William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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.
| Number | Title | Issue Date |
| 8119053 | Apparatus for three dimensional printing using imaged layers A three-dimensional printer adapted to construct three dimensional objects is disclosed. In an exemplary embodiment, the printer includes a first surface adapted to receive a bulk layer of sinterable powder, a polymer such as nylon powder; a radiant energy source, e... | 02/21/2012 |
| 8071007 | Three-dimensional bioresorbable scaffolds for tissue engineering applications The invention relates to the use of Fused Deposition Modeling to construct three-dimensional (3D) bioresorbable scaffolds from bioresorbable polymers such as polycaprolactone (PCL), or from composites of bioresorbable polymers and ceramics, such as polycaprolactone/... | 12/06/2011 |
| 8017055 | Three-dimensional printer A three-dimensional printer uses inkjet-type printheads to rapidly prototype, or print, a three-dimensional model. A powder feeder includes a conveyor system and a metering system to deliver powder to a build area in measured quantities. The powder feeder also inclu... | 09/13/2011 |
| 7939003 | Modular fabrication systems and methods The present invention relates to an article fabrication system having a plurality of material deposition tools containing one or more materials useful in fabricating the article, and a material deposition device having a tool interface for receiving one of the mater... | 05/10/2011 |
| 7767130 | Method and device for production of a three-dimensional article The invention relates to a method and device for production of a three-dimensional article from a material, by means of layered application. According to the invention, a dropwise application is carried out, whereby drops of reaction components are ejected by a nozz... | 08/03/2010 |
| 7758792 | Artificial bone forming method by powder lamination method An artificial bone forming method, comprising a) a powder layer forming step (32) for forming, into a flat powder layer (6), a powder bone material (5) having biocompatibility and hardening by hydration, b) a partial hardening step (34) f... | 07/20/2010 |
| 7718109 | Tissue support structure Techniques for generating tissue support structure are presented. A curved minimal surface shape is determined as a template for generating a tissue support structure. The determined curved minimal surface shape is numerically or functionally defined to create data ... | 05/18/2010 |
| 7648664 | Clamped quantized feed system for solid freeform fabrication A material feed system for solid freeform fabrication. The build material is delivered in discrete or quantized amounts by a clamp feed system in a non-flowable state to the dispensing device and the material is then changed to a flowable state prior to being dispen... | 01/19/2010 |
| 7625512 | Method and a system for producing an object using solid freeform fabrication A method of producing an object through solid freeform fabrication includes selectively depositing a boundary structure that defines a surface of the object, and depositing a flowable build material within the boundary structure, wherein the flowable build material ... | 12/01/2009 |
| 7572403 | Multisource and multimaterial freeform fabrication An apparatus for forming freeform solid articles includes a head unit having a plurality of arc-shaped support arms. The support arms mount material feeders and power sources which are directed at a work table. The material feeders, power sources and movement of the... | 08/11/2009 |
| 7534386 | Material and method for three-dimensional modeling A three-dimensional model and its support structure are built by fused deposition modeling techniques, wherein a thermoplastic material containing silicone is used to form the support structure and/or the model. The thermoplastic material containing silicone exhibit... | 05/19/2009 |
| 7435367 | Cement system including a binder for use in freeform fabrication A cement system for use in freeform fabrication includes a binder composition, which comprises an organic acid and/or an inorganic acid including a phosphate ion, a polyacid, and a primarily aqueous solvent. ... | 10/14/2008 |
| 7435464 | Articles comprising aqueous dispersions of polyureaurethanes Polyurethane particles dispersed in water can be used to make articles of commerce with reduced chance of chemical and biological allergic reaction to skin, and which exhibit improved puncture and tear resistance when compared to gloves made with other materials. | 10/14/2008 |
| 7435368 | Three-dimensional printer A three-dimensional printer uses inkjet-type printheads to rapidly prototype, or print, a three-dimensional model. A powder feeder includes a conveyor system and a metering system to deliver powder to a build area in measured quantities. The powder feeder also inclu... | 10/14/2008 |
| 7431879 | Process of producing three-dimensionally shaped object A process of producing a three-dimensionally shaped object comprising a layer forming step of forming a powder material having a refractive index n1 into a layer having a prescribed thickness on a support, a cross-sectional shape forming step of binding t... | 10/07/2008 |
| 7422713 | Hybrid organic-inorganic composition for solid freeform fabrication A method for solid free-form fabrication of a three-dimensional object includes depositing a particulate blend in a defined region, the particulate blend including reactive glass ionomer particulates, cross-linkable polyacid particulates including polyvinyl pyrrolid... | 09/09/2008 |
| 7402273 | Flash curing in selective deposition modeling A flash curing system for solid freeform fabrication which generates a plurality of radiation emitting pulses that forms a planar flash. The planar flash initiates curing of a curable material dispensed by a solid freeform fabrication apparatus. The radiation emitti... | 07/22/2008 |
| 7387757 | Methods for preparation of three-dimensional bodies Processes for mechanically fabricating two and three-dimensional fibrous monolith composites include preparing a fibrous monolith filament from a core composition of a first powder material and a boundary material of a second powder material. The filament includes a... | 06/17/2008 |
| 7389154 | Fabricating a three-dimensional object A three-dimensional object is fabricated from powder. A powder layer is deposited. The powder layer is selectively wetted to hinder movement of the powder. A binder is applied to selected areas of the powder layer to harden the areas of the powder layer. The steps a... | 06/17/2008 |
| 7378052 | Method and apparatus for producing free-form products A method and apparatus for producing products from a powered base material, by means of so-called free form fabrication, wherein the powder granules are bound together into a solid product. ... | 05/27/2008 |
| 7374712 | Method for building three-dimensional models from thermoplastic modeling materials The present invention is a method and apparatus for building three-dimensional models by deposition modeling techniques from moisture-sensitive thermoplastics. A feedstock of thermoplastic modeling material is dried to a low moisture content and supplied to a dispen... | 05/20/2008 |
| 7364218 | Automotive hardware carrier and method of making same The present invention provides for an improved hardware carrier for use in a trim panel assembly, and a method of making the same. To this end, the hardware carrier includes a body having a front and back surface and a seal molded to the front surface of the body fo... | 04/29/2008 |
| 7364686 | System and method for printing and supporting three dimensional objects A method for printing and supporting a three-dimensional (3-D) object is provided. The method of printing can include dispensing a first interface material for the construction of the three-dimensional object, dispensing a second interface material to form a support... | 04/29/2008 |
| 7357887 | Identifiable structures and systems and methods for forming the same in a solid freeform fabrication system Method and systems for producing three-dimensional objects. One exemplary method, among others, includes: forming an identifiable structure within the three-dimensional object. The identifiable structure within the three-dimensional object can be detected using a no... | 04/15/2008 |
| 7351051 | Powder sinter layered manufacturing apparatus A powder sinter layered manufacturing apparatus is provided with a first container 13 of a cylindrical shape for defining a first manufacturing region, a first manufacturing table 15 configured to move vertically along an inner wall of the first contai... | 04/01/2008 |
| 7347682 | Method and device for producing a workpiece with exact geometry A method and apparatus for the production of a workpiece of exact geometry and high surface quality, such as, for example, a forming tool, are disclosed. Preferably computer-controlled, the apparatus follows the method of the invention to produce the workpiece by ra... | 03/25/2008 |
| 7338624 | Ceramic manufacture for a composite ion transport membrane A method of producing a green form for use in manufacturing a composite, ceramic ion transport membrane is provided in which first and second ceramic powder mixtures are used to produce first and second layers of the green form. The first and second ceramic powder m... | 03/04/2008 |
| 7338275 | Formation of discontinuous films during an imprint lithography process The present invention is directed to a template having a body including a surface with first and second regions. The first region has first wetting characteristics for a given material and the second region has second wetting characteristics for the given material. ... | 03/04/2008 |
| 7328080 | Manufacturing methods and systems for rapid production of hearing-aid shells Methods, apparatus and computer program products provide efficient techniques for designing and printing shells of hearing-aid devices with a high degree of quality assurance and reliability and with a reduced number of manual and time consuming production steps and... | 02/05/2008 |
| 7326377 | Solid-free-form fabrication process and apparatus including in-process workpiece cooling A solid free form fabrication system for manufacturing a component by successively building feedstock layers representing successive cross-sectional component slices includes a platform for receiving and supporting the feedstock layers, a feedstock supplying apparat... | 02/05/2008 |
| 7323132 | Method of making three-dimensional object The invention relates to a method of making a three-dimensional object, comprising the steps of: (a) forming a powder material layer (10) of inorganic material; (b) irradiating an optical beam (L) on a prede... | 01/29/2008 |
| 7320770 | Method for making a quasi-incompressible phase-change material, shear-thinned and with low heat conductivity The process according to the invention includes the combination, with a liquid phase change material (PCM), of a texturing agent chosen so as to greatly reduce the thermal convection and whose viscosity is decreased reversibly under shearing. The material formed has... | 01/22/2008 |
| 7314591 | Method for three-dimensional modeling A three-dimensional model and its support structure are built by fused deposition modeling techniques, wherein a thermoplastic material containing silicone is used to form the support structure and/or the model. The thermoplastic material containing silicone exhibit... | 01/01/2008 |
| 7306758 | Methods and systems for controlling printhead temperature in solid freeform fabrication A solid freeform fabrication system including a three-dimensional fabricator with a plurality of pens and a controller configured to evaluate pen information and to control the pens to reduce a temperature of the pens. ... | 12/11/2007 |
| 7303712 | Method of injection molding and compressive decoration molding a molded product Injection molding of a product and compressive decoration molding of a surface of the molded product are performed using individual cavity molds. A decorative film can be molded efficiently with a thermosetting coating material under suitable temperature control reg... | 12/04/2007 |
| 7300613 | Process for producing three-dimensional model, and three-dimensional model A process for producing a three-dimensional model is provided. The process includes a step (layer formation step) of forming a layer of a powder material, the layer having a predetermined thickness, a step (cross-sectional shape formation step) of imagewise bonding ... | 11/27/2007 |
| 7296990 | Systems and methods of solid freeform fabrication with translating powder bins Solid freeform fabrication systems, powder supply bins for solid freeform fabrication systems, and methods of solid freeform fabrication are disclosed. One exemplary solid freeform fabrication system includes a powder supply bin, a build bin, a roller, and a print h... | 11/20/2007 |
| 7297304 | High-temperature modeling method A method for three-dimensional modeling builds up three-dimensional objects in a heated build chamber by dispensing modeling material from a dispensing head onto a base in a predetermined pattern. Physical and thermal separation are maintained between the heated bui... | 11/20/2007 |
| 7291002 | Apparatus and methods for 3D printing The invention relates to apparatus and methods for producing three-dimensional objects and auxiliary systems used in conjunction with the aforementioned apparatus and methods. The apparatus and methods involve continuously printing radially about a circular and/or r... | 11/06/2007 |
| 7290221 | User interface, method and apparatus for providing three-dimensional object fabrication status A method for providing three-dimensional object fabrication status includes the steps of: receiving data pertaining to three-dimensional object(s) fabrication progress; and controlling a graphical user interface to provide a visual representation of the three-dimens... | 10/30/2007 |