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| Number | Title | Issue Date |
| 6325094 | Self-metering reservoir A bubbler container assembly particularly adapted for use in vapor generating systems comprising a main outer vessel, an inner bubbler vessel, a carrier gas inlet and a vapor outlet such that the inner bubbler vessel is contained within the main outer ves... | 12/04/2001 |
| 6019114 | Self-metering reservoir A bubbler container assembly particularly adapted for use in vapor generating systems comprising a main outer vessel, an inner bubbler vessel, a carrier gas inlet and a vapor outlet such that the inner bubbler vessel is contained within the main outer ves... | 02/01/2000 |
| 5803114 | Back jet flush toilet systems and methods A flush toilet system includes a bowl that is drained in a flush operation through a flow path including a trap and a siphon. A bypass passage supplies a back jet of water in the reverse flow direction in the flow path. A back jet valve assembly opens to ... | 09/08/1998 |
| 4802592 | Floating liquid skimmers having a floating weir The floating skimmer has a body fitted with a floating weir and with a suction outlet in its base for connection to a suction hose. A float is provided to keep the body afloat. The float is hinged to a wall of the body. A scuttle valve is provided in a wa... | 02/07/1989 |
| 4649579 | Swimming pool skimming weir A device is provided to control the level of water in the gutter of a swimming pool which is responsive to the level of water in the pool. Weirs are provided on the pool side of the gutter to which weir housings are attached to conduct skimming and/or sur... | 03/17/1987 |
| 4628956 | Float valve mechanism A float valve mechanism comprising a housing 13 defining a closed chamber 14 having an inlet 12 and an outlet 22. The chamber 14 is closed by a cap 17 threaded on to it. The valve head 32 has a conical surface 34 engaging a conical valve seat 33 and a ski... | 12/16/1986 |
| 4580592 | Float controlled separator valve Open vessel separator valve has ballasted, hollow-cavitied float disposed above oil/water inlet orifice. Float having large net mass floats in water and sinks in oil. Liquid passes through spillways of sinking float into said float cavity and fills same. ... | 04/08/1986 |
| 4313897 | Gas and liquid admixing system Shown is a portable dispensing system schematically, with a motorless carbonator of the continuous flow type shown in detail employing a needle type valve that is removable as a unit for replacement or repair and which operates in combination with a float... | 02/02/1982 |
| 4250907 | Float valve assembly For ensuring a quick cut-off of a float controlled valve, there is provided a float having a buoyant body and a receptacle for liquid on the body, a single first tube providing an inlet to and an outlet from the receptacle, and a second tube connected to ... | 02/17/1981 |
| 3963041 | Safety shutoff valve A safety shutoff valve for fuel storage tanks and the like includes a housing with a float controlled valve member which closes in response to the rising liquid level in the tank to which the valve is attached. An elongated tubular member is attached to t... | 06/15/1976 |
