"The production of too many useful things results in too many useless people."
Karl Marx
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8037911 | Wheel including tread coupled to rim Wheels and methods of making wheels are disclosed including an inner portion and a tread mechanically coupled to the inner portion. The tread may be mechanically coupled to the inner portion on an inside and an outside of the wheel. The inner portion may include a r... | 10/18/2011 |
| 7406989 | Cart wheel with static dissipative mechanism A wheel for a cart has a static dissipative mechanism. The wheel has a hub that has a central bore for receiving one or more bearings. The outer periphery of the hub has a conductive ring that has projections extending radially outward. The projections are surrounde... | 08/05/2008 |
| 7252126 | Device designed to be fitted around a wheel rim and comprising centering means A device, such as a safety support, comprising a body and a base, in which the base comprises at least one zone of resistance which is essentially circumferentially inextensible and is mechanically coupled to the body, and at least one centering zone which is mechan... | 08/07/2007 |
| 7231948 | Non-pneumatic tire A non-pneumatic tire comprising a toroidal-shaped tube having inner and outer circumferential surfaces and opposite side surfaces collectively forming a hollow chamber therebetween, the tube having at least two openings proximate the inner circumferential surface, a... | 06/19/2007 |
| 7219452 | Trench wheel apparatus and method of use A trench wheel has a relatively thicker wheel center and gradually tapering side walls that produce a thinner wheel as distance from the hub increases. The wheel center is preferably fabricated from stamped metal into a hat or thimble shape, and has a skirt or brim ... | 05/22/2007 |
| 7219707 | Enhanced hollow foam tire structure A hollow EVA foam tire structure includes a tire, a core and a rim. The core includes a plurality of sections substantially arranged into an annular shape and being hollow on both sides. A plurality of protruding block sections is disposed on the internal side of th... | 05/22/2007 |
| 7201194 | Non-pneumatic tire A structurally supported tire includes a ground contacting tread portion, a reinforced annular band disposed radially inward of the tread portion, and a plurality of web spokes extending transversely across and radially inward from the reinforced annular band and an... | 04/10/2007 |
| 7178779 | Resin molding die and production method for semiconductor devices using the same A resin molding die includes: a cavity; a resin inlet through which a liquid resin to be cured is injected into the cavity; and an air vent through which air is released to an exterior space of the resin molding die during injection of the resin, the air vent being ... | 02/20/2007 |
| 7156407 | Wheelchair tire A wheelchair tire has a carcass having a running profile applied to an interior side and optionally having a raised lettering. At least on an exterior tire wall, starting from a region later adjoining with wheel rim edges, to at least a first boundary plane extendin... | 01/02/2007 |
| 7129279 | Lightweight tire support and composition and method for making a tire support A polyurethane-polymer composition suitable for preparing a lightweight tire support includes at least one isocyanate, at least one polyol, and at least one chain extender. A polyurethane-polymer composition can also include an additive such as a catalyst, a filler,... | 10/31/2006 |
| 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 |
| 7114785 | Aerodynamic surfaced bicycle wheel A bicycle wheel includes a tire engaging portion located at the outward perimeter of the wheel, an inner portion located radially inward from the tire engaging portion A pair of air engaging side surfaces extend radially between the inner portion and the tire engagi... | 10/03/2006 |
| 7032980 | Non-slip wheel for a child's toy A wheel for a child's toy formed from a first and second section. The first section is made from a material having a Shore A durometer of 100 or less. The second section is disposed within the first section. The second section is made from a rigid material and provi... | 04/25/2006 |
| 6913324 | Blow molded wheel with axle retainer A molded plastic wheel includes a seamless annular body that is integrally molded from a first material exhibiting a first density and includes a hollow hub having an axle bore and hollow spokes that radially extend from the hub to a hollow box defined by planar fir... | 07/05/2005 |
| 6725711 | On vehicle tire air pressure detecting device and cast wheel mounting the device A rim drop section dented in a shape of a ring is provided on an inner side of a bead seat section of a rim for holding a bead section of a tire. Furthermore, a recessed section is provided on this rim drop section, and a detecting device main body of a tire air pre... | 04/27/2004 |
| 6502612 | Integral solid tire An integral solid tire is formed with an outer section and an inner foam section. The inner side portion of the outer section comprises a number of layers with one portion integrating to the inner portion of the outer section. When sulfur is added to the ... | 01/07/2003 |
| 6467519 | Tread-locking wheel A wheel system for securely mounting a tire thereon. The assembly includes a wheel having a rim with radially outward extending slots. A tire with radially inward extending protuberances mates with the radially extending members for securely mounting the ... | 10/22/2002 |
| 6463972 | Injectable safety support of elastomeric material for tires A safety support including a body and a base having a substantially cylindrical radially internal face intended to be mounted around a tire rim, the base including a set of substantially inextensible circumferential reinforcing wires wrapped in an elastom... | 10/15/2002 |
| 6450222 | Non-pneumatic tire having an elastomeric hoop A non-pneumatic tire having an elastomeric portion encompassing the tread and a radially inward foam portion. In the elastomeric portion, certain physical characteristics of the elastomeric portion differ between the tread surface and the radially inward ... | 09/17/2002 |
| 6431235 | Non-pneumatic tire and rim combination A non-pneumatic tire and rim whereto the tire is fitted as a wheel assembly that will display ride characteristics that are similar to those of a conventional pneumatic tire. The non-pneumatic tire is preferably formed from a urethane foam in a spin casti... | 08/13/2002 |
| 6408912 | Bicycle wheel assembly A bicycle wheel assembly includes a hub disposed coaxially in a metal rim. A spoke unit interconnects the hub and the metal rim. The metal rim defines a tire-retention groove to receive a foam tire therein. The foam tire has an inner section disposed in t... | 06/25/2002 |
| 6309025 | Roller skate wheel assembly A skate wheel includes a gas-filled tire tube that is secured to the tire rim of a bearing frame by molding a cover layer around the tube and frame to form an integrated wheel assembly which provides buffering and shock-absorbing functions during skating.... | 10/30/2001 |
| 6298891 | Non-pneumatic tire with double notched rim A non-pneumatic tire assembly includes a tread, a tire fill medium which may be urethane, and a metal membrane which separates the tread from the tire fill medium. The tread, tire fill medium, and metal membrane are secured to a rim with two notches. The ... | 10/09/2001 |
| 6227622 | Multilayer skate wheel A skate wheel and method of making the same are provided. The skate wheel includes multiple materials of differing durometers disposed on an inner hub. First, a solid or microcellular urethane is seated on an outer rim of the hub in a ring configuration a... | 05/08/2001 |
| 6189931 | Cargo carrier A cargo transfer carrier for use in the unloading of break bulk goods. The cargo carrier has a plurality of longitudinal frame members connected by a plurality of cross members with decking affixed thereto to form a horizontal carrier bed. The bed is of s... | 02/20/2001 |
| 6142203 | Resilient wheel with steel-banded press-on solid pneumatic tire The present invention relates to a resilient wheel for solid pneumatic tires in which a resilient rubber or rubber-like material is bonded and cured to a wheel hub. A rigid outer support band, such as a steel band, is then bonded to the resilient material... | 11/07/2000 |
| 6068343 | Skate wheel An in-line skate wheel including a hub that positions and supports a bladder generally about the center line of the hub. The wheel hub comprises an inner surface forming a bore for receiving a wheel axle, an outer circumferential surface spaced from the i... | 05/30/2000 |
| 6050648 | In-line skate wheel An in-line skate wheel includes an polyethylene closed cell foam ring surrounding the outer cylindrical surface of a hard plastic hub. Polyurethane is molded onto the outer cylindrical surface of the hub and surrounding the polyethylene ring. The polyethy... | 04/18/2000 |
| 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 |
| 5979992 | Hub and wheel assembly for an in-line skate A wheel assembly for use on wheeled devices such as in-line skates. The wheel assembly includes a hub having plurality of support elements radially extending from the exterior of the hub. Each of said plurality of support elements has a first end that is ... | 11/09/1999 |
| 5971495 | Roller skate wheel assembly A skate wheel includes a gas-filled tire tube that is secured to the tire rim of a bearing frame by molding a cover layer around the tube and frame to form an integrated wheel assembly which provides buffering and shock-absorbing functions during skating.... | 10/26/1999 |
| 5967618 | In-line roller skate wheel An in-line roller skate wheel is formed of a polyurethane tire injection molded onto a plastic hub, also formed by injection molding. The hub includes semicircular recesses along the outside rim to prevent the tire from slipping with respect to the hub. T... | 10/19/1999 |
| 5944390 | One piece wheelchair wheel A unitary wheel and tire assembly for a wheelchair having an axle that includes a wheel portion and a tire portion. The wheel portion is molded from a first material and has a hub for rotative mounting to the axle of the wheelchair, a plurality of spokes ... | 08/31/1999 |
| 5942068 | Method for making a non-metallic fiber reinforced wheel A method for making a non-metallic, fiber reinforced wheel for an in-line skate and similar rolling articles. Resin impregnated carbon fibers are compression molded to form a high strength and very stiff (i.e. rigid) annular hub having a central channel e... | 08/24/1999 |
| 5897170 | Skate wheel and method for making The present invention relates generally to a hub for a skate wheel. The hub includes a central core member defining a bore for receiving an axle. A central axis of rotation passes through the center of the bore. The hub also includes first and second anch... | 04/27/1999 |
| 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 |
| 5860707 | In-line skate wheel An in-line skate wheel includes an polyethylene closed cell foam ring surrounding the outer cylindrical surface of a hard plastic hub. Polyurethane is molded onto the outer cylindrical surface of the hub and surrounding the polyethylene ring. The polyethy... | 01/19/1999 |
| 5797658 | Skate wheel A wheel for an in-line skate includes a hub having a central core. First and second anchors extend radially from the core. The anchors are positioned on the core in spaced apart relation to define a material receiving volume between the anchors. A synthet... | 08/25/1998 |
| 5667280 | Skate wheel A skate wheel (10) having a configuration of hubs (24), tire (14), spacers (26) and bearing assembly (22) which firmly locks the tire in place and yet allows the tire, bearing assembly and spacer to be replaced independently from the rest of the wheel whe... | 09/16/1997 |
| 5660447 | Wheel for in-line roller skates A wheel for an in-line roller skate of the type having aligned wheels, wherein a hub has an axial hole within which there are receptacles for ball bearings and a supporting pivot. One or two rings concentric with the hole form a support for a moldable tir... | 08/26/1997 |