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| Number | Title | Issue Date |
| 8136261 | Instant reading oil dipstick improvements Instant Reading Oil Dipstick Improvements is a near universal design with most assembly done by the manufacturer. The customers can easily adapt such to match their existing dipstick geometry by pushing the adjustable parts to the correct location, where they will r... | 03/20/2012 |
| 7322232 | Dipstick-shielding tube and method of use An automatic transmission fluid dipstick-shielding tube and method of use for shielding the terminal end of the dipstick whereon fluid level indicia are imprinted to ensure accurate measurement of the fluid level within an automatic transmission or other similar mac... | 01/29/2008 |
| 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 |
| 7004193 | Valve arrangement and traffic calming device incorporating such an arrangement A reactive speed hump (2) includes a fluid flow control valve assembly (4). A first valve (18, 20, 21) is naturally open and a second valve (10, 14, 15, 16, 17), naturally closed. Application of fluid pressure on the control valve assembl... | 02/28/2006 |
| 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 |
| 6926121 | Oil filter cap with ball valve anti-sticking device A cap for sealing an outer end of an oil filler tube of an engine where the oil filler tube has an inner end with ball valve having a float ball and mating valve seat for impeding any reverse flow of oil during engine operation. The cap includes a sealable plug mati... | 08/09/2005 |
| 6279247 | Combination relief vent and dipstick apparatus for an oil filled pin joint The implement linkage of a work machine comprises at least one oil dilled pin joint. During operation of the linkage, pressure can build up in the pin joint, thus causing damage to the pin joint. It is desirable to vent this pressure without allowing oil ... | 08/28/2001 |
| 5129422 | Transmission breather control valve This invention relates to automatic transmissions and more particularly to valves for controlling and limiting automatic transmission breathing to reduce oxidation of the operating fluid fill. The valve permits relief of any residual pressure within the t... | 07/14/1992 |
| 5086943 | Sealing cap assembly for an access aperture The present invention is directed to a sealing cap assembly (10) of the type that is particularly adapted for use in closing and venting the access aperture (60) of a transmission housing (58). The embodiment of the sealing cap assembly (10) disclosed, ha... | 02/11/1992 |
| 5062447 | Transmission breather control valve and vent This invention relates to automatic transmissions and more particularly to valves for controlling and limiting automatic transmission breathing to reduce oxidation of the operating fluid fill. The valve permits relief of any residual pressure within the t... | 11/05/1991 |
| 4276694 | Fluid level indicator (vent holes) A dipstick assembly including a handle member having a passageway extending therethrough between the ends thereof, a measuring blade connected to the handle member and a cap member also having a passageway extending therethrough between the ends thereof a... | 07/07/1981 |
| 4176457 | Combined dipstick breather tube A combined dipstick-breather tube device (13) for use in measuring the level of a body of liquid (L) in a housing (11) wherein turbulence may occur in the liquid making it difficult to make an accurate reading of the level thereof by conventional dipstick... | 12/04/1979 |
| 4155166 | Dipstick and plug assembly The combination of a dipstick and plug assembly adapted to be inserted within a standard oil filler tube of an engine. In a preferred embodiment, the assembly includes a molded cap element having an integrally formed handle for facilitating gripping there... | 05/22/1979 |
| 4067113 | Dipstick with pressure relief valve A dipstick assembly including a pressure relief valve comprising a handle member having a passageway extending therethrough between the ends thereof, a measuring blade connected to the handle member, a sealing device for perfecting a seal between the dips... | 01/10/1978 |
