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Actress Jamie Lee Curtis is a patented inventor - she created a diaper equipped with a premoistened baby wipe. And that's no act!
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| Number | Title | Issue Date |
| 7500834 | Method and apparatus for enhancing fluid velocities in pipelines A method and apparatus of enhancing fluid velocity in a pipeline includes a step of driving pipeline pigs sequentially through a pipeline containing fluid at speeds in excess of that provided by a pressure system for the pipeline. Fluid is both pushed ahead by the p... | 03/10/2009 |
| 7364051 | Remote actuator for ball injector An electrical motor rotatably drives a motor shaft, and a helical rib radially extends from the shaft. The helical rib supports a number of balls, and forms a channel to accommodate the balls. The balls are dropped from the helical rib when the balls reach the botto... | 04/29/2008 |
| 7121347 | Liquid sampler A method and an apparatus raise samples of liquid such as water from a low level to a higher level, for example for obtaining a sample of groundwater from a borehole. The apparatus comprises a pair of tubes (14 and 16) extending alongside each other, w... | 10/17/2006 |
| 6758107 | 3D array of integrated cells for the sampling and detection of air bound chemical and biological species An integrated mesopump-sensor suitable for disposition in two- and three-dimensional arrays having small dimensions is disclosed. One mesopump is formed of an electrostatically attractable flexible diaphragm disposed through cavities or pumping chambers formed betwe... | 07/06/2004 |
| 6688843 | Once-through pump A once-through pump is provided which is able to improve air-blowing efficiency, reduce operation noise, and achieve a sufficient amount of blast or flow rate even within a limited design space. The once-through pump for accelerating fluid (F) in a flow p... | 02/10/2004 |
| 5906478 | Absorbing belt pumping device A belt pumping device using an endless belt driven between two perforated drums. One drum is submerged in a liquid to be pumped with the other drum positioned outside of the liquid to be pumped. At least a portion of the endless belt is constructed of abs... | 05/25/1999 |
| 5315720 | High flow, low turbulance swim-in-place pool A swim-in-place pool has horizontal inner and outer circulating waterways arranged in such manner that a portion of the inner waterway coincides with a portion of the outer waterway. The non-coincident portion of the inner waterway then provides a swimmin... | 05/31/1994 |
| 4845787 | High flow, low turbulence swim-in-place pool operation method A swim-in-place pool has an inlet opening to the swimming area, which is comparable in width and height to the space that would be occupied by a swimmer's body. Water is driven through the inlet opening at a velocity which is substantially constant throug... | 07/11/1989 |
| 4750871 | Stabilizing means for free piston-type linear resonant reciprocating machines A resonant reciprocating compressor wherein a reciprocating assembly comprising the movable armature of an electric reciprocating motor and a piston means coupled to the armature is driven cyclically when the electric motor is energized from an alternatin... | 06/14/1988 |
| 4738598 | Metering pump with annular elements An apparatus for pumping fluid includes a pump block having a wall surface defining an elongate passageway. Annular elements are movable in the passageway and include deformable peripheral skirts on their rearward ends dimensioned to sealingly engage the ... | 04/19/1988 |
| 4715182 | Energy producing apparatus An energy producing apparatus which utilizes a vertically disposed silo formed within the earth. The silo is completely filled with water. A fluid cylinder, which contains a movable piston is to be submergible to the bottom of the silo and then returned b... | 12/29/1987 |
| 4712667 | Device for recovering fluid from a well An endless chain of link members having oil accumulating cavities disposed therein is circulated in a well at a controlled rate carrying oil to the surface where same is dumped and removed by brush and wipers.... | 12/15/1987 |
| 4637784 | Metering pump with diaphragm There is disclosed a metering pump for metering and pumping small volumes of fluid. A continuous member with annular elements carries pumping fluid through a first passageway containing a diaphragm which defines a second passageway. Provision is made for ... | 01/20/1987 |
| 4636145 | Down-well pump device A pump is positioned in the oil producing zone of a well to pump fluid therefrom and is driven by an oil accumulating chain used to recover oil from the well in conjunction with associated secondary drive means.... | 01/13/1987 |
| 4605376 | Marine jet propulsion unit The marine jet propulsion unit of this invention, in preferred form, has a pair of laterally adjacent blade carriers, each having a vertical outer surface movable in a horizontal orbit and to which blades are fixed that project edgewise outwardly. Each bl... | 08/12/1986 |
| 4574644 | Ball bearing flow meter and pump This invention relates to a positive displacement flow meter or pump comprising a plurality of spherical balls orbitably entrained in a toroidal cavity. The first segment of the toroidal cavity tangentially connecting a fluid inlet to a fluid outlet compr... | 03/11/1986 |
| 4573810 | Self-pumping hydrodynamic bearing In hydrodynamic bearings it is necessary for the lubricant leaving the lubricant film to be cooled. The self-sufficient, reliable operation of the system is only ensured if the transport of lubricant can be generated and maintained by the bearing itself. ... | 03/04/1986 |
| 4474538 | Method and apparatus for circulating or pumping organo-biological liquids, in particular blood The present invention relates to a method of circulating organo-biological liquids, preferably blood, wherein a liquid contained in a reservoir is released to a pressure (head) level below its original fluid pressure (head) level, thereafter raised period... | 10/02/1984 |
| 4373625 | Double-walled rotary tubular conveyor with stabilizing drive means A double-walled rotary tubular conveyor includes a stabilizing drive means which prevents the conveyor tube from moving backward, forward or sideways. Two pairs of driven rollers are located in the hollow interior of the conveyor tube. A rubber drive whee... | 02/15/1983 |
| 4321020 | Fluid pump There is disclosed a low-cost, axial fluid pump which does not involve the conversion of rotary to linear motion. The fluid pump herein is based on the principle of successively using a ball, that may be obtained from a reservoir of similar balls, as a pi... | 03/23/1982 |
| 4174033 | Double walled rotary tubular conveyor A conveying device having a flexible member with inside and outside surfaces and first and second end positions forming inlet and outlet orifices. Support mechanisms disposed intermediate the inside and outside surfaces and a drive mechanism for engaging ... | 11/13/1979 |
