U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 5265827

Paddle Wheel Plane

An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 399/142 - Development


Subclass of Class 399 - Electrophotography
Definition: Subject matter wherein a section of the film process head
No. of patents: 19
Last issue date: 11/13/2007


NumberTitleIssue Date
7295402Magnetic tape cartridge and recorder/reproducer a magnetic tape cartridge
A magnetic tape cartridge and A magnetic tape cartridge recording/reproducing apparatus, which can prevent a magnetic tape from being charged to avoid damage of a magnetic head while lowering the resistance of the magnetic tape and maintaining optimum electromagneti...
11/13/2007
7184694Image forming method and apparatus to maintain a high efficiency of toner transfer
An image forming apparatus having: an image forming body for forming a latent image and a toner image; a developing device for developing with a toner the latent image formed on the image forming body to form the toner image; a primary transfer device for transferri...
02/27/2007
6973280Image forming apparatus and liquid developer drying device
A liquid-developer drying device includes a covering wall which has a facing surface covering and facing to part of an image-carrying body with a drying air passage between them. The image-carrying body carries developed image in a first direction along the drying a...
12/06/2005
4952980Liquid processing head for an electrophotographic apparatus
A processing head for use in an electrophotographic apparatus which is designed to bring successive frames of an elongated photosensitive material to a developing section. In the developing section a developing agent is supplied to develop the images on t...
08/28/1990
4913086Developing apparatus
A developing apparatus for bringing a film into contact with a frame portion which defines a developing chamber in such a manner that a surface of the film formed an electrostatic latent image is opposed to a developing electrode disposed in the developin...
04/03/1990
4875080Method of and apparatus for developing electrophotographic film using liquid developer
A developing apparatus wherein a developer is supplied to an exposed electrophotographic film to develop an image formed on the film has a developing section provided with an electrode which is disposed in opposing relation to the film. A bias voltage of ...
10/17/1989
4873545Method of developing image on electrophotographic film
A developing method for developing an image on an electrophotographic film by means of a processing head which has a developing section to which the film is pressed for the development under the supply of a developer. After completion of supply of the dev...
10/10/1989
4864351A method and apparatus for cleaning a developing electrode of an electrophotographic device
A cleaning method for removing unnecessary matter accumulated on a surface on the bottom of a recess so as to clean the surface. An adhesive surface on a projection projected from an elongated base member is brought into contact with the unnecessary matte...
09/05/1989
4851877Processing head with rinsing liquid supply for electrophotographic apparatus
A process head for an electrophotographic apparatus is adapted to charge an electrophotographic film, expose the thus charged film to image light so as to form an image on the film, develop the thus formed image by means of a liquid developer in a develop...
07/25/1989
4809642Pipeline structure with sloped portion for bubble removal
A pipeline arranged so that any bubbles mixed in a liquid developer can be prevented from being delivered to a developing section. A main pipe through which the pumped developer flows is communicated at its lower end with a branched pipe. A branched pipe ...
03/07/1989
4797644Processing head for electrophotographic apparatus
A process head for use in an electrophotographic apparatus and adapted for conducting developing process with a developer on an electrophotographic film in a developing section of the electrophotographic apparatus. The developing section is surrounded by ...
01/10/1989
4768059Developing method for electrophotographic apparatus
A developing method in an electrophotographic apparatus in which an image on an electrophotographic film brought into a developing section is developed by a developer supplied to the developing section. During the development, a seal gas of a pressure hig...
08/30/1988
4760425Developer supply apparatus for electrophotographic system
A developer supply apparatus for a processing head which develops an image exposure-formed on an electrophotographic film by a developer. The developer, which is stored in a bottle, is pumped up to a switching valve by the expansion and contraction of a b...
07/26/1988
4622915Developing head of electrophotographic system
In a developing head of an electrophotographic system which develops an image by bringing a liquid developer into contact with a photosensitive face of electrophotographic material, through an opening provided in the developing head, a right angle is form...
11/18/1986
4613226Developing head for electrophotographic apparatus
A developing head in which liquid developer and gas are applied by a feeding system to the photosensitive surface of an electrophotographic material for electrophotographic apparatus via a developing chamber, a space being formed between the framed openin...
09/23/1986
4595276Inclined toner flow control system for developing an electrostatic latent image upon a roll cassette, aperture card, or microfiche type electrophotographic film element
A toner flow control system for liquid toner within camera/processor apparatus includes the disposition of a development electrode portion (30, 130, 230) and the electrophotographic film element (14, 114, 214) within planes inclined with respect to a hori...
06/17/1986
4515463Inclined toner flow control system for developing an electrostatic latent image upon an electrophotographic film
A toner flow control system for liquid toner within camera/processor apparatus includes the disposition of a development electrode portion (30) and the electrophotographic film (14) within planes inclined with respect to a horizontal plane at an angle of ...
05/07/1985
4141647Method and apparatus of aperture flooding
A record processor employing a novel developing system, toner module and method in which a quantity of toner fluid is held adjacent to an electrostatic latent image on a film, in a substantially quiescent state, for a sufficiently long period to insure mi...
02/27/1979
3964436Electrophotographic development apparatus
Disclosed is an apparatus for developing an electrostatic latent image on a frame of a multi-frame electrophotograhic film by placement of the film parallel to a closely spaced electrically floating development electrode which has a special size relations...
06/22/1976
 
Sign InRegister
Username  
Password   
forgot password?