Did You Know...
...that the Eveready Battery began as an invention called the "electric flowerpot," which was a tube with a battery and light bulb inside? The idea was to fasten this gizmo to the side of a flowerpot so it would illuminate the flowers from the bottom. The idea died on the vine and the businessman who licensed the flower pot, Conrad Huber, was left with a pile of useless tubes -- until he found a way to market them as batteries to light the world!
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| Number | Title | Issue Date |
| 7975851 | Soil remediation apparatus A soil remediation apparatus comprises: a trommel screen having an inlet and an outlet; a trommel screen housing, and air extraction means operable to extract contaminant vapors volatilized by the trommel screen during soil aeration from the housing and to contamina... | 07/12/2011 |
| 7581647 | Shale shaker A shale shaker (10) or vibratory separator which, in one aspect, has a base (22), vibration isolation apparatus on the base (22), a basket (12), mount apparatus (16) for mounting the basket on the base (22), and at least one... | 09/01/2009 |
| 7441661 | Solids/liquids separator A separator for separating solids and other objects (debris) from a liquid, and having a separator body (2) through which the liquid, having debris entrained therein (16, 19, 20), flows from an inlet (6) to an outlet (13), and a port (... | 10/28/2008 |
| 7354190 | Two-stage mixing system, apparatus, and method A two-stage mixing system, apparatus, and method produces a solution including a first substance and a second substance in a predetermined ratio by first mixing the first substance with a first liquid to produce a first solution and then mixing the first solution wi... | 04/08/2008 |
| 6499603 | Screen for cleaning pulp suspensions A screen for cleaning a pulp suspension including a cylindrical screen basket and a double-conical accept chamber which widens in the flow direction of the pulp suspension.... | 12/31/2002 |
| 6257413 | Screen panel Screen panels are disclosed which are adapted to form a portion of a screening cylinder for screening fibrous material. The screen panels are unitary and made of wear-resistant material including a plurality of axially extending grooves on the outer surfa... | 07/10/2001 |
| 5794810 | Scuttle for pouring pelletized wood fuel A scuttle device for pouring frangible, extruded wood pellets through a slot-like fill port of a hopper of a pellet-burning stove, the device having a wall formed to provide a pellet containment cavity, and having a top cap formed with an opening for fill... | 08/18/1998 |
| 5685978 | Reclaiming the constituent components of separating and uncured concrete A portable, self-contained concrete reclaimer for use at construction sites to collect, break-down, and transport uncured waste concrete washed from concrete delivery equipment, to recycling facilities for use in the manufacture of fresh concrete. The con... | 11/11/1997 |
| 5215196 | Device for separating popcorn from unpopped kernels A device is described that includes a compartment for receiving the popped popcorn after it is popped, which will include unpopped kernels, shells and related debris. The compartment has an open top with a separate lid as a cover and a bottom in which is ... | 06/01/1993 |
| 5186333 | Top cover clamp for screening machine Disclosed is a clamp for securing the top cover of a screening machine. Clamping is not subject to galling or seizing and the force exerted is not temperature or displacement dependent. The clamp is air pressure operated, with super-atmospheric pressure b... | 02/16/1993 |
| 5150796 | Retractable, air pressure actuated hold-down clamp Disclosed is a clamp for securing the cover of a screening machine. The clamp is air pressure operated, both to apply clamping force and to retract or swing the clamp out of the way when it is open. Super-atmospheric pressure is applied for clamping; suba... | 09/29/1992 |
| 5012765 | Cat litter screening device An improved animal waste collection and screening device having two litter pans in opposed orientation, an opened face of a first litter pan in facing arrangement with an open face of the second litter pan with a screen member in interposed relationship b... | 05/07/1991 |
| 4952309 | Auger-type flour sifter A flour sifter for separating doughballs from fine particulate matter in a breading mixture, comprises a hopper for receiving the breading mixture. The lower portion of the hopper includes a sifting screen along most of the longitudinal length that is siz... | 08/28/1990 |
| 4699713 | Seed cleaner A seed cleaning device includes a frame and first and second screened grids, each of which is pivotably mounted to the frame. Two crankshafts are mounted to the frame and are coupled to one another to remain 180 degrees out of phase with respect to one an... | 10/13/1987 |
| 4469230 | Sorting cylinder for seeds and other grains A sorting cylinder for seeds and other grains with a horizontal, driven calibrating cylinder (11) resting on rolls (22, 23, 24, 25) and with a stationary machine casing (1) surrounding the calibrating cylinder (11) which has an inlet (4) for the material ... | 09/04/1984 |
| 4384952 | Grain cleaning apparatus A grain cleaner having a plurality of cleaning sections radiating outwardly from a grain inlet. Each cleaning section has upper and lower downwardly sloped screens over which grain flows by gravity to sift out fine foreign material. Upper and lower foreig... | 05/24/1983 |
| 4222864 | Drum-type screening machine A drum type screening machine has a centrifuging rotor within it. A perforated retaining element is carried by the shaft between a feed inlet and an entry region of the drum. The perforations of the retaining element are small enough to retain the foreign... | 09/16/1980 |
| 4124498 | Semi-cylindrical oscillating sifter A power driven oscillating sifter oscillated by a motor driven crank arm with the sifter having a pair of end plates and a central baffle all secured to the shaft. A perforated semi-cylindrical sifter panel is detachably secured to the end panels by means... | 11/07/1978 |
| 4046682 | Toner reclaiming system Toner particles which are removed from a photoconductive drum are trapped by a moving filter at a toner collection station and on movement of the filter to a toner discharge station, the toner is discharged into a toner reservoir. The filter may be of suc... | 09/06/1977 |
| 3957631 | Portable screening apparatus A portable screening apparatus comprises a base assembly having a two wheel assembly associated therewith. A shaft is journaled through a block member affixed onto the base assembly, wherein a handle member is affixed onto the outer end of the shaft. A fr... | 05/18/1976 |
