Celebrity Inventors
Actress Jamie Lee Curtis is a patented inventor - she created a diaper equipped with a premoistened baby wipe. And that's no act!
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.
| Number | Title | Issue Date |
| 8092070 | Gravimetric blender with power hopper cover A gravimetric blender has a frame, at least one material storage hopper at the top of the frame including a hopper cover, a weigh bin located within the frame, below the hopper, for receipt of material from the hopper to be weighed and being adapted for downward dis... | 01/10/2012 |
| 7810986 | Systems and methods for liquid dosing of material in a blender system Systems and methods for liquid dosing in blender systems are disclosed. An exemplary system includes one or more individual metering devices, each metering device including an individual material hopper for containing a granular material ingredient to be blended, a ... | 10/12/2010 |
| 7293909 | Apparatus and method for mixing by agitation in a multichambered mixing apparatus including a pre-agitation mixing chamber An apparatus for agitation mixing comprises a casing including a flow channel through which fluid passes, an agitation body consisting of a shaft installed in the casing and connected to a motor and an agitation blade mounted on the perimeter of the shaft, a powder ... | 11/13/2007 |
| 7270470 | Feed extender for explosive manufacture A feed device extends the run time for manufacturing explosive materials. The feed device includes a feed hopper for retaining processing materials where the feed hopper includes an access at the top of the feed hopper for inputting processing materials and an exten... | 09/18/2007 |
| 7175337 | Method and apparatus for mixing pulverous material with liquid Liquid is supplied within a substantially vertical mixing chamber in a substantially tangential manner from a chamber top section, such that the liquid is deflected for rotatory motion against a chamber wall while advancing, in response to a pressure difference, dow... | 02/13/2007 |
| 7048431 | Plastic processing machine for producing fiber-containing thermoplastics A plastics processing machine for producing fiber-containing thermoplastics includes an extruder, and a scale assembly having a weighing plate for determining an amount of fiber to be supplied to the extruder. A fiber feeding device supplies fibers from a take-off u... | 05/23/2006 |
| 6451165 | Channel pulper A pulper in a stock preparation system includes a housing with a fiber inlet, at least one water inlet, at least one outlet and an inner chamber. A plurality of rotatable augers extend into the inner chamber.... | 09/17/2002 |
| 6267495 | Blender apparatus with precision low-rate metering unit A blender apparatus with a plurality of metering units, including at least one precision metering unit for precision metering of solid particulate materials at low flow rates, the apparatus including a common hopper for receiving metered individual ingred... | 07/31/2001 |
| 5772319 | Material loader for injection molding press A material loader includes a material hopper, an air filter, a hopper support and a control box. The filter is positioned on top of the hopper, and the hopper is positioned on top of the hopper support. The entire unit is mounted directly over the throat ... | 06/30/1998 |
| 5282548 | Automatic color pellet selecting and supplying apparatus for injection molding machine An apparatus for automatically selecting one from color pellets of different colors and automatically supplying it to an injection molding machine, comprises: an auxiliary hopper connected to a pellet supply portion of the injection molding machine via an... | 02/01/1994 |
| 5213724 | Process and apparatus for determining the rate at which material is received by an extruder from a feed container A process of determining the rate at which plastic granules are received by an extruder form a feed container having an outlet which opens into the inlet of the extruder, in which process granules are continuously fed to a supply container and consecutive... | 05/25/1993 |
| 5148943 | Method and apparatus for metering and blending different material ingredients A plurality of individual plastic material ingredients are metered from respective individual material hoppers at controllable individual discharge rates, blended, and delivered to a common hopper. The blend of plastic material ingredients in the common h... | 09/22/1992 |
| 4728475 | Method of and device for admixing finely divided dye stuff into a synthetic granulate A synthetic granulate is fed into an extruder through an inclined upper part transiting into a short vertical lower part communicating with an inlet in the extruder. A down shaft of smaller diameter for feeding a stream of a dye stuff projects through the... | 03/01/1988 |
| 4629410 | Dual-hopper injection unit for injection molding machine A dual-hopper supporting structure for the injection unit of an injection molding machine which has a transverse horizontal guide plate slidingly guiding a hopper carriage. To the upper side of the latter are bolted the base assemblies of two raw material... | 12/16/1986 |
| 4175870 | Apparatus for feeding waste yarn to an extruder Method and apparatus for aspirating and propelling waste yarn into extruder or molding machine which comprises using a forwarding jet or yarn aspirator to feed a created wad of yarn into a hopper feeding pellets to an extruder or molding machine or the li... | 11/27/1979 |
| 4022440 | Method for producing plastic compound and an apparatus therefor A method for producing plastic compound comprises pressure-feeding a resin and an additive therefor into a barrel, and applying compressive force and shearing force on the resin and the additive in the barrel at a predetermined temperature in such a manne... | 05/10/1977 |
| 4021022 | Pigment metering and mixing apparatus Apparatus for continuously metering small amounts of comminuted plastic color pigment or concentrate in desired proportions to a volume of resin being supplied to an extruder. The feed of the color concentrate is accurately metered by a controlled electro... | 05/03/1977 |
| 3998439 | Apparatus for mixing materials in molding machines This invention relates generally to plastic molding machines and more particularly to a mixing chamber connected to a main hopper which is fed by an auxiliary hopper for mixing the materials from the main hopper and auxiliary hopper together wherein the m... | 12/21/1976 |
| 3948491 | Process for blending an additive such as colour pigment etc. with a plastic material and blending apparatus intended to be used for said process Process for blending an additive such as colour pigment etc. with a plastic material, wherein the plastic material for instance in the shape of granules, pellets, grains or powder is introduced into a first hopper equipped with a stirrer. The first hopper... | 04/06/1976 |
