Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 7213815 | Mechanic's creeper A mechanic's creeper (10) includes a pad (12) supported between a plurality of side rails (14) by a plurality of crossbars (15). The side rails (14) are of tear-shaped cross section such that no sharp edges are provided adjacent to... | 05/08/2007 |
| 7125083 | Wheel with dual density A wheel is provided for coupling to a bearing case at an outer cylindrical surface and a lateral annular surface of the bearing case. The wheel includes an inner wheel portion with an annular body defining a central hole with an inner cylindrical surface and a later... | 10/24/2006 |
| 7093839 | Hockey stop multi-line roller skate and wheels for use therewith A wheel with an asymmetrical cross-section for use with a roller skate. The wheel also has a tread portion that can be easily and inexpensively replaced. An apparatus for multi-line roller skates that has two or three lines of wheels. The wheels in the center line h... | 08/22/2006 |
| 7041186 | Method and apparatus for fabricating a bicycle wheel hub The wheel hub of a bicycle is made of a single part of structural fiber based material, typically carbon fiber material, after reticulation in a mould which exploits the expansion of a core to obtain the application of a radial pressure to the tubular body consistin... | 05/09/2006 |
| 6953225 | Dual hardness skateboard wheel A multi-element skateboard wheel having at least two different hardness surfaces including a softer center exterior surface and a harder side exterior surface. The softer center surface is the principal weight supporting surface which, because of its lower durometer... | 10/11/2005 |
| 6679560 | Wheel for an in-line skate A wheel for an in-line skate includes a hub having a central stem, two symmetrical upper wings that extend oppositely and sidewisely from the central stem, and two symmetrical lower wings that extend oppositely and sidewisely from the central stem. A soli... | 01/20/2004 |
| 6655747 | In-line roller skate wheel A polyurethane in-line roller skate wheel including a narrow hub mounting a polyurethane tire body having side walls curving axially inwardly from a major thickness to a minor thickness at the hub flange interface. In one embodiment, the hub is made of se... | 12/02/2003 |
| 6629735 | Skate wheel and method of making a skate wheel A wheel of the roller type, i.e., whose general shape is constituted by two sides the contours of which are circles with respective centers. O,O', the flanks being substantially parallel with respect to one another, substantially perpendicular to an axis ... | 10/07/2003 |
| 6619758 | Wheel and bearing assembly There is disclosed herein an improved and simplified wheel and bearing assembly, such as for skates and the like comprising a bearing inner race preferably formed of a plastic material such as polyurethane. A pair of bearing outer races, preferably of a r... | 09/16/2003 |
| 6279630 | Non pneumatic tires A new class of non-pneumatic tires is proposed, comprising an exterior torus and an interior torus and in the space between them a waveform undulating ribbon like structure having a constant wavelength and the undulating direction being perpendicular to t... | 08/28/2001 |
| 6131923 | Skate with single-blade truck, particularly with in-line wheels A skate with single-rail truck, particularly with in-line wheels, comprising a rail-shaped frame which is associable with a shoe and supports a plurality of in-line wheels, each wheel being formed by half-bodies arranged on opposite sides of the rail-shap... | 10/17/2000 |
| 6036278 | Multi durometer wheel for in-line skates There is disclosed an improved skate wheel for an in-line skate comprising a hub for rotation about an axis and a plurality of cores of material disposed about the hub to be coaxial therewith, the outer core of material being harder than the inner core to... | 03/14/2000 |
| 5990258 | High resilience, high clarity polyurethane elastomer A polyurethane elastomer possessing high resilience and high clarity is obtained by subjecting to polyurethane elastomer-forming conditions a polyurethane elastomer-forming reaction mixture comprising: a) an isocyanate selected from the group consisting of dip... | 11/23/1999 |
| 5924705 | Single-track roller skate and wheels for use therewith Single-track roller skate comprising at least three wheels which are disposed one behind the other and the rolling faces of which comprise in the cross-section substantially identical curvatures, wherein at least one front and/or rear wheel comprises at l... | 07/20/1999 |
| 5871262 | Precision super high strength wheel, roller and track tread consisting of isoplast or victrex peek with pure carbon fiber content, and with commercial carbon fibers forming an alloy on an improved tread locking insert wheel hub A precision wheel, roller and track tread product newly developed consisting of a wheel, roller and track tread material capable of carrying a very heavy load for its size mounted on a new tread locking assembly hub, roller shaft or track tread cleat. The... | 02/16/1999 |
| 5853226 | High performance in-line roller skate wheels with permeable cores High performance, light-weight skate wheels are produced with special permeable cores and without air bubbles for in-line roller skates to attain greater strength, speed, maneuverability and control. In order to facilitate rotation, one or more bearings a... | 12/29/1998 |
| 5823634 | Wheel, particularly for skateboards or rollerskates Wheel, particularly for skateboards or rollerskates, including a central hub with radial spokes, and a tire which is connected to the hub and which has wings arranged in the interspaces delimited by the radial spokes and the central hub. The wings are arr... | 10/20/1998 |
| 5527100 | Composite wheel for in-line roller skate In-line roller skates capable of riding at high speed on a skating surface and of being braked by the skater without the need for braking pads or similar expedients for this purpose. Each skate is provided with a set of composite wheels supported for rota... | 06/18/1996 |
| 5503466 | Skate wheel A skate wheel having a replaceable tread mechanically attachable to and mechanically detachable from a wheel hub. The wheel hub includes a central hub and a tread receiving ring around the hub outer radial periphery. A thread projecting from the tread rec... | 04/02/1996 |
| 5401037 | Composite wheels for in-line roller skates In-line roller skates whose wheels make it possible for a skater to stop without the need for a braking pad or other special expedients for this purpose. Each skate includes a boot to accommodate the skater's foot and a frame secured to the underside of t... | 03/28/1995 |
| 4219240 | Wheel for roller skates or the like A wheel construction comprising a bearing and a mantle circumscribing the bearing made of a given material, and a reinforcing ring of a material harder than the mantle which is embedded therein, the reinforcing ring having a circumferentially extending fl... | 08/26/1980 |
