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Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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| Number | Title | Issue Date |
| 8173414 | Sulfide perfusion apparatus An apparatus for establishing sulfide perfusion is described and includes a sulfide supply for introducing sulfide into fluid for perfusion, an apparatus for delivery of the perfusion fluid, a fluid chemistry monitor for monitoring the concentration of sulfide and o... | 05/08/2012 |
| 8047703 | Apparatus and method for gelling liquefied gasses A method and apparatus for gelling liquid propane and other liquefied gasses includes a temperature controlled churn mixer, vacuum pump, liquefied gas transfer tank, and means for measuring amount of material entering the mixer. The apparatus and method are particul... | 11/01/2011 |
| 8016330 | Appliance safety apparatus, systems, and methods An apparatus, system, and method for locking objects together comprises at least one pair of correlated magnets. First and second correlated magnetic field structures comprising the pair of correlated magnets are capable of being aligned such that an attractive forc... | 09/13/2011 |
| 8015752 | Child safety gate apparatus, systems, and methods A child safety gate apparatus, system, and method comprises a barrier that is securable in a passageway and comprises at least one pair of correlated magnets capable of being aligned such that an attractive force secures or locks the gate. ... | 09/13/2011 |
| 7998328 | Method and apparatus for separating particles by dielectrophoresis Methods and apparatus for the micro-scale, dielectrophoretic separation of particles are provided. Fluid suspensions of particles are sorted and separated by dielectrophoretic separation chambers that have at least two consecutive, electrically coupled planar electr... | 08/16/2011 |
| 7958575 | Toilet safety apparatus, systems, and methods An embodiment of the present invention provides a correlated magnet toilet seat cover lock which may include a first correlated magnetic field structure securely attachable to a toilet bowl, a second correlated magnetic field structure that is complementary to the f... | 06/14/2011 |
| 7896987 | High energy, low temperature gelled bi-propellant formulation The present invention is a bi-propellant system comprising a gelled liquid propane (GLP) fuel and a gelled MON-30 (70% N2O4+30% NO) oxidizer. The bi-propellant system is particularly well-suited for outer planet missions greater than 3 AU from ... | 03/01/2011 |
| 7842006 | Thrombectomy microcatheter The present invention is an ultrasonic thrombectomy catheter that produces physical forces (shear rates) strong enough to emulsify obstructions such as thrombi and emboli without causing damage to arterial walls. This is accomplished by properly arranging piezoelect... | 11/30/2010 |
| 7794797 | Synthesis of carbon nanotubes by selectively heating catalyst The present invention is a catalytic chemical vapor deposition method and apparatus for synthesizing carbon nanotubes and/or carbon nanofibers (CNTs) on a substrate by selectively heating a catalyst for CNT synthesis on or near the surface of the substrate. Selectiv... | 09/14/2010 |
| 7749344 | High performance, low toxicity hypergolic fuel Disclosed is a group of tertiary amine azides useful as hypergolic fuels for hypergolic bipropellant mixtures. The fuels provide higher density impulses than monomethyl hydrazine (MMH) but are less toxic and have lower vapor pressures that MMH. In addition, the fuel... | 07/06/2010 |
| 7725267 | Synthetic microfluidic microvasculature network The present invention is a synthetic microfluidic microvasculature network and associated methods. The synthetic microfluidic microvasculature network mimics the structure, fluid flow characteristics, and physiological behavior of physiological microvasculature netw... | 05/25/2010 |
| 7189578 | Methods and systems employing electrothermally induced flow for mixing and cleaning in microsystems A method and system for controlling flow motion in a channel/cavity in a microfluidic system includes positioning at least one pair of electrodes in and/or proximate to the channel/cavity. A buffer solution is placed in the channel/cavity, the buffer solution having... | 03/13/2007 |
| 7107987 | Spacer for delivery of medications from an inhaler to children and breathing impaired patients A spacer for delivering a medication spray from an inhaler includes a first conical body joined to a second conical body, forming a continuous spray conduit through first and second internal chambers of the respective first and second conical bodies. A mouthpiece is... | 09/19/2006 |
