Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7367140 | Method of drying molds and apparatus for supplying drying air In a method of drying molds or mold parts for the manufacture of optical lenses, in particular ophthalmic lenses and especially contact lenses, the mold or mold part to be dried is exposed to drying air. For this purpose, humid pressurized air (T) is used to which t... | 05/06/2008 |
| 6190063 | Developing method and apparatus After a developer is applied to a semiconductor wafer, a head member having a plurality of fluid discharge holes is positioned so as to face the wafer, and during development of the wafer, a fluid is discharged from the discharge holes of the head member ... | 02/20/2001 |
| 6113288 | Water deposition apparatus and method Apparatus and method for depositing water onto the surface of a substrate passed through the apparatus. The apparatus has a housing that defines an internal atmosphere confined in at least partial isolation from the ambient atmosphere. The housing has a m... | 09/05/2000 |
| 5708904 | Photographic emulsion surface reforming method A method for reforming the surface of a photographic emulsion layer. In the method, the surface of the emulsion layer is dried to at least sensible dryness. Water is then deposited onto the surface of the emulsion layer. The depositing is substantially un... | 01/13/1998 |
| 4441803 | Diazo copy machine with ammonia fume eliminator A diazo copier having an exposure section, an ammonia developer section, a copy degassing section, and an enclosed copy receptacle. To develop an exposed copy, it is contacted with ammonia vapors in the development section. The ammonia vapors absorbed by ... | 04/10/1984 |
| 4412731 | High speed low temperature diazo processor An improved diazo film processing and developing system has warm-up and steady state heaters along with gravity loading of the film drive rollers and cast aluminum pre-heat and developing chambers. The chambers use resilient or leaf spring seals and a sta... | 11/01/1983 |
| 4360259 | Diazo developing apparatus A diazo developer is described which is useful for both ammonia vapor developing and for thermal developing. A heated chamber is provided with inlet and outlet slots through which the sheets pass during operation. Adjacent the inlet slot is a pair of inle... | 11/23/1982 |
| 4358193 | Diazo development apparatus The present invention relates to diazo copiers and is concerned with the supply of gaseous developing agent to a developing section of a copier, and the removal of surplus developing agent from this section of the copier, and from the developed copy mater... | 11/09/1982 |
| 4319826 | Process and apparatus for developing a two-component diazocopying material Disclosed is a process for developing a two-component diazocopying material, comprising the steps of providing a film of an ammonia-steam mixture or of an aqueous ammonia solution, respectively, flowing uniformly into the interior of an evaporation zone a... | 03/16/1982 |
| 4313666 | Apparatus for developing light-sensitive recording materials This invention relates to an apparatus for developing light-sensitive recording materials with a vaporous developing medium in a developing chamber, comprising housing means having a vapor space therein, aperture means in said vapor space, external and in... | 02/02/1982 |
| 4289394 | Process and apparatus for converging developing vapors in diazocopy machines The invention relates to an improvement in diazocopy development machines. A development chamber is used in which ammonia vapors are generated. A converging system made up of converging walls which accelerate the hot ammonia vapors, without additional mea... | 09/15/1981 |
| 4273435 | Method and arrangement for eliminating ammonia vapors from developed diazo copy material A method and arrangement for achieving a thorough degassing of developed diazo copy materal to eliminate the ammonia vapors permeating the developed diazo copy material as a result of the development process. The developed copy is moved from a development... | 06/16/1981 |
| 4255037 | High speed, low temperature and pressure diazo processing apparatus A processor for developing diazo film defined by a pair of flat platens disposed within a housing and spaced apart a distance only slightly greater than the thickness of the film. The housing includes intake and outlet openings aligned with the space betw... | 03/10/1981 |
| 4243310 | High speed, low temperature diazo processor A processor for developing diazo film has flat platens disposed within a housing and spaced apart a distance to accommodate the thickness of the film. The housing includes an inlet and an outlet aligned with the space between the platens and means for adv... | 01/06/1981 |
| 4241989 | Diazo developing apparatus Developing apparatus for diazo copy sheets is provided wherein the development chamber is supplied with anhydrous ammonia gas drawn from the region above the liquid ammonia solution in a reservoir. The ammonia gas is withdrawn from the reservoir by a pump... | 12/30/1980 |
| 4240736 | Developing apparatus for diazotype material, especially for use in a photoprinting machine This invention relates to an improvement in a developing apparatus, especially as part of a photoprinting machine, for developing diazotype copying material capable of being developed by an atmosphere containing gaseous ammonia and water vapor, including ... | 12/23/1980 |
| 4199249 | Method and apparatus for duplicating by means of ammonia gas Copies or duplicates are made from a suitable original such as a silver f or a diazofilm onto a further diazofilm by circulating the ammonia gas in a closed, evacuated circuit including the developing chamber. The ammonia gas is compressed in the develop... | 04/22/1980 |
| 4196999 | Developing apparatus for duplicating of film patterns on diazo-material by means of ammonia gas Film patterns are duplicated onto diazo-material in a developing apparatus which has a circulatory flow circuit with a pump for the developer ammonia gas to circulate the latter in sequential steps between a developing chamber and an ammonia gas supply co... | 04/08/1980 |
| 4181420 | Development device for developing sheets of diazo copying material This invention relates to a development device for developing sheets of diazo copying material, in particular microfiches, comprising a substantially gas-tight, closed development chamber adapted to contain a developer medium composed of ammonia gas and w... | 01/01/1980 |
| 4147422 | Method and apparatus for evacuating aqueous ammonia vapor from film developing chambers A diazo film developer which has a developing chamber that is kept at a temperature above the dew point for the film. Feed rollers disposed adjacent an intake opening of the chamber are maintained at a temperature above the dew point and advance film to b... | 04/03/1979 |
| 4135803 | Developing apparatus for high resolution photo-sensitive diazo plates An apparatus for developing high resolution photosensitive diazo plates by exposure to ammonia vapor is provided. The apparatus comprises a reservoir for aqueous ammonia, heating means for vaporizing said aqueous ammonia to produce humidified ammonia vapo... | 01/23/1979 |
| 4122473 | Developer residue waste eliminator for diazo machines The present invention provides a device for eliminating the residue waste of aqueous ammonia solution, comprising a first portion of ammonia gas and a second portion of steam, of a developer system in an ammonia type diazo machine. The device provides for... | 10/24/1978 |
| 4109268 | Apparatus for developing a photosensitive material using a vaporous ammonia-containing developer In a diazo copier, a first developing chamber for developing a diazo material employing an ammonia-containing vaporous developer, a second chamber adjacent an output aperture of the first developing chamber, a source of heat, and a suction device for draw... | 08/22/1978 |
| 4101918 | Developing apparatus for light-sensitive materials comprising an evaporator for evaporating a developer medium from a solution This invention relates to a developing apparatus for light-sensitive material comprising elongated open trough means, partition means in said trough means dividing said trough means into sections, means providing communication between said sections, inlet... | 07/18/1978 |
| 4062031 | Apparatus for producing a developer medium for diazotype materials In an apparatus for producing from a developer solution a gaseous developer medium for diazotype materials, which apparatus includes an inclined surface for passing the developer solution through a vaporizing region from a first end to a second end thereo... | 12/06/1977 |
| 4003069 | Method and apparatus for producing a developer medium for diazotype materials An apparatus for producing a gaseous developer medium for a diazotype material from a developer solution, which apparatus comprises a vessel provided with a heater and an outlet for residual liquid, for generating a stream of vapor from a liquid, A condui... | 01/11/1977 |
| 3986191 | Apparatus for developing diazo type film In a diazo developer apparatus which includes a chamber, slightly larger than the film to be developed, having continuously circulating ammonia gas uniformly distributed in the film area, ammonia gas entry and exit ports, a temperature control device for ... | 10/12/1976 |
| 3969741 | Apparatus for producing a developer medium for diazotype materials An apparatus for producing a gaseous developer medium for diazo-type material having a distillation column through which fluid developer solution and vapor pass counter-currently. An outlet on the distillation column is connected to a developing chamber. ... | 07/13/1976 |
| 3943538 | Developing apparatus with automatic temperature control In an apparatus for developing light-sensitive material with a gaseous medium comprising a developing station in communication with a vaporizer, at least one heater in each of said developing station and vaporizer, at least one temperature control inside ... | 03/09/1976 |
