The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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| Number | Title | Issue Date |
| 6729779 | Photographic processing drum having a metering blade assembly The present invention relates to a photographic processor which includes a circular processing drum and a metering blade assembly provided within the drum. The metering blade assembly is adapted to control or meter an amount of processing solution provided on film t... | 05/04/2004 |
| 6722797 | Photographic processing drum having a circular media holding cylinder and a linear dryer The present invention relates to a photographic processor that includes a circular processing drum that is adapted to process photographic media. The processor also includes a circular cylinder that defines a holding or cueing cylinder. The circular cylinder has a c... | 04/20/2004 |
| 6705780 | Processor A processor for processing photosensitive material has a rotatable outer drum and an inner sprocket wheel which is independently rotatable from the outer drum. Two sets of sprocket teeth and, are provided on the sprocket wheel to engage with the material to be proce... | 03/16/2004 |
| 6704087 | Photographic processing system A method of processing a print order in which the entire order is delivered simultaneously. An exposed sheet carrying all the latent images of the order is developed in a single processing space.... | 03/09/2004 |
| 6547459 | Processing apparatus A drum chamber in which photographic material is processed is provided with a section in which the walls overlap to form a narrow channel therebetween. The channel acts as the entrance to and exit from the chamber for the material being processed.... | 04/15/2003 |
| 6517262 | Processing photographic material An apparatus for processing photographic material comprises a chamber adapted to hold the material therein, means for introducing solution into the chamber, means for removing the solution from the chamber, and a member located within the chamber and fill... | 02/11/2003 |
| 6517263 | Photographic processor having side by side processing paths and method of operation A photographic processor and method of operation is disclosed. The processor includes a circular drum having first and second film processing paths, and a disk positioned inside the drum. The disk comprises a first set of disk teeth for engagement with pe... | 02/11/2003 |
| 6517264 | Processing apparatus A processing drum is located within an enclosed chamber. The processing drum is rotated within the chamber, the chamber being provided with means to heat and circulate air throughout the interior thereof. At least one fin is provided around the outer peri... | 02/11/2003 |
| 6505979 | Processing photographic material A method of processing a photographic material in which the material is loaded into a rotatable chamber and a metered amount of solution is introduced into the chamber. The chamber is rotated and the solution is continuously swept along the surface of the... | 01/14/2003 |
| 6485204 | Photographic processor having an adjustable drum A photographic processor having a circular processing drum is shown. The circular processing drum of the processor of the present invention includes a disk that is positioned inside the drum. In order to accommodate different types of film, the circular p... | 11/26/2002 |
| 6485202 | Photographic processor and method of operation A photographic processor and method of operation is disclosed. The processor includes a circular drum and a disk positioned inside the drum. The disk comprises at least one set of teeth along an outer periphery thereof for engagement with perforations on ... | 11/26/2002 |
| 5692188 | System for processing and washing photographic images A drum photographic processor is provided which comprises a trough for receiving processing liquid, a drum mounted within the trough in contact with the liquid, the drum having an outer surface for mounting the photographic sheet material such that a non-... | 11/25/1997 |
| 5438384 | Photographic apparatus In known photographic apparatus, processing is achieved by passing the material to be processed from one processing stage to the next in a predetermined sequence. This necessitates that the processing stages are sequentially arranged in the apparatus. How... | 08/01/1995 |
| 5394215 | Photographic processing apparatus In small processing machines, the rate at which material passes through the machine tends to be low due to its size. This results in the access time being long as it is the sum of the actual processing time at each stage, plus the crossover times between ... | 02/28/1995 |
| 5351104 | Photographic processing apparatus When using unstable processing solutions, high recirculation and/or replenishment rates may be required. However, this may result in non-uniform processing of photographic material in processing apparatus using such solutions. Described herein is apparatu... | 09/27/1994 |
| 5023643 | Automatic photo processor A photo processor is intended for use with a water source and a liquid disposal system and includes plural solution storage tanks and an elongate processing trough. A liquid-entry manifold is located intermediate the ends of the processing trough adjacent... | 06/11/1991 |
| 4940134 | Waste solution treatment method and apparatus therefor An apparatus for treating a waste solution generated when a photosensitive material is processed by an automatic developing machine includes a waste solution reservoir which is maintained at a constant level. A drum, partially immersed in the waste soluti... | 07/10/1990 |
| 4757339 | Disc film treating cassette This disc film treating cassette comprises a housing including a tubular portion and a top wall in an inverted cup-shaped configuration in which several disc films can be accommodated, a disc film support shaft rotatably and slidably supported at the cent... | 07/12/1988 |
| 4702582 | Processing device A film-processing device comprises a lid having mounted therein a plunger or the like, which plunger is required to be rotatable in either direction in the lid and which is also required to be locked stationary in the lid. The plunger is connected with a ... | 10/27/1987 |
| 4678308 | Processing device An apparatus for the processing of a film contained in a cassette, the cassette being of the kind comprising a substantially cylindrical body formed with protruding light-tight longitudinally extending film exit slot means and having the film wound thereo... | 07/07/1987 |
| 4678309 | Device for processing a role of exposed film coiled on a spool There is described a device for processing a roll of exposed film coiled on a spool which comprises a cylindrical light-tight container wherein the film on the spool is rotated and which is of sufficient diameter and height to accommodate the film loosely... | 07/07/1987 |
| 4678307 | Device for processing exposed photographic film coiled on a spool There is described a novel spiral-less film processing device for processing a roll of exposed film coiled on a spool which comprises a cylindrical light-right container of sufficient diameter and height to accommodate the film coiled on the spool, a ligh... | 07/07/1987 |
| 4664498 | Film-processing apparatus An apparatus for the processing of a film, contained in a cassette being of the kind comprising a substantially cylindrical cassette body formed with a light-tight, longitudinally extending film exit slot device, end caps on said cassette body and a spool... | 05/12/1987 |
| 4586803 | Developing drum Apparatus is described for the processing of a film contained in a cassette. The cassette comprises a substantially cylindrical body formed with a light-tight, longitudinally extending film exit slot, end caps to the body and a spool held between the caps... | 05/06/1986 |
| 4511230 | Photographic processing apparatus including a rocking platform and a rolling developing tank A photographic processing apparatus for uniformly processing roll film and photographic sheet material in a rolling stainless steel tank. The tank rolls back and forth along a platform that is tilted one way, and then the other, by means of an air bellows... | 04/16/1985 |
| 4473283 | Arrangement for developing photomaterials in rotatable drum An arrangement for developing photomaterials has a rotatable drum arranged to accommodate a photomaterial, a plurality of vessels for various treatment fluids, an arm having a free end rotatably connectable with the drum and turnable together with the lat... | 09/25/1984 |
| 4444480 | Rotating drum-containing sheet or web processing apparatus A drum processing apparatus for sheet or web material is described wherein the drum also acts as a solution recirculating means. The apparatus comprises a vessel containing processing liquid in which is partially immersed a driven drum which guides the sheet o... | 04/24/1984 |
| 4423945 | Film holding and agitating apparatus An apparatus for use in developing film is disclosed. The apparatus is designed to hold the film during development in a processing solution. The apparatus fits and substantially closes the processing solution cannister to provide a substantially lightles... | 01/03/1984 |
| 4422748 | Apparatus for transporting and processing photographic materials or the like Apparatus for developing photographic film includes a substantially cylindrical, open sided carrier which retains spaced-apart parallel sheets of photographic film within the cylinder. A plurality of horizontal open-topped chemical troughs are disposed si... | 12/27/1983 |
| 4355879 | Photographic developing tank This invention concerns a photographic developing tank in which at least one of the end panels is removable and in which the cylindrical container includes at this end at least one slot or lug for the reception and the angular positioning of a sleeve of w... | 10/26/1982 |
| 4346979 | Photographic developing tank This invention concerns a light-tight photographic developing tank in which the end orifice opening onto the exterior of the body is orientated laterally to the axis of the tank and in which the orifice opening into the interior of the body is raised up a... | 08/31/1982 |
| 4302092 | Drum processing apparatus The invention relates to drum processing apparatus for in the treatment of photographic material. The apparatus comprises a stand, a processing drum rotatably mounted on the stand, and means for intermittently axially displacing processing liquid in the d... | 11/24/1981 |
| 4175849 | Photographic drum processor inserts A drum processor insert for use in the drum of a photographic drum processor is described which enables the capacity of the processor to be substantially increased. The insert comprises a plurality of arcuate holders each adapted to hold a sheet of photog... | 11/27/1979 |
| 4134666 | Film developing device A device for developing a photographed film by rolling up and down the film in a liquid developer is provided, which comprises a hollow body opened at the lower end thereof, a rotary shaft axially extending through the hollow body to be slidable thereto a... | 01/16/1979 |
| 4112453 | Rotary film processing apparatus Processing apparatus includes a plurality of processing tanks with a separate film transport and agitating assembly for each tank. Each transport device receives film units, of the type having a plurality of disc-shaped film elements supported in spaced r... | 09/05/1978 |
| 4054902 | Apparatus for developing photographic prints Disclosed herein is an apparatus for developing photographic prints including a cabinet which houses a developing tank, a removable hood for covering the developing tank against the entrance of light, a print holding fixture mounted for rotation relative ... | 10/18/1977 |
| 4011573 | Apparatus 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 |
| 4005463 | Photographic processing drum and method for using A photographic processing drum includes a trough coaxially arranged within and spaced apart from the interior surface of the drum. A cap sealingly fitted to one end of the drum includes separate channels, isolated from each other, for conducting fluids in... | 01/25/1977 |
| 4001852 | Rotating auger arrangement for pumping processing fluid through a film developing container Film is mounted in a holder in a cassette whose top is closed by a cover having a throughgoing hole provided with a light gate and whose bottom has a similar hole over which is provided an auger carried on an upright shaft passing through the cover of the... | 01/04/1977 |
| 3981488 | Carrier for processing photographic material and apparatus for rotating the carrier Apparatus for axially rotating and vertically oscillating a horizontally disposed cylindrical carrier for processing photographic material, in which a ring on one end of the carrier is supported on a rotatable eccentric and the other end of the carrier re... | 09/21/1976 |