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...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 7712996 | Fogging system for an asphalt recycling machine In one aspect of the invention, an asphalt recycling machine has a passageway in communication with a fluid source secured to a motorized vehicle and a fogging nozzle. The fogging nozzle is connected to an underside of the motorized vehicle. The fogging nozzle is al... | 05/11/2010 |
| 7695214 | Asphalt pavement remover An asphalt pavement remover includes a rectangular backplate for attachment to moving equipment, an L-shaped lifting blade attached to the front of the backplate and a wedge-shaped splitter attached to the L-shaped blade. The L-shaped blade includes an upstanding ar... | 04/13/2010 |
| 7422390 | Milling machine for machining ground surfaces as well as a method for the disposal of dusts and fumes produced during the milling at a milling machine Disclosed is an automotive milling machine for machining ground surfaces, comprising an engine frame (2), a movable milling drum (8) which is mounted on the engine frame (2), at least one conveying device (14,18) which is arranged on the ... | 09/09/2008 |
| 7419328 | Asphalt-removing machine having a plurality of blade members A work machine for removing asphalt from a roadway is disclosed. The work machine includes a plurality of blade members to remove asphalt from the roadway. The plurality of blade members are interconnected by way of hinges. ... | 09/02/2008 |
| 7413376 | Asphalt-removing machine having a funnel-shaped ramp A work machine for removing asphalt from a roadway is disclosed. The work machine includes a removal device configured to remove asphalt from a roadway surface, and a grinding device configured to fracture the removed asphalt. The work machine also includes a funnel... | 08/19/2008 |
| 7396085 | Pavement degradation tools in a ganged configuration An apparatus for degrading a paved surface includes two or more pavement degradation tools, each rotating about an axis. The pavement degradation tools are adapted to degrade a paved surface substantially normal to their axes of rotation. A linking mechanism links t... | 07/08/2008 |
| 7370916 | Rear loader road milling machine with height-adjustable sealing device A rear-loader road milling machine with a milling roll, which is arranged in a roller housing open on the bottom, and having an opening between a front part of the roller housing and a road surface, that faces in a direction of travel, which can be closed with a sea... | 05/13/2008 |
| 7357595 | Pavement removal machine Portland Cement Concrete with steel reinforcement mats or rods used in airport runways, highways, and other objects need to have the cement broken up for recycling or disposal and the steel mat reused or the steel recycled. The pavement removal machine lifts the con... | 04/15/2008 |
| 7325881 | Grinding machines for depression patterns along roads In certain preferred embodiments, the present invention provides a grinding machine for creating depression patterns in a surface such as asphalt or concrete. The depression pattern may be a rumble strip for alerting drivers who drift off a driving lane, or may be f... | 02/05/2008 |
| 7300225 | Apparatus and method for heating road building equipment A method and apparatus for heating hot mix asphalt (HMA), via collecting fumes from HMA while the HMA is on-board a vehicle and in motion within the vehicle, and igniting the HMA with engine exhaust and using the heat of combustion of the HMA to heat HMA, such as vi... | 11/27/2007 |
| 7284345 | Milling device for floors, rock, excavated material or other material The milling apparatus (1) has a bucket with a receiving chamber and has a milling unit with a milling rotor (14). The receiving chamber has a receiving opening (4) and is embodied as a bucket (2). On the bottom of the bucket (2), a... | 10/23/2007 |
| 7246456 | Linked mode for a multi-axis machine control A tool control system includes actuators to move the tool, a controller to permit either manual or automatic tool operation, and an output configured to display information pertaining to a position of the tool. In addition, the tool can be moved in either an indepen... | 07/24/2007 |
| 7237706 | Drop hammer Embodiments of the present invention pertain to a drop hammer comprising a load, an actuator connected to the load, and a fluid circuit that is connected to the actuator and is connectable to a fluid source, such as a source of hydraulic power. The fluid circuit is ... | 07/03/2007 |
| 7223049 | Apparatus, system and method for directional degradation of a paved surface An apparatus, system and method for directionally degrading a paved surface. A substantially cylindrical rotary tool may include cutting inserts embedded within its cylindrical surface. The tool may be rotated about a rotational axis extending from a top end of the ... | 05/29/2007 |
| 7201536 | Road patching equipment An improved asphalt patching machine which is mountable to a motor vehicle having a supply of asphalt patch material thereon. The patching machine comprises a dispensing and finishing assembly fed by a multi-part, articulatable conveyor which feeds asphalt patching ... | 04/10/2007 |
| 7198428 | Comminution machine A comminution machine included in an earth working machine which can be moved over a terrestrial area to be worked in a direction of working comprises a rotating roller comminution device. A grader blade is mounted on the comminution machine down stream from the com... | 04/03/2007 |
| 7192215 | Apparatus and method for erasing road lane markings An apparatus for erasing a road marking on a road lane comprising a chassis adapted to travel over the road lane; a heating source mounted to the chassis for directly or indirectly applying heat to the road marking; and a positively driven rotatable brush mounted to... | 03/20/2007 |
| 7179018 | Apparatus and method for working asphalt pavement A method and apparatus for working asphalt pavement, comprising one or both of a mechanical, hydraulic, electric, or pneumatic means for providing high-speed rotation; a rotary tool comprising a first end comprising a working surface and a second end adapted for con... | 02/20/2007 |
| 7168501 | Rotor system for ground milling or mine milling A rotor system for ground milling or mine milling comprising a base rotor provided with a number of support plates for accommodating tools. The tool support plates are detachably joined to the base rotor in the rotor system. A number of segments are radially arrange... | 01/30/2007 |
| 7144192 | Self-propelled road milling machine A self-propelled road milling machine includes a chassis (2) housing a rotatable milling roll (4) between lateral plates (12,13) disposed orthogonal to the axis of the milling roll (4). The milling roll (4) has a base body (14 | 12/05/2006 |
| 7144087 | Systems and methods for milling paving material with increased stability, support, and power Systems and methods for milling paving material. A self-powered milling system includes a cutting head to mill the paving material. The cutting head is powered by a milling system motor that speeds up production and enables the milling of very thick asphalt in a sin... | 12/05/2006 |
| 7131704 | Shiftable conveyor for road milling machine A material collection device for particles received from a processing device on a road processing machine. The material collection device comprises a guide having a material discard opening and an attachment face. A conveyor support is shiftably fixed to the guide a... | 11/07/2006 |
| 7107980 | Carpenter's marking device A device for assisting a user in marking an overhead surface to correspond with a mark on a surface below includes a substantially hollow housing having pressurized gas containers received therein. The pressurized gas containers are in communication with a projectio... | 09/19/2006 |
| 7104510 | Removable balancing assembly for rotating cylindrical structures The present invention provides an apparatus and a method for compensating for small variations in balance and alignment when supporting and rotating a massive cylindrical drum. The apparatus comprises a self-aligning flange having projections spaced 90° apart about... | 09/12/2006 |
| 7100702 | Turf aerator A turf aerator is provided with three aligned aerator shafts having aerator devices mounted thereon. The innermost shaft is mounted in a frame for free-willing operation and the two outer shafts are each connected to a motor through selectively controlled hydraulic ... | 09/05/2006 |
| 7096971 | Bi-directional drag grader A bi-directional drag grader comprising a rigid overhead support, attachable to a self propelled machine using a common receiver hitch or directly attached, a substantially rectangular rigid and collapsible frame, the frame having a leading edge and trailing edge wi... | 08/29/2006 |
| 7080888 | Dual nozzle hydro-demolition system A dual nozzle hydro-demolition system is mounted on a robot vehicle having a tower, with the robot vehicle and tower permitting the device to be positioned in any desired location on a vertical wall surface. The robot vehicle includes a plurality of tires and a moti... | 07/25/2006 |
| 7077601 | Hot in-place asphalt recycling machine A machine for providing hot-in-place recycling and repaving of an existing asphalt-based pavement, in which the pavement is first heated. Using this machine the heated pavement surface is then scarified, and new aggregate is dispensed onto it, to form a recycled, pr... | 07/18/2006 |
| 7066555 | Reinforced concrete milling/cutting mandrel In accordance with the invention as embodied and broadly described herein, the present invention features a milling mandrel attachable to a milling device and comprising a primary cylindrical barrel; a plurality of cutting bits removably attached to the primary barr... | 06/27/2006 |
| 7040837 | Self-propelled road milling machine with cooling system A self-propelled road milling machine is equipped with a cooling system comprising a fan for drawing in air, a cooler, and a suction channel. The suction channel has a vent opening facing the cooler and an intake opening. In relation to the longitudinal axis of the ... | 05/09/2006 |
| 7029370 | Grinding machines for depression patterns along roads In certain preferred embodiments, the present invention provides a grinding machine for creating depression patterns in a surface such as asphalt or concrete. The depression pattern may be a rumble strip for alerting drivers who drift off a driving lane, or may be f... | 04/18/2006 |
| 7028790 | Rotary drill bit A drill bit includes a body defining an axis and first and second cylindrical portions, a coupling adapted for connection with a rotary driver, and a depth stop adjustably secured to a first portion by a plurality of adjusting fasteners in a manner to limit penetrat... | 04/18/2006 |
| 7029072 | Modified rumble strip cutter A rumble strip cutting machine having a drum that can be shifted from one side of the machine to the other. The machine includes a piston wheel that imparts an up and down motion to the frame so that rumble strips can be cut at desired intervals as the machine is dr... | 04/18/2006 |
| 7021398 | Box scraper assembly A box scraper attachment is provided for mounting on the boom arms of a skid-steer vehicle or the like. The box scraper attachment includes a main frame having castor wheel assemblies mounted at the forward end thereof. A box scraper is selectively vertically movabl... | 04/04/2006 |
| 7004675 | Pavement recycling machine and method of recycling pavement A pavement recycling assembly includes a frame defining a grinding chamber and a mixing chamber. The grinding chamber carries a rotatable laterally-extending toothed grinding drum and the mixing chamber houses at least one toothed rotatable mixing wheel. A screed as... | 02/28/2006 |
| 6971783 | Recycled material and mixing machinery Site-won spoil from an excavation which is a predominantly non-granular cohesive material can be converted into a material suitable for immediate use as a backfill material by a process of mechanically mixing the spoil with between 0 and 30% by weight or volume of a... | 12/06/2005 |
| 6939079 | Hot-in-place asphalt recycling machine and process A process and device for the recycling of asphalt including at least one one preheater unit. The preheater having a heater, scarifying rakes, and a bin to dispense aggregate. Also include is a recycling machine having a heater, scarifying rakes, a plurality of exten... | 09/06/2005 |
| 6935252 | Fluid injection apparatus having biasing brackets The apparatus is propelled or towed in a longitudinal direction over a field and the apparatus components engage the field surface to inject fluid beneath the field surface. Generally, the apparatus is a frame and at least one series of fluid distribution discs rota... | 08/30/2005 |
| 6935587 | Mobile rock crushing plant A rock crushing plant including rock crushers, screens and conveyors. The assembly is modularized whereby major components and associated support structures are organized into movable modules that are independently movable from site to site over public roadways. The... | 08/30/2005 |
| 6923508 | Stripping means for milling rolls of a construction machine as well as a construction machine and a method In a stripping means for milling rolls (2) of a construction machine, comprising at least one stripping blade (8) arranged behind the milling roll (2) in traveling direction so as to be adjustable in height, which is able to glide over the surfa... | 08/02/2005 |
