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| Number | Title | Issue Date |
| 7284327 | Method of installing an inflating tube within a tire A valve stem puller which comprises a length of flexible elongated member which is connected at one end to a ring and at an opposite end to an externally threaded plug. The valve stem puller is to be utilized by inserting such through a fastener nut and then through... | 10/23/2007 |
| 7281430 | Inflatable manometers An inflatable air cell pressure transducer. The air cell has a concavity formed therein. The concavity has two edges, wherein increased pressure within the air cell causes contraction of the concavity moving the two edges closer. ... | 10/16/2007 |
| 7030743 | Tire pressure indicator providing a visual indication of tire pressure An tire pressure indicator operative to provide a first visual indication if the tire pressure within a tire to which the indicator is coupled is below a first predetermined pressure and a second different visual indication if the tire pressure is above a second pre... | 04/18/2006 |
| 7004701 | Tamper resistant rotably shrouded security cap and tool A tamper resistant rotably shrouded security cap and tool for preventing unauthorized access to a fluid handling system. The shroud and cap have cooperating engagement means that allows the shroud to rotate freely about the security cap, such that a grip on the shro... | 02/28/2006 |
| 6911903 | Tire pressure indicator A tire pressure indicator for coupling with a valve stem of a tire. The tire pressure indicator provides a first visual indication in the event that the tire pressure is below a first threshold limit and a second visual indication if the tire pressure is above a sec... | 06/28/2005 |
| 5791371 | Valve lock The present invention relates generally to a valve lock for use in conjunction with a valve stem contained on an inflatable tire. The device comprises a hollow tubular component that receives the valve stem. A plurality of fingers are attached to the inne... | 08/11/1998 |
| 5398744 | Tire pressure regulating apparatus Apparatus for use in co-operation with a conventional tire inflation valve which enables the pressure in a tire to be reduced to a pre-determined value in a one step process. A movable pressure regulator member, comprising a pin and slot arrangement, co-o... | 03/21/1995 |
| 5211782 | Valve assembly for tubeless tire A tire valve assembly is provided that includes a valve stem with external threads and a valve core which is placed in an axial passage in the valve stem. The valve stem is installed in a hole provided in a wheel rim using a locknut that secures the stem ... | 05/18/1993 |
| 4883107 | Air inlet and automatic pressure adjustment device for a tire A dual valve assembly with calibrated or adjustable spring loading that may be attached to a valve stem on a tire to allow slightly over pressuring the tire with air and which then automatically adjusts the pressure in the tire to match a spring loading c... | 11/28/1989 |
| 4681148 | Tire deflation mechanism A semi-automatic tire deflation device attachable to a tire filler valve. A spring-urged plunger mechanism within the device is alignable with the filler valve element so that manual depression of the plunger mechanism opens the filler valve to start the ... | 07/21/1987 |
| 4606391 | Valve cap with pressure drop indication for pneumatic tires The disclosure describes a valve cap which indicates the pressure within a pneumatic tire. The valve cap comprises a sleeve which may be mounted on the valve tube of the pneumatic tire and which includes an actuating member for opening a valve within the ... | 08/19/1986 |
| 4569363 | Tire deflation mechanism A hand held mechanism that can be applied to a conventional tire inflation valve on a vehicle tire to facilitate a tire deflation operation. The mechanism includes a rod-like element that automatically engages a tire check valve to open said valve for tir... | 02/11/1986 |
