U.S. patents available from 1976 to present.
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Patent No. 6637829

Decorative Jeweled Wheel Cover

An improved wheel is provided wherein decorative items such as gem stones are embedded in either the wheel surface, a special mounting section attached to the wheel surface, or to a spoke strap that wraps around each spoke and positions embedded gem stones on the outside surface of the spoke.

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Class 137/424 - With counter-balance


Subclass of Class 137 - Fluid handling
Definition: Apparatus in which the float is provided with means to apply
No. of patents: 6
Last issue date: 04/21/2009


NumberTitleIssue Date
7520296Device to adjust and control water levels
The device to adjust and control water levels is an apparatus that functions to secure a float valve at the bottom of an outdoor fountain without permanent installation involving screws, nuts, bolts and the like. The device includes a solid body, a bracket and a dec...
04/21/2009
7213613High-flow dual poppet valve having equalized closing forces
A dual-poppet valve comprising a valve body having spaced-apart coaxial valve seats and being arranged such that first and second poppets both open into the primary chamber. A first pintle shaft engages the first poppet, and a second pintle shaft engages the second ...
05/08/2007
5975131Tank valve and opening sensor
A device for providing remote indication of the opening of a weighted pallet type tank vent in which a permanent magnet is attached to the end of the pallet guide shaft distal to the pallet. A magnetic induction sensor is secured to the outside of the sha...
11/02/1999
5755257Retention gate
A retention gate (20) is pivotable about a horizontal pivot shaft (22) mounted near the gate's upper edge and is located behind the overflow sill (14) of a storage drainage opening (12), said retention gate in its closed position being in sealing contact ...
05/26/1998
5141644Buoyed flapper valve
A buoyed flapper valve comprises a flapper which is capable of closing an exit of a dipleg or standpipe, which is also connected to a counterweight and a float. The float has sufficient buoyancy to as to overcome the weight of the counterweight when the v...
08/25/1992
4838303Buoyancy operable liquid level sensor for controlling an alarm pressure fluid supply responsive to changes of liquid level in a pressure vessel
A liquid level sensor connects a buoyancy device in a vessel to an end of one member of a two piece mechanical linkage projecting through a flexible pressure sealed opening in the closed end of the sensor body with the outer ends of the two members overla...
06/13/1989
 
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