Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 8047558 | Heavy-duty vehicle axle/suspension system An axle/suspension system for a heavy-duty vehicle, in which the vehicle has a frame that includes a pair of hangers. The axle/suspension system is attached to the hangers, and includes an axle and a pair of suspension assemblies. Each of the suspension assemblies i... | 11/01/2011 |
| 8016531 | Axle spindle nut assembly for heavy-duty vehicles An axle spindle nut assembly secures a wheel end assembly on an axle spindle. The wheel end assembly includes outboard and inboard outboard bearings that are immovably mounted on the axle spindle, and a wheel hub which is rotatably mounting on the bearings. The spin... | 09/13/2011 |
| 7900393 | Landscape material and method for making same A landscape material includes a plurality of fibers. Each of the fibers includes a generally uniform length, such as in a range of from about 3.0 inches to about 10.0 inches, and a generally uniform cross sectional area, so that the landscape material generally is l... | 03/08/2011 |
| 7743803 | Stump grinding wheel A stump grinding wheel includes a wheel disc, which includes multiple recesses formed about its periphery. A peripheral cutter assembly is disposed in each one of the recesses and is mounted on the wheel disc. Multiple side cutter assemblies are mounted on the wheel... | 06/29/2010 |
| 7731300 | Hubcap for heavy-duty vehicles A hubcap for a wheel end assembly of a heavy-duty vehicle seals an outboard end of the wheel end assembly. The wheel end assembly includes a wheel hub formed with a cavity that contains lubricant, and the hubcap positively engages and mounts on the outboard end of t... | 06/08/2010 |
| 7731211 | Heavy-duty vehicle axle/suspension system An axle/suspension system for a heavy-duty vehicle, in which the vehicle includes a frame that extends in a longitudinal direction relative to the vehicle. The axle/suspension system is attached to the vehicle frame via at least one hanger and includes at least one ... | 06/08/2010 |
| 7658412 | Frame for heavy-duty vehicles A frame for a heavy-duty vehicle includes a pail of spaced-apart, parallel, elongated, and longitudinally-extending main members. At least a pair of transverse cross members extend between and are attached to the main members, and each one of at least a pair of hang... | 02/09/2010 |
| 7652562 | Vehicle temperature warning system and method A temperature warning system for a heavy-duty vehicle, having at least one axle formed with an inner diameter. The axle includes a pair of spindle ends, and a wheel end assembly rotatably mounted on each spindle end. A thermal switch is disposed in the inner diamete... | 01/26/2010 |
| 7600785 | Frame for heavy-duty vehicles A frame for a heavy-duty vehicle includes a pair of spaced-apart and longitudinally-extending main members. At least two cross members extend between and are attached to the main members. Each one of at least a pair of hangers is attached to and depends from a respe... | 10/13/2009 |
| 7585031 | Wheel hub with lubricant fill port A non-drive axle depends from a heavy-duty vehicle. Each one of a pair of wheel end assemblies is mounted on a respective one of the ends of the non-drive axle. Each wheel end assembly includes a pair of bearings mounted on a spindle of the axle, and a wheel hub rot... | 09/08/2009 |
| 7568710 | Steerable axle automatic lift sensor system A sensor system for actuating the lifting of a steerable axle of a wheeled vehicle includes at least one proximity switch mounted on a first structure of the wheeled vehicle and at least one magnet mounted on a second structure of the wheeled vehicle, wherein at lea... | 08/04/2009 |
| 7559521 | Bracket for anti-lock braking system sensor A bracket for securely positioning an anti-lock braking system sensor on a heavy-duty vehicle axle adjacent to wheel hub tone ring teeth is formed from a single piece of robust material such as sheet steel. A steel blank of a certain size and shape preferably is sta... | 07/14/2009 |
| 7506940 | Axle spindle and wheel end assembly An axle for a heavy-duty vehicle extends transversely across the vehicle and includes a central portion. Each one of a pail of relatively short and lightweight axle spindles is connected to and extends outboardly from a respective end of the axle central portion. A ... | 03/24/2009 |
| 7464948 | Distributed compliance axle/suspension system A distributed compliance air-ride axle/suspension system includes an integral structure preferably formed of a lightweight composite material, replacing traditional beams and an axle. The composite structure includes a plurality of plates of various sizes and shapes... | 12/16/2008 |
| 7455306 | Integral arm axle/suspension system An axle/suspension system for a wheeled vehicle, in which the vehicle has a frame, includes an integral arm structure that includes an attachment member for connecting the integral arm structure to the vehicle frame. A flexible transition member is connected to and ... | 11/25/2008 |
| 7357451 | Swivelable car seat A car seat for restraining a child during operation of a motor vehicle includes a base capable of being removably disposed on a selected motor vehicle seat. A seat unit is swivelably connected to said base. A locking assembly selectively extends between the base and... | 04/15/2008 |
| 7273082 | Tire inflation system apparatus and method A tire inflation system includes an air supply source in selective fluid communication with a tire via a pneumatic conduit. A method of inflating the system includes providing a tire pressure retention valve in the pneumatic conduit adjacent to the tire. An inflatio... | 09/25/2007 |
| 7207583 | Spacer apparatus for suspension beam bushing assemblies A spacer apparatus for insulating a beam bushing assembly of an axle/suspension system from direct metal-to-metal contact with the vehicle frame hanger on which the assembly is pivotally mounted. In one embodiment, an integrally-formed one-piece apparatus includes a... | 04/24/2007 |
| 7111739 | Wet fine particle sizing and separating apparatus A particle sizing and separating apparatus is disclosed. The apparatus includes a base and a frame that is movably connected to the base. A motor assembly is provided to vibrate the frame and at least two screens are connected to the frame. Means also are provided f... | 09/26/2006 |
| 6969804 | Connector for securing protection device to cable A connector for securing a protective sleeve about an electrical cable portion of an electrical cable assembly. The connector is formed of heat-shrinkable tubing and is slipped over the cuff of the sleeve and a portion of an adjacent plug of the cable assembly. Upon... | 11/29/2005 |
| 6948885 | Method for constructing foundation A method of construction includes positioning at least one support member (2) in the ground, forming a foundation (4) substantially adjacent the at least one support member, excavating ground beneath the foundation to a prescribed depth below the surfa... | 09/27/2005 |
| 6886266 | Vehicle alignment measurement apparatus and method A vehicle alignment measurement apparatus includes a first reference member removably mountable on a kingpin of a trailer and a second reference member removably mountable on selected ones of the trailer frame rails typically used to lock a movable slider having fro... | 05/03/2005 |
| 6715778 | Radio frequency-controlled axle/suspension lift system A control system for a heavy-duty vehicle such as a dump-type straight truck includes a portable radio frequency transmitter and a radio frequency receiver. The radio frequency receiver is operatively connected to a vehicle device or assembly which performs a functi... | 04/06/2004 |
| 6679386 | Low-density particle sizing apparatus and method An apparatus and method for sizing and separating particles of generally low-density materials includes a stand, a frame movably suspended on the stand by a plurality of suspension assemblies, and an elongated screen box mounted on the frame. The screen b... | 01/20/2004 |
