...that "patent leather" got its name because the process of applying the polished black finish to leather was once patented?
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| Number | Title | Issue Date |
| 7563053 | Roller assembly A roller assembly is provided for connection behind a towing vehicle, for example a road grader vehicle. The roller assembly includes a frame supporting a plurality of walking beams extending generally in the forwarding working direction of the grader with packing r... | 07/21/2009 |
| 7354222 | Belted asphalt compactor A belted asphalt compactor and method are provided. The compactor includes a first unit with a roller frame. A second unit is coupled to the first unit, and is generally identical thereto. At least one mid roller and two end rollers are mounted in the roller frames,... | 04/08/2008 |
| 7334964 | Combination asphalt finishing machine A combination compacting and smoothing asphalt finishing machine comprising primary finishing elements which may be either compacting tires or smoothing rollers. The primary elements are driven and steered by engine and hydraulic mechanisms conventionally. The machi... | 02/26/2008 |
| 7124835 | Agricultural machine comprising a towed support frame and rollers provided with a set of dome profile pneumatic tires The machine comprises a given number of roller pairs respectively connected to the machine frame by a linking part (32). The linking part (32) of each roller pair is adapted so as to enable the rollers (12a, 12b) to incline ... | 10/24/2006 |
| 7044683 | Stripping device for a soil compacting roller and a soil compacting roller having such a stripping device A stripping device for a soil compacting roller having tamping feet is equipped with a spar on which are provided stripper teeth and an optionally adjustable spar mount which permits readjustment of the stripper teeth on the soil compacting roller. The spar preferab... | 05/16/2006 |
| 6793437 | Side-mounted shoulder compaction roller A compaction roller particularly useful for vibration compaction of the shoulder area of roadways. The compactor is designed as an attachment for side-mounting to self-propelled or motorized machinery (e.g. a skid steer front loader). The compaction roller contains:... | 09/21/2004 |
| 6345932 | System for alternately operating steering and offset mechanisms of compacting vehicle A control system for an industrial vehicle having an articulated frame with front and rear movably connected frame halves. The control system includes a steering mechanism disposed between the frame halves and is configured to pivot the rear frame half ab... | 02/12/2002 |
| 5851086 | Road surface condition changing apparatus provided on a vehicle A road surface condition changing apparatus which increases a coefficient of friction between a wheel of a vehicle and a road surface without using any consumable materials. A cylinder member is provided in front of the wheel of the vehicle. The cylinder ... | 12/22/1998 |
| 5562175 | Steering system for a surface compacting machine The invention relates to a dual steering system for a tandem-type surface compacting machine equipped with two independent steering modes, for example, a machine equipped with both frame steering (3) and with individual steering (6) of one of the rollers ... | 10/08/1996 |
| 5494375 | Wheel support member for compactor A mobile, ground compacting vehicle includes a front row of compacting wheels and a rear row of compacting wheels. The rear row includes two spaced-apart, driven wheel assemblies, each wheel assembly carrying a pair of rims, with a and tire on each rim. A... | 02/27/1996 |
| 5337833 | Machine for smoothing ground surfaces A machine for ironing golf greens employs two large-diameter rollers on opposite sides. Both rollers are hydrostatically driven, and they pivot in opposite directions for steering of the machine; one of them also oscillates.... | 08/16/1994 |
| 5154439 | Articulated utility vehicle An articulated utility vehicle having forward and rearward frame portions, each supported by a roller. A pair of fluid-powered rotary actuators are positioned between the front and rear frame portions of the vehicle. One actuator accomplishes side shiftin... | 10/13/1992 |
| 4913584 | Concrete screeding machine A screeding machine has mounted thereon, in a trailing position, a finishing roller 51 which is driven at a rotational speed sufficient to impart a polish or patina to the surface of the paving material.... | 04/03/1990 |
| 4793735 | Vibratory roller steering system A vibratory roller having four drums that can be vibrated. The drums are driven individually, and are mounted in pairs in respective supports. One of the supports is attached to a front frame, and the other support is attached to a rear frame. The object ... | 12/27/1988 |
| 4765773 | Microwave highway paint drying apparatus A mobile paint application and microwave drying apparatus has a downwardly open hollow frame forming a microwave cavity movable over a surface on rollers. The interior cavity of the frame is coated with microwave absorbent material, as are the rollers. Th... | 08/23/1988 |
| 4679962 | Automotive rolling machine Disclosed is an automotive rolling machine having a main frame section and a lengthy roller equipped to at least one side of the main frame section. The roller is tapered at the outer peripheries of its end portions, whereby, at the time of changing the a... | 07/14/1987 |
| 4662779 | Road roller A road roller includes a pair of rotatable roller drums each having axially opposite end portions and an axis of rotation, the roller drums pivot between a first position at which the roller drums are generally in line with the direction of travel with th... | 05/05/1987 |
| 4614486 | Portable apparatus for compacting and leveling a poured floor A machine for compacting and leveling a poured floor covering. The machine includes a frame having a pair of side members and a pair of parallel, ground engaging, cylindrical rollers rotatably supported on the side members and supporting the frame for mov... | 09/30/1986 |
| 4505349 | Steering means for, and in combination with, an articulated _vehicle In the embodiment disclosed, the invention comprises a single, dual-piston cylinder, operable by hydraulic fluid, interpositioned between a pair of pivotably coupled, vehicular units. The cylinder is pivotably secured to pivot coupling elements which join... | 03/19/1985 |
| 4471850 | Articulated vehicle In the exemplary embodiment shown, the vehicle is a drum-type asphalt compactor having a pair of drum-compactor units coupled together for steering articulation. The units have prescribed axes of travel, and are coupled together for travel with the axes i... | 09/18/1984 |
| 4109742 | Steering and width controls for expandable tandem rollers An hydraulic system controlling the steering and width of an articulated expandable tandem roller turns both rolls at the same time in opposite directions when the machine is being steered or in the same direction when being expanded or contracted. An ope... | 08/29/1978 |
| 3966345 | Tandem road roller A tandem road roller having a pair of rolls arranged one behind the other which are capable of both pivoting relative to each other to negotiate curves and being offset relative to each other to vary the width of the roller track. The roller comprises a f... | 06/29/1976 |
| 3947142 | Articulated pavement compacting machine A tandem drum-type pavement compacting machine having front and rear drums journaled in substantially identical yokes, each of which is connected with the chassis of the machine for steering rotation about a vertical axis which intersects the axis of its ... | 03/30/1976 |