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

Icon_funbox Famous Patents

In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.

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 396/621 - Crane type


Subclass of Class 396 - Photography
Definition: Subject matter wherein the strip-type material is suspended
No. of patents: 18
Last issue date: 01/02/2001


NumberTitleIssue Date
6168322Apparatus for processing exposed photosensitive elements
Apparatus for processing exposed photosensitive elements comprising: a cylindrical container having an open end and having a plurality of circumferentially disposed containment vessels for containing processing fluids; an index plate which is rotatably mo...
01/02/2001
5752123Automatic X ray developing device
An automatic X ray developing device comprises a base platform, four support legs disposed beneath four corners of the base platform respectively, a rotating disk and a motor disposed beneath the base platform, a plurality of rollers disposed on the base ...
05/12/1998
5619744Film processor
A film processor includes a cabinet having a processing cavity divided into a series of processing stations containing film processing fluid. A pair of support rails extend longitudinally over the processing cavity. A photographic film carrier is loaded a...
04/08/1997
5475462Photographic processes
In conventional photographic processes, material being processed follows a predetermined sequence of steps, for example, developer, bleach, first wash, fixer, second wash, and stabilizer. This requires the provision of at least two wash tanks as the film ...
12/12/1995
5285230Processing device
A device for processing objects is provided which comprises a series of processing stations and coil means for transporting objects to be processed wherein the axis of the coil is vertically disposed above each of the series of processing stations. The pr...
02/08/1994
5257059Developing processor
The processor is equipped with a helicoidal spiral tub (2). A special telescopic arm (24) mounted on the central shaft of the tub allows the material to be developed to pass through the tanks that make up the tub. The arm is L-shaped and the material to b...
10/26/1993
5166720Dental X-ray film developing machine
A dental X-ray film developing machine is described. The machine has a cylindrical housing, a motor fixed on the housing, an arm for being driven by the motor, and a film holder for being brought into detachable engagement with the arm whereby development...
11/24/1992
5132717Film processor
A processor for developing film chips is provided which comprises a series of tanks for developer solutions and coil means for transporting film may be suspended wherein the axis of the coil is vertically disposed above each of the series of tanks. The pr...
07/21/1992
5005036Processing apparatus
Processing apparatus for photographic film, particularly intraoral xray film, in which the various processing stations are positioned in a circle about a central rotatable column. The column has an external spiral groove in which rides a pin carried by, a...
04/02/1991
4978987Apparatus for development and after-treatment of photographic material to be developed
An apparatus for developing and after treatment of photographic development material includes a plurality of containers arranged one after another in a row with the containers having open tops. The containers are arranged to receive different treatment fl...
12/18/1990
4853729Dental X-ray film developing machine
A dental X-ray film developing machine is described. The machine has plural compartments arranged along a predetermined travelling path of a dental X-ray film to be developed. A film-mounting member is provided to mount the film detachably thereon. The fi...
08/01/1989
4769661Disk film developing method and apparatus
The main object of the invention is to provide a disk film developing apparatus which has a developing process section of non-light shielding construction having substantially no darkroom section and in which one or more disk films are developed while bei...
09/06/1988
4655575Apparatus for transporting disc films
An improved apparatus for transporting disc films in a developing apparatus which includes a series of treatment liquid baths. The apparatus includes a support block by means of which a movable rail is supported so as to allow a hanger to slide therealong...
04/07/1987
4607930Device for transferring the film holders in a film developer
Device for transferring the film holders in a film developer which was described by the Italian patent application No. 45731 A/82 of the same Applicant. Such a device is constituted by an arm (1) formed by two rods, a first fixed rod (2) which is applied ...
08/26/1986
4579437Apparatus for processing photographic films including dental x-ray films
An apparatus for processing radiation sensitive film, particularly dental x-ray film, has a housing with tanks located thereon capable of holding developer, fixer and wash. An arcuate shaped track is located on the housing in association with the tanks. A...
04/01/1986
4531821Item transporting
A transport mechanism has two driven gears driven by a driving gear therebetween and having pivotally attached cranks at pivot points maintained at the same elevation as the driven gears rotate. The upper end of the cranks are attached to a horizontal mov...
07/30/1985
4290687Apparatus for developing photographed film
An apparatus for developing a photographed film comprises a turn table on which processing liquid cups are mounted, a rotary device for rotating the film to be developed, and a device for descending and ascending the rotary device into and out of the liqu...
09/22/1981
4011573Apparatus for developing dental X-ray films
An apparatus for developing dental X-ray film of the dip and dunk type, in which the apparatus is provided with a plurality of processing stations disposed in an arcuate path that is concentric about a vertical axis, which stations comprise loading, devel...
03/08/1977
 
Sign InRegister
Username  
Password   
forgot password?