Class 152/424 - Ground

Subclass of Class 152 - Resilient tires and wheels
Definition: The operating obstacle is the ground.
No. of patents: 3
Last issue date: 10/10/2006

Number	Title	Issue Date
7117731	Device for monitoring maintenance and adjustment of pressure in a tire Device for monitoring, maintenance and/or adjustment of pressure in a tire includes the chamber with shape memory deformable for the period of application of external mechanical forces when the tire rolls on the road surface, connected valve with the inside space of...	10/10/2006
5975174	Rim mountable tire inflation maintenance device A device for maintaining inflation pressure within a tire interior of a tire mounted on a rotating wheel with a rim. The device includes a compressor with piston penetrateably mountable on the wheel rim or in communication with a valve stem that incorpora...	11/02/1999
4432405	Pressure cuff tire pump device This pressure cuff tire pump device, provides a unique way of inflating an automobile tire, without removing the tire or jacking up the automobile. Primarily, it consists of a flexible rubber casing containing a bladder, which is secured to the wheel havi...	02/21/1984

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