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| Number | Title | Issue Date |
| 8104947 | Concrete agitating drum driving device A concrete agitating drum (1) is driven by a hydraulic motor (81). A connection switch-over valve (20) is arranged to have a function to regulate a flow cross-sectional area of pressurized working oil supplied to the hydraulic motor (81) ... | 01/31/2012 |
| 7824096 | Auxiliary water tank and pump assembly for a concrete mixing vehicle A self-purging auxiliary fluid supply system for supplying washout or makeup water or other fluids under pressure to a truck-mounted concrete mixing/dispensing drum is disclosed. The system includes a truck-mounted fluid reservoir for containing a quantity of fluid ... | 11/02/2010 |
| 7744267 | Mixing drum drive ring A composite, heavy duty rotary concrete mixing drum (16) for coupling to a vehicle having a drivetrain (18) for rotating the drum (16) comprises a wall and a drive ring. The wall defines a first end of the drum and a second end of the drum. The ... | 06/29/2010 |
| 7175338 | Stand mixer A stand mixer is provided with wheels proximate the base. The base houses a mixing bowl capable of being placed into a locked position. When the mixing bowl is in the locked position, its handle faces outward. The mixer can be lifted with the handle to transfer the ... | 02/13/2007 |
| 7175189 | Booster axle pivot mount A mounting bracket is attachable to a vehicle frame for pivotally connecting a booster axle assembly comprising a pair of spaced arms, each arm having a first end, a second end, and an axle connected therebetween. The mounting bracket includes a U-shaped portion hav... | 02/13/2007 |
| 7147360 | Disposal of cement waste from chute An apparatus and method for collecting and transporting concrete waste comprises a container, a cart for supporting and moving the container and a lifting component attached to the frame of a cement truck for lifting the cart and container off the ground for transpo... | 12/12/2006 |
| 7101075 | Method of changing the weight distribution loading on a front discharge transit mixer The present invention is a front discharge transit mixer apparatus. In one form of the present invention the operator has an environment surrounde by a large viewing area so as to increase his ability to control the vehicle. Further, creature comforts include increa... | 09/05/2006 |
| 6957908 | Environmental shield for a truck mounted concrete mixer An environmental shield for reducing or eliminating leakage of materials from transit vehicles, including truck-mounted concrete mixers, is provided. The environmental shield preferably engages at least a portion of an opening on a mixer drum such that the leakage t... | 10/25/2005 |
| 6948844 | Olive stuffing method and apparatus Apparatus for stuffing pitted olives with an edible filling features a drum and drum holder, plus drive means for rotating the drum holder and drum about a selected rotational axis. Pitted olives are placed in a drum along with a quantity of filling, then the drum i... | 09/27/2005 |
| 6938455 | Grease supply confirming device and method A grease supply confirming device confirming the supply of a grease into a bearing, according to the present invention includes a detecting member an elastic supporting member and a movable body. The movable body such as a metal spherical body is movably provided in... | 09/06/2005 |
| 6902311 | Plastics drum for concrete mixing and methods of manufacture thereof A heavy duty rotary concrete mixing drum capable of attachment to a vehicle. The drum comprises a first end which engages a vehicle powered drive assembly which rotates the drum for mixing of said concrete and a second end from which mixed concrete is discharged. Th... | 06/07/2005 |
| 6876904 | Portable concrete plant dispensing system A computer controlled pumping and measuring system is used to dispense chemicals into a concrete mix. The redundant use of positive displacement pumps and flow meters ensure that any problems with the chemical dispensing are immediately caught. The computerized cont... | 04/05/2005 |
| 6733168 | Separating and sorting apparatus for asphalt An apparatus and method for testing asphalt in the field is described. The apparatus includes a motor for rotatively driving a chamber containing the asphalt to be tested. The chamber is rotated while cooler, ambient air is circulated through the asphalt particulate... | 05/11/2004 |
| 6726650 | Automatic liquid injection system and method A power assisted method and injector device for controllably delivering to patients a dispersion medicament or diagnostically active agent, the homogeneity of which is preserved throughout delivery. Diagnostically active agents disclosed are gas microbubble suspensi... | 04/27/2004 |
| 6363625 | Multiple drum mixing system A drying and mixing plant is provided comprising a tapered inner drum (1) and an oppositely tapered outer drum (4) attached together concentrically and rotated as a unit. A burner (37) directs a hot air stream into the small end (2) of the inner drum (1).... | 04/02/2002 |
| 6264361 | Drum insulating device for a concrete truck A drum insulating device for a concrete truck for insulating ready mix concrete trucks. The drum insulating device for a concrete truck includes a sheet of material having a pair of outer layers and an inner layer and further having a first portion and a ... | 07/24/2001 |
| 6220744 | Rotary barrel mixer and assembly A barrel mixer and assembly is disclosed. The barrel mixer comprises a rotary mixer barrel and a support for the rotary mixer barrel. The support includes a tipping arrangement for the barrel, wherein the support limits tipping of the barrel between a mix... | 04/24/2001 |
| 6149290 | Front discharge concrete vehicle having two operator stations in a cab enclosure A front discharge concrete vehicle includes a chassis having a front end and a rear end, a mixing drum supported by the chassis having a first end and a second end, a support column extending between the chassis and the second end of the drum to support t... | 11/21/2000 |
| 6062716 | Front-end discharge concrete mixer truck A front-end discharge concrete mixer truck which includes a truck chassis with frame rails wherein the frame rails are spaced apart a distance greater than 34 inches. The truck chassis having a front end and a rear end. An engine is mounted to the truck c... | 05/16/2000 |
| 6040013 | Vacuum tumbling of meats and other foods Pieces of meat are tumbled with a marinade in a tumbler that has a smoothly continuous surrounding side wall with no protrusions or baffles or other protrusions contacting the pieces of meat. The tumbler is rotated about the axis of the side wall and gas ... | 03/21/2000 |
| 6039468 | Washout assembly for cement mixer vehicle A washout bucket which receives waste water and concrete material washed from equipment used to deliver concrete material from the mixing drum of a cement mixer truck to a desired location on a job site, is used in cooperation with a tag axle assembly piv... | 03/21/2000 |
| 5964225 | Tobacco treatment cylinder and method A tobacco treatment system comprising a rotatable cylinder and a plurality of axially directed flights, with each flight having a forward side and a back side relative to the rotational motion of the cylinder, with both the forward and back sides being co... | 10/12/1999 |
| 5868494 | Wheeled motorized mixer A mixing apparatus, comprising, a frame, a pair of handles secured to the frame with each handle having a proximal and a distal end thereto and a pair of downwardly depending support elements. A first wheel is secured to the distal ends of the pair of han... | 02/09/1999 |
| 5741065 | Cleaning system and methods for a mixing truck The invention provides systems, methods and apparatus for cleaning a mixing truck by removing and recycling any non-delivered material. In one exemplary system, the invention is preferably attached to a mixing truck having at least one delivery chute and ... | 04/21/1998 |
| 5730523 | Portable concrete plant A portable concrete plant that can be transported on a single vehicle to a construction site consists of a transporting vehicle, a rotating drum for mixing the concrete, containers for sand and crushed rock, a scale for weighing a mixture of sand and crus... | 03/24/1998 |
| 5676460 | Hinged safety rail for a concrete mixing truck A concrete mixing truck having an apparatus for mixing materials used to make concrete includes a mixing product receiving and delivery assembly, a platform, which is located proximate the mixing product receiving and delivery assembly for providing opera... | 10/14/1997 |
| 5403085 | Process for introducing material into a treatment device In an apparatus for heating and mixing a particulate material composition, an elongated drum is supported for rotation on a frame and hot gases are supplied to the drum at an output end of the drum and directed toward an input end. An outer shell encircle... | 04/04/1995 |
| 5376175 | Method and means for uniformly coating particulate material An apparatus is provided for uniformly coating particulate material. The apparatus includes a frame, a cylindrical drum rotatable about an axis tilted with respect to a horizontal plane, and a spray nozzle extending into the drum so as to spray a coating ... | 12/27/1994 |
| 5127740 | Concrete reclamation system and method for utilizing same A system and method for reclaiming unused portions of mixed concrete by adding a chemical agent to retard the hydration state of the concrete for up to several days. When the stored concrete is again desired for use, a chemical accelerating agent is added... | 07/07/1992 |
| 5033405 | Granulating and coating apparatus A granulating and coating apparatus comprising a rotary drum to be charged therein a powdery or granular material, and a baffle plate provided in the rotary drum and not rotatable together with the rotary drum. The rotary drum is formed to be a polygonal ... | 07/23/1991 |
| 4812044 | Tag axle assembly with limit switch A concrete mixing vehicle having a retractable tag axle assembly and a distribution chute is disclosed. To ensure that the tag axle assembly does not come into contact with the distribution chute as the tag axle assembly as it moves between a first ground... | 03/14/1989 |
| 4786179 | Emergency protection apparatus and method for concrete mixer trucks disabled in the field The invention includes apparatus and method for inhibiting the hardening of a wetted concrete premix in a filled concrete mixer including providing a rotatable concrete mixer drum having a plurality of sealed apertures located throughout the entire length... | 11/22/1988 |
| 4762421 | Tag axle assembly for work vehicles An auxiliary tag axle assembly for a work vehicle such as a ready-mix concrete truck which is positionable via actuation of a linear actuator to extend the wheel assembly from the rear end of the vehicle's frame to a ground engaging disposition and retrac... | 08/09/1988 |
| 4750840 | Manually operated portable mixing device A manually operated portable mixing device is provided in which a frame of knockdown construction provides means for rotatably supporting a mixing drum of centrally expanded cylindrical contour in a manner to dispose the drum axis at an angle of about 20 ... | 06/14/1988 |
| 4569648 | Self-cleaning rotating drum The invention relates to a rotating drum having a lining which avoids caking-on, the rotating drum being lined with movable elastic material basic webs fitted at a distance from the inner side of the drum and the securing positions of the basic webs being... | 02/11/1986 |
| 4521116 | Mixing apparatus with removable drum liner Improved apparatus for mixing concrete or the like is described and includes a support frame, a rotational drive mounted to the frame, a drum liner support rotatably connected to the rotational drive and a drum liner connected to and supported by the drum... | 06/04/1985 |
| 4311396 | Truck mixer A truck mixer allowing the operator to carry out direct visual control of the loading and unloading operations of the concrete, has the concrete mixer mounted on the truck with its loading and unloading mouth located at the forward portion of the vehicle ... | 01/19/1982 |
| 4273000 | Drive mechanism for a drum A relatively large drum which is supported by rotation about a horizontal axis of rotation is driven by a drive mechanism. The above mechanism includes an energizable rotor that is resiliently and rotatably supported, and in frictional contact with the ci... | 06/16/1981 |
| 4272212 | Method and apparatus for rejuvenating and recycling asphalt A process for rejuvenating and recycling used asphalt and a machine including a pugmill mixing chamber for mixing crushed asphalt supplied thereto and for mixing water, calcium oxide and asphalt oil therewith is disclosed. The water and calcium oxide mixt... | 06/09/1981 |
| 4240754 | Asphaltic concrete patch mixing and heating apparatus and method An apparatus for heating and mixing an asphalt-aggregate composition comprises a drum rotatable about an axis, having a mixing and heating chamber with a restricted port at one end into which a flame and hot gases of combustion are directed and through wh... | 12/23/1980 |
