Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 7114633 | Easy use valved fluid container assembly and valve system for same The valved container assembly comprises a container positionable on an adjustable stand. The container incorporates an outlet tube adjacent the bottom of the container, the outlet tube incorporating an inline flow control valve and an end valve which stops flow thro... | 10/03/2006 |
| 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 |
| 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 |
| 5033519 | Storage tank flow control valve A float actuated valve for automatically shutting off the flow of fluid into a storage tank when the tank is filled to a predetermined level includes a pair of shutter plates movable transversely across the flow passage from an open position wherein the p... | 07/23/1991 |
| 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 |
| 4998571 | Overfill valve apparatus An overfill valve apparatus for use in a liquid storage container having a fill pipe includes an upper fill tube and a lower drop tube. A closure valve is positioned intermediate the fill tube and the drop tube. The valve includes a valve head moveable be... | 03/12/1991 |
| 4958665 | Apparatus for adjusting level of liquid to be filled into packaging tube An apparatus for adjusting the level of a liquid filling a packaging tube comprises a float for use as suspended in the liquid filling the tube, a magnet attached to the float, and a magnetic sensor for detecting from outside the tube variations in the in... | 09/25/1990 |
| 4405001 | Overflow preventing valve apparatus An overflow preventing valve apparatus comprises a valve main body provided at a terminal end of a fluid supplying system passage, a main valve fixed to a separating membrane stretched within the valve main body to separate an upper chamber and a lower ch... | 09/20/1983 |
| 4106536 | Self-acting device for stopping filling of tanks with fluid products A first secondary valve activated by a float controls through a differential pressure acting on a membrane a main valve in the tank filling duct. The first valve is automatically neutralized to ensure draining of the pipes placed upstream the main valve u... | 08/15/1978 |
| 4098307 | Automatic shut-off liquid dispensing nozzle A nozzle adapted to be releasably secured to a container and through which liquid can be dispensed from the container into another receptacle when the nozzle is directed downwardly, i.e., in a liquid dispensing position. The nozzle contains a valve for au... | 07/04/1978 |
