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| Number | Title | Issue Date |
| 7422027 | Marine fuel tank vent valve The present invention relates to a simple fuel vent assembly for use in inboard and outboard fuel tanks for marine vessels. The vent assembly includes upper and lower portions defining an L shaped interior passageway. The lower portion includes upper and lower valve... | 09/09/2008 |
| 7225826 | Marine fuel tank vent valve The present invention relates to a simple fuel vent assembly for use in inboard and outboard fuel tanks for marine vessels. The vent assembly includes upper and lower portions defining an L shaped interior passageway. The lower portion includes upper and lower valve... | 06/05/2007 |
| 6729368 | Lavatory service shut off valve A shut off valve is provided for use in an aircraft lavatory system during maintenance sanitizing operations. The shut off valve includes an inlet passage in intermittent fluid communication with an outlet passage and a magnetic flapper body movable between a rest p... | 05/04/2004 |
| 6499518 | Nonoverflow, magnetic float valve assembly A safety valve assembly for use with a portable container, such as for dispensing fuel to a vehicular gas tank, where the valve assembly features a pair of fluid sealing members to be manually activated to effect dispensing of the fluid from the container... | 12/31/2002 |
| 5927350 | System for preventing spillage from containers during filling thereof A system for preventing spillage from containers during the filling thereof includes an electrical circuit extending between one or more filling ports of the container and being connected with one or more liquid level sensitive switches within the contain... | 07/27/1999 |
| 5787942 | Float-type shut off device for a cryogenic storage tank A snap-action flow interrupt device for terminating flow into a cryogenic storage container utilizes the momentum of the incoming liquid spray as a means of maintaining a float in a submerged position until the proper liquid level is attained. The incomin... | 08/04/1998 |
| 5660214 | Overfill prevention for liquid storage tanks A liquid storage tank overfill prevention assembly that includes an outer housing, an insert that includes fill flow ports, a shut-off sleeve to slowly close off the flow ports and a float member for controlling the sleeve in response to the rise of the s... | 08/26/1997 |
| 5398735 | Filling regulator for liquid storage tank A filling regulator for a liquid storage tank of the type according to which a float is displaced vertically in the float chamber provided in the body of the regulator. The regulator includes a deflector slanted over the inner wall of the body and install... | 03/21/1995 |
| 5388622 | Automatic shutoff valve A two-stage float actuated shut-off valve for use in underground fuel storage tanks utilizes a drop tube coaxially mounted within the storage tank fill pipe. Fuel flowing into the tank is passed through the drop tube which projects downwardly into the int... | 02/14/1995 |
| 5322097 | Automatic funnel A funnel body includes an exit tube, wherein a mesh web pocket is arranged for securement to a lowermost end of the exit tube secured to an annular groove, with the pocket including a buoyant sphere arranged for projection into the exit tube exit opening ... | 06/21/1994 |
| 5174345 | Drop tubes and overfill valves therefor A drop tube employed in the discharge of fuel into a storage tank of the type having an inlet, riser pipe is described. The drop tube a tubular member and an overfill valve. The overfill valve comprises a valve member having open and closed positions whic... | 12/29/1992 |
| 5156197 | Float type liquid level meter A float type liquid level meter is provided having an enhanced resistance against vibration transmitted from outside of the float type liquid level meter. The inventor obtained a finding that an external vibration is amplified with a connecting lever whic... | 10/20/1992 |
| 5092377 | Bucket and fluid-metering device therefor In combination with a portable liquid container such as a bucket (20), a liquid-dispensing device (26) is disclosed. Device (26) automatically meters a desired quantity of a dilutable liquid concentrate into bucket (20) whenever bucket (20) is filled to a... | 03/03/1992 |
| 5027870 | Overfill prevention mechanism for storage tanks A float chamber located in generally parallel, laterally spaced relationship to the main liquid flow passageway contains superimposed floats that move along a substantially linear path of travel. The floats cooperate with other control components to effec... | 07/02/1991 |
| 5027871 | LPG tank control valve system A multi-functional control valve system for an LPG tank. The valve system comprises, on a single frame, a fill port for delivery of LPG from a supply source to the tank, a manual shut-off valve for the fill port, a delivery port, independent from the fill... | 07/02/1991 |
| 4986320 | Drop tube having an overfill valve A drop tube employed in the discharge of fuel into a storage tank of the type having an inlet, riser pipe is described. The drop tube a tubular member and an overfill valve. The overfill valve comprises a valve member having open and closed positions whic... | 01/22/1991 |
| 4469117 | Valve device for the prevention of the overfilling of portable containers, particularly gas cylinders A valve device serving to prevent overfilling of portable containers, particularly liquid gas cylinders, includes a ball which is freely rotatable relative to a spherical seating face in a casing having a filling channel extending to said seating face. Th... | 09/04/1984 |
| 4462417 | Valve assembly A valve assembly, mountable on a propane or LPG cylinder, has a gate valve to regulate flow. An auxiliary valve element is movable in response to the liquid level within the tank, and to pressure differentials in the outflow direction. The auxiliary valve... | 07/31/1984 |
