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| Number | Title | Issue Date |
| 7694430 | Locking plug system A stopper component has upper and lower ends. The stopper component is removably positioned in a cylindrical opening. A shaft/dipstick is positioned within the stopper component. The shaft/dipstick has an upper end adjacent to the upper end of the stopper component.... | 04/13/2010 |
| 7134220 | Fluid level measuring device having at least one compressible member A fluid level measuring device, also referred to as a dipstick, for measuring the fluid level in a fluid reservoir or tank, such as an oil pan or transmission reservoir in an internal combustion engine. The fluid level measuring device includes a stationary tube ont... | 11/14/2006 |
| 7131213 | Fluid level measuring device A fluid level measuring device, also referred to as a dipstick, for measuring the fluid level in a fluid reservoir or tank, such as an oil pan or transmission reservoir in an internal combustion engine. The fluid level measuring device includes a stationary tube ont... | 11/07/2006 |
| 7100744 | Internal combustion engine An engine is described having a hole for a dipstick which is closed by a cap from which the dipstick depends. The engine body is formed with an overhanging lip adjacent the mouth of the hole, and the cap comprises a spigot rotatably received in the mouth of the hole... | 09/05/2006 |
| 7055384 | Fluid level measuring device A fluid level measuring device, also referred to as a dipstick, for measuring the fluid level in a fluid reservoir or tank, such as an oil pan or transmission reservoir in an internal combustion engine. The fluid level measuring device includes a stationary tube ass... | 06/06/2006 |
| 6935044 | Connection system for a fluid level measuring device A connection system for a fluid level measuring system is disclosed. The disclosed connection system comprises an outer member (also known as a boss), at least one retaining means or clip, and a tube that has been previously shaped and in receptive within the outer ... | 08/30/2005 |
| 5829153 | Lockable cap assembly A cap assembly, having a fixedly attached dipstick, for a fill and/or guide tube is provided. The cap provides a fluid tight seal on the end of the tube, thereby preventing fluid leakage. The cap can be used on both linear and non-linear tubes because it ... | 11/03/1998 |
| 5325981 | Plastic reservoir cap An all plastic cap for an automotive power steering reservoir includes a cap portion and a central integrally molded stem portion, the latter having oppositely extending integrally molded stiffly resilient locking ears with an elastomeric gasket disposed ... | 07/05/1994 |
| 5113594 | Oil level gauge There is disclosed a short and straight oil level gauge adapted for use with an automative automatic transmission. The gauge is inserted in an oil filler tube which is also short and straight. The tube has a flexible clamping member. The gauge has a rodli... | 05/19/1992 |
| 5099584 | Self wiping dipstick A dipstick is suspended from a pivoting mount in the center of a cap. When performing a fluid level check, this cap is loosened from a wiper plug, which remains stationary in its tube housing as the dipstick is withdrawn through it. A series of internal w... | 03/31/1992 |
| 4368579 | Locking cap for an oil gauge pipe A locking cap for an oil gauge pipe which includes a gauge rod mounted thereon, with the gauge rod being adapted to be inserted into the oil gauge pipe. An eccentric level arrangement is provided for locking the locking cap at the oil gauge pipe while a s... | 01/18/1983 |
| 4035921 | Lockable spout closure assembly A lockable dip stick assembly for an oil filling spout comprises an elastomeric stopper disposed between an outer compression cap and an inner compression plate which carries a dip stick. A stud extends coaxially through the cap and stopper and threadably... | 07/19/1977 |
