Famous Patents
The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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 |
| 7431231 | Portable shredding device The present invention relates to a shredder for comminuting or shredding organic material to use as organic fertilizer. The shredder has a material-receiving receptacle that is removably attached to a housing. The receptacle has shredding blades disposed on the inte... | 10/07/2008 |
| 7398937 | Shredding machine A shredder for pruning sarments and similar materials, comprising a frame provided with wheels on which are installed: a shredding group, a storage container and a conveying conduit of the shredded sarments from the shredding group to the storage container. The stor... | 07/15/2008 |
| 7066416 | Garden refuse shredding apparatus This invention provides garden refuse shredding apparatus (10) which has a chipping rotor (20) supported for rotation about a vertical shaft (31) in a chamber (11) which has a hopper (14) which feeds refuse to radially disposed elo... | 06/27/2006 |
| 6910648 | Garden refuse shredding apparatus This invention provides garden refuse shredding apparatus (10) which has a chipping rotor (20) supported for rotation about a vertical shaft (31) in a chamber (11) which has a hopper (14) which feeds refuse to radially disposed elo... | 06/28/2005 |
| 6592059 | Foreign matter entanglement-preventing device in working engine In a working engine including a bearing mounted on an outer wall of a crankcase for carrying a crankshaft, an oil seal mounted on the outer wall of a crankcase and disposed outside and adjacent the bearing, and a cooling fan which is attached to an outer ... | 07/15/2003 |
| 6494392 | Apparatus for disintegrating substances The apparatus has a holder having inner grip elements disposed at a periphery of the holder. A bearing assembly is rotatably attached to the holder so that it is co-axial with a first axis. A driving source is rotatable engaging the bearing assembly. A wh... | 12/17/2002 |
| 6237864 | Chipper shredder chute A shredder including a frame, a housing with a housing opening mounted to the frame, and a cutting blade mounted within the housing for use in shredding associated lawn debris is provided. The shredder also includes an engine mounted to the frame for use ... | 05/29/2001 |
| 6176444 | Glass container hammermill lifting device An apparatus and a method for lifting a glass container hammermill to enable a holding and storage receptacle to be placed beneath the hammermill is disclosed. The apparatus and the method may utilize a variety of lifting and locking mechanisms to lift an... | 01/23/2001 |
| 5988541 | Triturating machine with material selection and rotating compactor A refuse trituration-compaction machine including: a rotating loading inlet with a cylindrical portion and a pivoting sack-pushing flap for pushing material into the machine; a horizontal conveyor belt for transporting the refuse from the loading inlet to... | 11/23/1999 |
| 5988540 | Comminuting and distributing device for recycling yard waste A comminuting and distribution device for recycling yard waste is provided. The device includes a mixing tank mounted on an upper surface of a movable support structure. The mixing tank includes a slurry preparation structure therein for creating a slurry... | 11/23/1999 |
| 5860606 | Chipper/shredder having rotatable feed chute A chipper/shredder for comminuting debris such as leaves, twigs, branches and the like, comprising a housing having at least one inlet for receiving such debris, cutting elements disposed within the housing, an engine operatively coupled to the cutting el... | 01/19/1999 |
| 5836528 | Chipper A chipper has a housing formed with an intake defining a feed direction, a hollow drum rotatable in the housing in a rotational sense about an axis transverse to the feed direction and formed with a plurality of angularly spaced, radially throughgoing, an... | 11/17/1998 |
| 5833151 | Glass container hammer mill An apparatus and method for smashing empty glass receptacles into predetermined sizes to facilitate the collection, storage, transportation and recycling of glass chard and/or cullets is disclosed. The apparatus includes a cabinet or housing that is compr... | 11/10/1998 |
| 5799365 | Adjustable nozzle for chipper-shredder vacuum An adjustable nozzle for use with a chipper-shredder vacuum for vacuuming debris from an outdoor surface is disclosed. The nozzle has an inlet for directing debris into the nozzle. The inlet has a first side, a middle section, a second side, and a non-inl... | 09/01/1998 |
| 5791568 | Leaf vacuum/chopper An apparatus for vacuuming up and chopping material such as leaves has a housing having a main chamber centered on an axis, an inlet port opening axially into the chamber, and an outlet port opening tangentially of the chamber. A rotor disk in the chamber... | 08/11/1998 |
| 5707017 | Combination leaf and lawn debris blower, comminuting vacuum, and wood chipper An apparatus for comminuting lawn debris comprises an impeller housing defined by a pair of opposed axial end walls and a substantially voluted peripheral wall therebetween and includes inlet openings located on opposite end walls for introducing material... | 01/13/1998 |
| 5669563 | Chipper shredder with use-enhancing features Disclosed is a machine for comminuting lawn refuse and having a vacuum characteristic which is enhanced when organic debris is being fed into the machine grinding chamber through an opening other than that in the tube used to feed in small branches. The t... | 09/23/1997 |
| 5642864 | Chipper vacuum shredder system and apparatus A chipper vacuum shredder system and apparatus includes a chipper mechanism, a shredder mechanism and a vacuum mechanism carried by a mobile platform. The vacuum mechanism is coupled to a passage having a nozzle. The nozzle includes an adjustable baffle s... | 07/01/1997 |
| 5639033 | Insulation blower having hands-free metered feeding An insulation blower having hands-free metered feeding. Insulation is stripped from a supply bale and fed into a plurality of chambers of a rotating chamber wheel. The rate at which insulation is fed into the chambers is metered by a feeder assembly which... | 06/17/1997 |
| 5603459 | Chipper-shredder with enhanced user features A new chipper-shredder machine has a number of features selected with the user in mind. Such machine includes a laminated lightweight fan and comminuting assembly to accommodate the characteristics of an electric drive motor. The assembly drive shaft has ... | 02/18/1997 |
| 5413287 | Chopping device, particularly for house and garden wastes A chopping device for chopping waste material, in particular household and garden wastes, has a housing having a filling opening and a discharging opening for a waste material, a rotor rotatably supported in the housing between the filling opening and the... | 05/09/1995 |
| 5385308 | Chipper-shredder Disclosed is a machine for comminuting lawn refuse and having a refuse-receiving hopper with a hopper opening. An aspect of the invention involves a vacuum adapter attached to the hopper and substantially spanning the opening. The adapter has a collar for... | 01/31/1995 |
| 5381970 | Combination chipper/shredder and vacuum apparatus for lawns and gardens Multi-purpose apparatus having a single power-driven disc-like element to effect chipping of branches and related debris fed into a disc-mounted blade/aperture configuration on one side of the disc with a vacuum/volume reduction structure having fan blade... | 01/17/1995 |
| 5340035 | Combination chipper and shredder apparatus and lawn vacuum machine A combination chipper and shredder apparatus and lawn vacuum is obtained by providing an input chute or hopper on the machine that is movable to either of two positions by coupling the input chute to the wall of the chipping and shredding chamber with a c... | 08/23/1994 |
| 5322307 | Chassis for transportable mounting of vibrating equipment A chassis for the transportable mounting of vibrating equipment includes a main frame for supporting the vibrating machinery, a ground engaging wheel assembly at one end of the main frame, a ground engaging support bracket member positioned at the opposed... | 06/21/1994 |
| 5305959 | Inlet chute for chipper/shredder In chipper/shredder apparatus, an inlet extension secured to the inlet of the chipper/shredder, the extension being selectively movable toward and away from the chipper/shredder to effect a lowered position and a substantially upright position extending f... | 04/26/1994 |
| 5305587 | Shredding disk for a lawn mower A shredding disk for a lawn mower which attaches to the motor shaft and between the mower blade and the lawn mower deck. The shredding disk includes a disk member and a plurality of knives in a serrated fashion located inboard of the circumferential edge ... | 04/26/1994 |
| 5303753 | Bush cutting apparatus A housing is arranged to include a plurality of rows of projecting cutting wheels for projection into a bush to be cut, with the housing further including cutter knives mounted between adjacent coplanar pairs of the cutting wheels to effect the comminutin... | 04/19/1994 |
| 5294063 | Debris vacuum selectively usable as a hand-held and wheeled unit The combination of: a) a portable vacuum unit useable independently in a portable vacuum mode and having a housing defining an intake opening into which debris to be picked up is drawn and an outlet opening in communication with the intake opening, and st... | 03/15/1994 |
| 5279467 | Flail assembly for chipper shredder A chipper/shredder having rotatably driven shredding mechanism including a frame rotatable about a central axis, which frame has a plurality of axially spaced disc-shaped supports mounted thereon for rotation therewith and a plurality of carriers extendin... | 01/18/1994 |
| 5240189 | Debris shredder and rotor An apparatus for shredding debris from lawns and trees, such as twigs, leaves and like material has a housing in which a rotor is rotatably mounted about an upright axis. The plane of the rotor is thus generally horizontal and supported on a frame which p... | 08/31/1993 |
| 5231827 | Lawn and garden chipper shredder vacuum apparatus Lawn and garden maintenance equipment for collecting and shredding debris and chipping branches is provided with a wheel-supported housing having a handle for guiding the apparatus, the housing having a substantially closed bottom wall below the blades an... | 08/03/1993 |
| 5205498 | Cutter device for wood chipper A cutting device for a chipper used in cutting up garden waste, such as branches, foliage, grass or the like, includes a rotatable cutter disk cooperating with a stationary counter knife located within a cutter housing. The counter knife extends across th... | 04/27/1993 |
| 5199653 | Discharge assembly for chipper/shredder A discharge assembly controls the discharge of shredded and macerated materials from a chipper/shredder device. A discharge screen of the discharge assembly has a pair of fasteners on opposing ends of the discharge screen for removably mounting the screen... | 04/06/1993 |
| 5186225 | Three-dimensional material cutting assembly A light weight, mobile, and flexible holder assembly for cutting tools is described. It enables the user to make three dimensional adjustments to the orientation of the cutting tool so as to make cuts in a plurality of patters on workpieces of practically... | 02/16/1993 |
| 5156345 | Fan-type yard waste processing apparatus An apparatus for processing yard waste material such as branches, leaves, twigs or the like includes a hopper, a grinding mechanism disposed within a grinding chamber in communication with the hopper, and a fan mechanism disposed within a fan chamber in c... | 10/20/1992 |
| 5129588 | Apparatus of shrinking volumes of waste materials of foam resin products An apparatus according to the invention is for treating waste materials of foam resin products having been used mainly as packing or wrapping materials, which is provided with a crushing room furnishing stationary cutting edges and rotatably moving cuttin... | 07/14/1992 |
| 5102056 | Combination leaf and lawn debris comminuting vacuum and wood chipper A multipurpose reducer vacuum for vacuuming leaf, garden and lawn debris which uses circular grate bars and free swinging hammers to comminute the debris. The reducer vacuum mounts to the rear bumper of a pickup truck. An adjustable discharge chute is use... | 04/07/1992 |
| 5076504 | Poultry pulverizer A poultry pulverizer comprises a portable framework with a vertically oriented hopper secured thereto having an open top end and a lower end. A horizontally disposed shear wheel is positioned at the lower end of the hopper where it forms a bottom wall. Th... | 12/31/1991 |
| 5035367 | Apparatus for disposing of medical waste by crushing An apparatus for disposing of medical industrial waste by crushing comprises an opening for use in putting the industrial waste therethrough, a door for use in opening and closing the opening, a waste conveyor unit, a crushing unit for crushing the medica... | 07/30/1991 |
