Bizarre Patents
Mountable Printable Placard With Headband
A resilient headband in a shape for being mounted on the head of the user. The headband is equipped with a longitudinal slotted member for holding a placard.
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| Number | Title | Issue Date |
| 7281437 | Multi-jet water meter with flow compensating basket A flow measuring system, e.g., a water meter, includes a non-limiting flow compensating basket and/or a vane wheel of the invention. The basket has a hollow cylindrical member having an open end and an opposite end, sidewall of the cylindrical member having a plural... | 10/16/2007 |
| 6871539 | Volumetric fluid meter A volumetric fluid meter has a cylindrical measuring chamber with a lateral wall, a bottom (1) and a lid (3), a lower cylinder (4) and an upper cylinder (5), having the same diameter, which is less than the diameter of the chamber. An inl... | 03/29/2005 |
| 6490918 | Piston-type quantity meter A piston-type quantity meter including a metering chamber having a bottom, a cylindrical chamber shell, a cover, a central journal, a guide ring, two inlet opening formed, respectively, in the chamber bottom and the chamber cover, and a radial outlet open... | 12/10/2002 |
| 6018995 | Oscillating piston flowmeter An oscillating flowmeter including a measuring chamber having a bottom, a cylindrical jacket, a central journal, a guide ring, a separating wall, and inlet and outlet openings, and a piston located in the measuring chamber and having a bottom, a cylindric... | 02/01/2000 |
| 5773718 | Device for measuring liquid volume of the cylindrical piston meter type Device for measuring liquid volume in the manner of a cylindrical piston meter with a cylindrical measuring chamber with connecting channels running perpendicularly to the cylinder axis of the measuring chamber and with a cylindrical piston inserted eccen... | 06/30/1998 |
| 5576489 | Measuring device for oscillating piston liquid meter A measuring device for a liquid meter with oscillating piston comprises a hollow chamber pierced with two apertures and limited by a cylindrical side wall, a bottom and a lid; a piston enclosed in said chamber and held movably, along a partition wall abou... | 11/19/1996 |
| 5567876 | Fluid meters and pumps A volumetric water meter of the type having an eccentric piston oscillating in a cylindrical chamber has a drive peg (64) on the piston engaging a rotor arm (50) which rotates about the chamber axis to drive an external register or the like. The drive peg... | 10/22/1996 |
| 5495756 | Cylindrical chamber for liquid meter with oscillating piston A cylindrical chamber (1) for an oscillating piston type of liquid counter comprises notably a biconcave fixed partition wall (9) and grooves on the lower and/or upper edges of the piston and, as the case may be, on the small cylinders of the chamber 1. T... | 03/05/1996 |
| 5359892 | Flowmeter measuring chamber A flowmeter measuring chamber having a generally cylindrical outer wall, a generally cylindrical inner wall, and a piston, having a tubular wall disposed between the inner and outer walls and arranged to oscillate within the outer wall, is provided with a... | 11/01/1994 |
| 4499764 | Modular metering apparatus A modular oscillating piston-type fluid meter including a plurality of three or more oscillating piston measuring modules in stacked relationship to each other, each of the measuring modules having a piston operatively connected for synchronous, conjoint ... | 02/19/1985 |
