Celebrity Inventors
Actor Marlon Brando has four patents, all named "Drumhead tensioning device and method."
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| Number | Title | Issue Date |
| 7591278 | Sewer system vent monitor Apparatus incorporating a water trap allows vent air to flow into a sewer system under low pressure differential conditions and allows gaseous emissions from the sewer system to exit the vent pipe only under greater differential pressure conditions. ... | 09/22/2009 |
| 6959723 | Oil sealant-preserving drain odor trap Improvements in retention of the oily liquid sealant (20) in a oil-sealed odor trap (10B-10M), for drain applications such as a waterless urinal or anti-evaporation floor drain, are accomplished by minimizing turbulence in the oil sealant, such ... | 11/01/2005 |
| 4809537 | System and method for monitoring wet bulb temperature in a flue gas stream System and method for continuously monitoring the wet bulb temperature in a flue gas stream, for example, at the inlet of a spray dryer. A sample of the flue gas is filtered and reheated to substantially the same temperature as the gas in the flue. The te... | 03/07/1989 |
| 4800596 | Ventilated toilet A toilet has a toilet bowl and a flushing tank which accommodates a supply of flushing liquid for the bowl. The bowl, which discharges into a waste line, is connected to the flushing tank by a flushing pipe. A second pipe for evacuating odors from the bow... | 01/31/1989 |
| 4800914 | Gas pressure relief apparatus A pressure relief device for a process or pipeline including a vertical column, preferably open to the atmosphere near the top, having a certain level of liquid therein and a conduit loop in fluid communication with the column and attached to the column n... | 01/31/1989 |
| 4793952 | Interface control apparatus A dip tube, being a branch line from a gas pressure line, extends into a liquid in a vented bubble pot. The bubble pot comprises a precision bore vessel containing a displaceable body with an actuator, preferably a stepping motor, for moving the body arra... | 12/27/1988 |
| 4773441 | Liquid seal vent The subject of this invention is a liquid seal vent, identified further in this specification as a "device", for use on a gas-blanketed liquid storage tank in safety-related applications where, due to safety reasons, the "device" must be functional even a... | 09/27/1988 |
| 4562724 | Gas sampling valve A multi-port, fluid-activated valve mechanism in which positive pressures of control fluids are used to sequentially actuate fluids which seal respective valve ports sequentially. Fritted glass and liquid metals impervious to fritted glass are used as val... | 01/07/1986 |
| 4412477 | Arrangement to counteract or prevent spreading of fire or smoke An arrangement to counteract or prevent spreading of fire, smoke or undesired gases through at least one passage, such as a ventilating duct, in a building. Said arrangement comprises a device adapted to keep the passage open normally but to close the pas... | 11/01/1983 |
| 4411286 | Liquid seal valve A liquid seal valve, intended in particlar to form part of an inert gas system for supplying inert gas to a storage tank in which liquid fuel may be stored, comprises a first vessel having a gas outlet therefrom, and a gas inlet pipe extending downwardly ... | 10/25/1983 |
| 4294165 | Arrangement to counteract or prevent spreading of fire or smoke An arrangement to counteract or prevent spreading of fire, smoke or undesired gases through at least one passage, such as a ventilating duct, in a building. Said arrangement comprises a device adapted to keep the passage open normally but to close the pas... | 10/13/1981 |
| 4222405 | Pressure vacuum breaker Excess steam pressure is relieved by displacement of a column of water through a vertical conduit opening a path for escape of steam through a space normally occupied by the water which normally acts as a seal. Under reversed conditions, air enters when t... | 09/16/1980 |
| 4199008 | Wet sealed standpipe cap A wet seal standpipe cap to eliminate standpipe cap leakage includes a generally circular cap which has affixed to the underside of the cap a plurality of baffle rings. The cap is sized to enclose an opening in the top of a standpipe, and permit one of th... | 04/22/1980 |
| 4022240 | Slide valve sealant system A sealant system for slide valves used in analysis apparatus and the like in which the slide valves are formed with a channel between the ports in the valve block and the outside thereof, with a sealant liquid supplied under a slight pressure to the chann... | 05/10/1977 |
| 3961641 | Liquid seal for preventing pneumatic back flow A liquid seal for use with low pressure gas lines. It has a U-shaped conduit and an associated reservoir with the sealing liquid therein connected to the bottom of the U. The reservoir has an overflow to maintain a desired level in the U-conduit under sta... | 06/08/1976 |
| 3933168 | Liquid closure device A liquid closure device for gas conduits includes a substantially vertically disposed gas inlet conduit extending into a container. A fluid inlet and fluid outlet having regulating valves are provided for the container. An efflux outlet means on the conta... | 01/20/1976 |
