sheet, opposed lateral insulating rims spaced very s... | 11/15/1988 |
| 4678317 | Charge and bias control system for electrophotographic copier A charge and bias control system for a liquid-developer electrophotographic copier in which a sensing electrode is disposed in the developing station just upstream of the developing electrodes. Developer liquid fills the space between the sensing electrod... | 07/07/1987 |
| 4529295 | Electrophotographic copying apparatus including a self-cleaning developing assembly and method An assembly for developing a latent electrostatic image formed on the photosensitive outer surface of a rotating developing drum making up a part of an electrophotographic copying apparatus is disclosed herein. This assembly includes a supply of developer... | 07/16/1985 |
| 4423134 | Developing unit for electrophotography A developing unit for use with an electrophotographic copying apparatus of the type comprising a developing electrode and at least one corona discharger includes a conductive member arranged within a shield casing of the discharger for obtaining a voltage... | 12/27/1983 |
| 4160593 | Apparatus for developing latent images Apparatus for applying liquid developer to a latent image-bearing surface and, after image development has been accomplished, for blow-drying the surface. Such apparatus comprises a housing against which the support material is clamped. The housing has a ... | 07/10/1979 |
| 4111156 | Devices for developing an electrostatic charge image on a record sheet by a developer solution A device for developing a latent image produced on a record sheet by an effect of electrostatic charge by charged particles dispersed in a developer solution is disclosed. The device comprises a tank containing the developer solution and at least one pair... | 09/05/1978 |
| 4025184 | Developing electrode contamination prevention system for electrophotography A photoconductive drum has an image portion and a non-image portion. A biasing voltage is applied to a developing electrode when the image portion of the drum is adjacent thereto. The developing electrode is grounded when the non-image portion of the drum... | 05/24/1977 |
| 3970043 | Electrophotographic device for liquid development A device in a liquid development system to prevent soiling of support rollers for an imaging member wherein the support rollers previously soiled the back surface of the imaging member. The invention comprises insulating the support rollers and applying a... | 07/20/1976 |
| 3949703 | Self-cleaning developer applicator A self-cleaning developer applicator system for applying liquid developer to a latent electrostatic image carried by an organic photoconductor supported on a conductive substrate which moves relative to a developer station in which a biasing potential is ... | 04/13/1976 |
