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Actress Jamie Lee Curtis is a patented inventor - she created a diaper equipped with a premoistened baby wipe. And that's no act!
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| Number | Title | Issue Date |
| 7311075 | Split piston for an internal combustion engine The invention relates to a split piston for an internal combustion engine, comprising an upper piece, connected to a lower piece, by means of a screw connection. The screw connection comprises a tubular connector piece, mounted on the underside of the piston upper p... | 12/25/2007 |
| 7308850 | Piston for combustion engine The invention relates to an aluminum piston for a combustion engine having a ring element, which is made of NiResist, is placed in the radially outer edge area of the piston head, and which, together with the base body, forms an annular cooling channel. The ring ele... | 12/18/2007 |
| 7143685 | Monobloc piston having open floor A monobloc piston assembly has at least two parts fixedly joined together forming a piston body having an oil cooling gallery. The oil cooling gallery is defined by an upper wall, a lower wall, and a pair of radially spaced inner and outer annular walls. A skirt is ... | 12/05/2006 |
| 6990890 | Monobloc piston having open floor A monobloc piston assembly has at least two parts fixedly joined together forming a piston body having an oil cooling gallery. The oil cooling gallery is defined by an upper wall, a lower wall, and a pair of radially spaced inner and outer annular walls. A skirt is ... | 01/31/2006 |
| 5179916 | Piston with a rotatable piston top This invention relates to a two piece piston with a variable compression height, wherein a piston top part can be adjusted with respect to a piston bottom part along the longitudinal axis of the piston preferably by hydraulic devices and can be caused to ... | 01/19/1993 |
| 5081968 | Pistons for an internal combustion engine A piston for an internal combustion engine is described, the piston having a lower crown portion and an upper crown portion, the upper crown portion including a combustion bowl and a piston ring-groove belt of generally annular form depending from the out... | 01/21/1992 |
| 4887518 | Internal combustion engine piston with threaded ceramic piston head A piston has a piston head made of ceramics, and includes a ceramic piston head having a male rounded thread portion at the outer periphery thereof, a metal piston body having a depression in the top portion for receiving the piston head, and a female rou... | 12/19/1989 |
