Bizarre Patents
Pet Toilet-Like Water Disk and Food Storage
One pet-friendly inventor patented "a device for watering pets, e.g., a dog or cat." The device, he helpfully noted, "has the general shape of a toilet."
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| Number | Title | Issue Date |
| 8002361 | Method of manufacturing and assembling a decorative skate wheel There is an apparatus comprising a two-part hub system that can be used to make decorative wheel designs customizable, easier to assemble, and in a more cost effective way to manufacture. By splitting the hub into two parts, each individual hub part can be economica... | 08/23/2011 |
| 7284299 | Caster A moveable body includes at least one caster. The caster has a yoke, a wheel supported on the yoke, and an interface member for attaching the caster to the moveable body. Additionally, the caster is configured so that a noise level of the moveable body as the moveab... | 10/23/2007 |
| 7100725 | Robotic cart pulling vehicle A robotic cart pulling vehicle includes a positioning error reducing system for reducing accumulated error in the ded-reckoning navigational system. The positioning error reducing system including at least one of a low load transfer point of the cart attaching mecha... | 09/05/2006 |
| 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 |
| 7090306 | Inline wheel with softer tire and internal support structure A skate wheel including a tire support structure adapted to reduce roll resistance generally encountered from a tire comprising a 60 A to 75 A Shore hardness material. The tire support structure comprises a flexible torus portion proximal to an inner core, and a sub... | 08/15/2006 |
| 6752471 | Stroller wheel structure A stroller wheel structure includes a wheel frame and a stroller wheel coaxially mounted thereto. The wheel frame includes a hub body for rotatably mounting to a stroller and a ring shaped rim body, which is coaxially mounted to the hub body, having a first side, an... | 06/22/2004 |
| 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 |
| 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 |
| 6033612 | Method for making a non-metallic, fiber reinforced wheel A method for compression molding a composite, fiber reinforced wheel. The strength, stiffness and reliability of the wheel is maximized so as to resist failure under high shear and other mechanical loads by controlling the orientation of non-metallic fibe... | 03/07/2000 |
| 5915703 | In-line skate axle and related assembly method A three piece in-line skate axle and related assembly method for in-line roller skates. Advantageously, the three piece configuration provides improved load bearing stress points along the axle. In addition, the center member can be varied in size accordi... | 06/29/1999 |
| 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 |
| 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 |
| 5765928 | Method of constructing a reusable in-line skate wheel A method of constructing an in-line skate wheel provides a hub assembly that is entirely reusable after a perimeter tire section is worn and disposed of. This wheel assembly creates an entrapment of component forms within this tire section that is locked ... | 06/16/1998 |
| 5733015 | Wheel with a semi-permanently enclosed annular material A wheel, preferably adaptable for use with a skate, is provided having a semi-permanent stiffness-modulating insert. The wheel comprises a toroidal wheel component having a hollow toroidal core which can be filled with a stiffness-modulating material. The... | 03/31/1998 |
| 5720529 | Roller skate wheel A wheel for inline roller skates to allow oblique and lateral rolling movement includes an annular hub for mounting to axles associated with the roller skate with the hub having a circumferential groove formed thereabout with the groove being defined by c... | 02/24/1998 |
| 5692809 | In-line skate wheels An in-line skate wheel has a tire attached to a rim that mates to form a relatively rigid interlocking assembly with a wheel hub having concentric inner and outer hub rings interconnected nearly adjacent their outer edges by radially extending vanes. To e... | 12/02/1997 |
| 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 |
| 5567019 | Wheel for in-line roller skates A wheel construction generally consisting of a hub section formed of a thermoplastic polyurethane material having a first durometer hardness and a rim section formed of a thermoplastic polyurethane material having a second durometer hardness less than the... | 10/22/1996 |
| 5542752 | Wheel product comprised of a new wheel tread lock and a new wheel tread material A wheel tread locking circular groove invention designed primarily to bond very difficult to bond materials to a given wheel hub or wheel rim without an adhesive which could be used for commercial, industrial, automotive, and all other purposes where a re... | 08/06/1996 |
| 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 |
| 5460433 | Skate wheels A skate wheel includes a reusable hub and a replaceable tire. The hub consists of (i) a rim with an integral clamp ring, (ii) an attachable clamp ring that attaches to the rim after a tire is mounted on the rim and (iii) a threaded ring which fastens onto... | 10/24/1995 |
| 5100161 | Skateboard for use in off-road situations A skateboard is modified for use on off-road terrain and includes a shock absorber system. The shock absorber system includes a spacer unit having a plurality of shock absorber plates affixed to the deck unit of the skateboard and to which the skateboard ... | 03/31/1992 |
| 4358162 | Wheel having built-in hub A wheel is disclosed that has a built-in hub for receiving an axle. The wheel includes an annular outer rim, and a pair of circular webs that are received in the rim. Each of the webs includes an inner annular ring. The annular ring on one of the webs def... | 11/09/1982 |
| 4218098 | Skate wheel assembly A hub or body portion of a skate wheel assembly is supported on an axle through the medium of spaced bearings which provide good support for the hub. The hub is flanged and also has a tongue and groove connection with the tire to hold the tire on and in a... | 08/19/1980 |
| 4153303 | Multipart hub assembly A multipart plastic hub assembly includes a pair of hub members each having an annular inner rim portion, a tire support portion, and a radially extending web portion therebetween. The inner rim of each hub member is notched at circumferentially-spaced in... | 05/08/1979 |
