Bizarre Patents
Decorative Jeweled Wheel Cover
An improved wheel is provided wherein decorative items such as gem stones are embedded in either the wheel surface, a special mounting section attached to the wheel surface, or to a spoke strap that wraps around each spoke and positions embedded gem stones on the outside surface of the spoke.
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| Number | Title | Issue Date |
| 8177237 | Gastight piston ring arrangement A segmented piston ring assembly includes piston ring segments 2 having stepped ends 5, 6, at least one piston ring segment 2 including a radial step on a radially inner peripheral surface 9 over a part of the width of the piston ring seg... | 05/15/2012 |
| 5794941 | Piston ring assembly An improved piston ring assembly comprises a double-offset expander spring and a piston ring. The expander spring has a first wave portion that is continuously engaged in an annular groove of a piston body, the wave portion having an axial extent that is ... | 08/18/1998 |
| 5039060 | Control valve vibration damper/isolator A damper/isolator device having four ring segments (38) which are retained in slots (36) in an upper guide (31). The four segments (38) are forced radially outward against a valve bonnet liner (30) and are retained and centered within the slot (36) by ser... | 08/13/1991 |
| 4966068 | Split ceramic piston ring arrangement with nested biasing ring A piston-ring arrangement for use in an internal combustion engine including a cylinder with a piston axially displaceable within the cylinder and at least one piston ring guided in the cylinder. The cylinder, piston and piston-ring are made of a ceramic ... | 10/30/1990 |
| 4516785 | Piston with a controlled expansion piston anti-extrusion ring In a pump for pumping fluid having a piston with a flange, a cylinder, a gap between the cylinder and the flange, and a sealing device, an improved sealing device has an anti-extrusion ring located at a face of the sealing device opposite the fluid. The a... | 05/14/1985 |
| 4256067 | Oblong piston rings for internal combustion engine An internal combustion engine has an oblong piston mounted to reciprocate within an oblong cylinder. The piston is elongated in a direction parallel to the axis of the crankshaft and is provided with piston rings which have sliding contact with the surfac... | 03/17/1981 |
