...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 8113592 | Automotive construction engine and lifting column for a contruction engine A road construction machine includes a machine frame, a working drum and a plurality of ground engaging supports. A plurality of lifting columns are connected between the machine frame and the ground engaging supports. Each of the lifting columns include two telesco... | 02/14/2012 |
| 8100481 | Self-propelled machine for cutting or milling, in particular a machine for working deposits by surface mining The invention relates to a self-propelled machine for cutting or milling, which has a chassis (1), which is carried by track-laying units or wheels and which has a cutting or milling arrangement (2) and an arrangement (8) for adjusting the heigh... | 01/24/2012 |
| 8075063 | Automotive machine for producing carriageways In an automotive machine (1) for producing carriageways by stabilizing insufficiently stable soils or by recycling road surfaces, with a machine chassis (4) supported by a running gear (2), a working drum (20) mounted to pivot in relation... | 12/13/2011 |
| 8025342 | Close proximity grinder A close proximity pavement grinder is utilized for grinding close to a raised structure such as a lower surface of curbs close to the curb wall. The grinding apparatus utilizes a wide grinding head with grinding blades mounted along the length of an arbor to grind t... | 09/27/2011 |
| 8002360 | Adjustable planer system Certain embodiments of the disclosure include planers with side plates which may be adjusted independently or simultaneously. In a preferred embodiment of the present invention, a planer with adjustable side plates is comprised of a planer housing enclosing a grindi... | 08/23/2011 |
| 7837276 | Close proximity grinder A close proximity pavement grinder is utilized for grinding close to a raised structure such as a lower surface of curbs close to the curb wall. The grinding apparatus utilizes a wide grinding head with grinding blades mounted along the length of an arbor to grind t... | 11/23/2010 |
| 7523995 | Milling machine Work machines such as road mills having a frame supported by tracked or wheeled ground engaging support units may require the ability to move one or more of the ground engaging units between projecting and retracted positions relative to the frame without reversing ... | 04/28/2009 |
| RE40505 | Apparatus for cutting rumble strips in a road surface A cutting head is provided for milling rumble strip depressions in a road surface. The cutting head has a center rotational axis and a transverse diameter that varies along the length of the rotational axis so that an outer cutting surface of the cutting head define... | 09/16/2008 |
| 7401862 | Construction machine A construction machine for machining floor surfaces, wherein the machine includes a milling roll having a plurality of tool holders on a surface thereof. A tool, especially a straight shank tool, is received in a tool receiving element of the tool holder in an excha... | 07/22/2008 |
| 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 |
| 7331636 | Electric milling machine A milling machine comprising a housing including a frame, a front wheel assembly supporting the housing, at least a first rear wheel assembly and a second rear wheel assembly supporting the housing, a milling drum mounted within the housing and extending below the h... | 02/19/2008 |
| 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 |
| 7287818 | Vertical milling apparatus for a paved surface A vertical milling apparatus for a paved surface has a rotary degradation element which has a top end connected to a carrier. The carrier is slideably attached to an underside of a motorized vehicle, and adapted to traverse the paved surface. The rotary degradation ... | 10/30/2007 |
| 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 |
| 7140693 | Milling machine with re-entering back wheels A work machine includes a frame (2) supported by a plurality of wheels or tracks (5), at least some of which are associated with respective lifting columns (32) adapted to raise and lower the frame (2) relative to the respective wheels or... | 11/28/2006 |
| 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 |
| 7073495 | Method and apparatus for cleaning concrete during cutting A concrete cutting saw has wheels and a rotating cutting blade that cuts a groove in the concrete surface. A support is mounted to the saw to support the concrete surface adjacent the cutting blade to reduce raveling. One or more nozzles are mounted to the saw and i... | 07/11/2006 |
| 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 |
| 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 |
| 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 |
| 6997641 | Road milling machine with steering gear A road milling machine has a driver's cab equipped with a floor plate and a steering gear mounted on the chassis of the road milling machine. The steering gear includes a console, on which a steering wheel is positioned. One end the console is fastened laterally to ... | 02/14/2006 |
| 6953303 | Substrate removal apparatus A substrate removal apparatus capable of cutting a plurality of aligned, precision slots in a variety of surfaces, such as concrete, asphalt pavement, and other composite substrates, utilizes high-pressure liquid cutting devices. Slots may be cut in pavement for suc... | 10/11/2005 |
| 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 |
| 6938805 | Refillable bottle and system of reuse A refillable container adapted to facilitate the purchase and use of larger volumes of consumer products and the selective discharge thereof. The refillable container includes a refill-discharge cap assembly allowing ease in filling the container while permitting th... | 09/06/2005 |
| 6916070 | Laser-based controller for adjusting the height of a machining tool of a construction machine A laser-regulating means for a construction machine for adjusting the height of a height-adjustable machining tool includes three laser measuring heads which are directed to three measuring points being spaced from each other on a reference surface, and an evaluatin... | 07/12/2005 |
| 6907874 | Concrete hole cutting machine A machine for cutting holes in concrete slabs comprises a connector adapted to be secured to an adapter of a front-end loader. Secured to the connector is a first frame structure that includes an elongated tube and a support foot for engaging the surface of a concre... | 06/21/2005 |
| 6612773 | Rumble strip cutter A rumble strip cutter machine having a nonoscillating main frame supported on round, ground-engaging operational support wheels with an oscillating moving frame generally coplanar within the main frame, moving slightly out of the common plane during oscil... | 09/02/2003 |
| 6547484 | Apparatus for cutting rumble strips in a road surface A cutting head is provided for milling rumble strip depressions in a road surface. The cutting head has a center rotational axis and a transverse diameter that varies along the length of the rotational axis so that an outer cutting surface of the cutting ... | 04/15/2003 |
| 6499809 | Apparatus for cutting recesses in pavement A pavement grinding apparatus includes a cutting device with a frame supporting the cutting device from above. Transversely extending parallel shafts have an offset connection imparting cyclical up and down motion to the cutting carriage and rotating arbo... | 12/31/2002 |
| 6457779 | Device for milling ground surfaces, specially roadways A device for milling off ground surfaces, especially roadways In a device for milling off ground surfaces (2), especially roadways, comprising a track assembly (4) supporting a machine frame (6), a rolling mill (8) supported in the machine frame (6) and e... | 10/01/2002 |
| 6402252 | Road-cutting apparatus A road-cutting apparatus for creating grooves or impressions in a road surface. The apparatus comprises a tool carrier with a rotatable cutter positioned adjacent thereto. A positioning control arm is hydraulically actuated to place the cutter in an opera... | 06/11/2002 |
| 6364419 | System for working the surface of a road An assembly is provided for excavating cavities in a road surface for a variety of purposes, among them, the formation of rumble strips, the installation of light reflective road markers, the milling of potholes, boring of holes for various purposes and t... | 04/02/2002 |
| 6343981 | Vehicle for scraping a floor A vehicle for scraping a floor has an adjustable blade with various widths mountable thereon and is an appropriate vehicle size for moving through a standard door.... | 02/05/2002 |
| 6328387 | Apparatus and method for removing floor covering An apparatus for removing floor covering consisting of a rotary milling device housed in a frame. The frame is supported, laterally, by hydraulicly powered elevating legs. The lateral legs are lowered to engage the milling device with the floor surface du... | 12/11/2001 |
| 6276758 | Surface miner with tilting superstructure for depth control A continuously operating surface miner designed basically with a milling roller for the accurate, selective mining of sedimentary beds. The parameters cutting height, cutting width and feed speed are decisive for the performance capacity of surface miners... | 08/21/2001 |
| 6247757 | Rotatable implement depth control apparatus A rotatable implement depth control apparatus consisting of a mounting plate having an upper end, a lower end, a forward face, a rearward face, a right side, a left side, and a lateral axis extending from the right side to the left side, the mounting plat... | 06/19/2001 |
| 6227620 | Forward mounted asphalt road mill apparatus A compact, easily transportable, surface preparation or road mill apparatus which includes a road mill housing or surface treatment unit having a cutter drum powered by its own power source. The apparatus also includes a mounting device for attachment of ... | 05/08/2001 |
| 6176551 | Surface preparation apparatus and method of using the same A compact, easily transportable, surface preparation apparatus which includes a surface treatment unit having a cutter drum powered by its own power source. The apparatus includes transport/support wheels and a tow bar preferably interconnected at each en... | 01/23/2001 |
| 6173512 | Scarifying machine with re-entering back wheels A scarifying machine for soil removal having a frame supported by a couple of front wheels and a couple of back wheels, a milling drum is in contact with the soil to be removed and supported by a rotating shaft connected to the frame. A motor is supported... | 01/16/2001 |
| 6152648 | Method and apparatus for controllably avoiding an obstruction to a cold planer A jump and return to grade function provides a means by activation of a switch to rapidly raise a milling machine to avoid an obstacle, then return the machine to the previous milling position. When the jump function is activated, the legs are extended at... | 11/28/2000 |