Famous Patents
British merchant Peter Durand invented the tin can in 1810.
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 |
| 7228990 | Unitized fibrous construct dispensing system The present invention is directed to a method and system for transporting and dispensing fibers into an aggregate mix, and more specifically, to a method and system for transporting and dispensing unitized fibrous constructs into a mix without affecting the structur... | 06/12/2007 |
| 7114889 | Powdery particle conveying system and roots blower operating method A powdery particle conveying system is provided in which electric power consumption can be saved when powdery particles are conveyed by use of a roots blower. In the case where the powdery particles are conveyed to a reservoir tank near the roots blower, the frequen... | 10/03/2006 |
| 7080960 | Apparatus and method for transporting waste materials An apparatus for transporting solid waste drill cuttings material produced in the drilling of an oil or gas well, the apparatus including: a waste supply apparatus; a feeder to transport the material; a pneumatic conveying apparatus to which the material is transfer... | 07/25/2006 |
| 6776561 | Materials collecting apparatus with weighing and vacuum sucking functions A material collecting apparatus includes a frame with an upper supporting panel, weighing device sets hung on the panel, barrels hung on a respective weighing device set, dust collectors above a respective barrel, drawing devices connected with a respective one of t... | 08/17/2004 |
| 5660506 | Pneumatic apparatus and method for conveyance of frozen food items Pneumatic conveying apparatus and method are described to provide for a simple, economical, convenient (and preferably automatic) system for conveying small pieces of frozen food (e.g., chopped vegetables, diced meat, or preferably ice cubes or crushed ic... | 08/26/1997 |
| 5478172 | Apparatus for feeding ultrafine powder in quantitative batch operation Ultrafine powder is stored in a pneumatic transportation tank (20), and is discharged to a transporting conduit (23) while being fluidized by the pressurized air fed through a fluidizing air port (24). The ultrafine powder is fed to a weigher (30) provide... | 12/26/1995 |
| 5378089 | Apparatus for automatically feeding hot melt tanks One or more hot melt tanks are each periodically supplied by an air conduit which automatically transfers pellets from a storage container. A transducer assembly, positionable in the container, includes a vacuum transducer for the pick up of glue pellets ... | 01/03/1995 |
| 5147152 | Pneumatic suction conveyor means for the gravimetric dosing of bulk material components A suction conveyor or delivery arrangement for the gravimetric allocation of pourable material components to several demand stations has a storage container containing in each case one component connected by, in each case, one delivery line to a distribut... | 09/15/1992 |
| 5106238 | Device for transferring solid particles A device for transferring solid particles from an area of higher pressure to one of lower pressure. A stack-up section (3) between the areas is full of particles and large enough to reduce the current of gas flowing through the open stack-up section from ... | 04/21/1992 |
| 5040929 | Loading system for particulate materials A loading system for light particulate materials. A storage hopper for granular material includes an airlock by which the material is fed into an air stream. The air and accompanying material are fed to a distribution pipe with multiple flexible downward ... | 08/20/1991 |
| 4940131 | Material handling system and control valve thereof A rotary valve for use in a particulate material handling system having an elevated device for holding a supply of the particulate material, a lower material receiving device and a remote control device. The rotary valve includes a housing having a rotor ... | 07/10/1990 |
| 4850703 | Method of mixing pulverulent materials and device for practicing the same A method of mixing pulverulent materials and a device for practicing the method. In this method, the pulverulent material constituting a main material is continuously fed to a conveyor duct connected to a molding machine in fixed quantities while air is b... | 07/25/1989 |
| 4553880 | Hydra-pneumatic load sensor and signal system The present invention comprises a hydra-pneumatic load sensor and signal system including two stacked bellows, one filled with liquid, the other with a pressurized gas. Load on the sensor is initially supported by the gas filled bellows to a predetermined... | 11/19/1985 |
| 4491138 | Cigarette manufacture An apparatus for pneumatically feeding tobacco to a number of cigarette making machines having a plurality of conveyors. The conveyors feed tobacco onto a circular feed table where the tobacco is distributed to each of the cigarette machines. The table is... | 01/01/1985 |
| 4486100 | Apparatus for feeding synthetic resin powder to screw extruder An apparatus for the feeding of powderous resin material to a vacuum hopper is improved by providing at least one vertical pipe-line portion between the resin tank and the vacuum hopper, and disposing a flow restricting element such as an orifice in this ... | 12/04/1984 |
| 4345858 | Particulate material dispensing and weighing system and method A dispensing and weighing system for multiple ingredients, including a plurality of individual ingredient batch weighers. Each batch weigher includes apparatus to store and dispense a particulate material to a scale from which the weighed portion of the m... | 08/24/1982 |
| 4320559 | Animal hide conveying method and apparatus Hides are pulled from animal carcasses in a slaughterhouse, and conveyed upwardly through a pneumatic conveyor conduit for further handling. The conduit tangentially enters a vacuum chamber which is connected to a vacuum source. The chamber has a lower di... | 03/23/1982 |
| 4301880 | Device for pneumatic charging container-type balance The pneumatic feeding device for a container balance includes a stationary feeding conduit for the loose material arranged above the container and directed substantially perpendicularly through an adjustable coupling piece into the interior of the contain... | 11/24/1981 |
| 4245932 | Suction dredger and method of loading the same In a method of loading a suction dredger in which a suspension of sand and ater is pumped into the hold an effluent device is intermittently passed to lower and lower levels in dependence upon the weight of the load in the hold to an extent such that the s... | 01/20/1981 |
| 4235563 | Method and apparatus for feeding powder A method and apparatus for improving the flow of a powder from a source, such as a large hopper, to the intake of a conventional machine wherein such powder is compressed into tablets. Devices are arranged along the route of powder flow so as to restrict,... | 11/25/1980 |
| 4221507 | Microbubble feeding apparatus and method A method and apparatus are provided for the metered delivery of microbubbles, used for example, in the production of explosive compositions. Disclosed is a holding vessel with sufficient residence time to deaerate the microbubbbles with a level indicating... | 09/09/1980 |
| 4156546 | Method and apparatus for feeding powder A method and apparatus for improving the flow of a powder from a source, such as a large hopper, to the intake of a conventional machine wherein such powder is compressed into tablets. Devices are arranged along the route of powder flow so as to restrict,... | 05/29/1979 |
| 4118075 | Bulk material delivery apparatus Apparatus for discharging bulk material into a pneumatic conveyor conduit has two chambers, one disposed above the other, the upper chamber having an inlet orifice controllable by a pivotal closure flap and the lower chamber communicating with an outlet o... | 10/03/1978 |
| 4082364 | Method and apparatus for charging bulk material to a plurality of receiving stations A method of pneumatically feeding material in succession, through separators, to receiving stations, with conveying air being discharged from the system only at the last separator in the circuit. Conveying is stopped when the material reaches a predetermi... | 04/04/1978 |
| 3967858 | Cigarette filter rod transfer apparatus A pneumatic conduit cigarette rod transfer system includes an extended capacity rod hopper, a hopper rod level detector and a control arrangement responsive to such detector to pressurize the conduit and supply thereto rods for transmission to the rod hop... | 07/06/1976 |
