Celebrity Inventors
Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 4816151 | Rotor drive for medical disposables A disposable biomedical rotating filtration system for processing fluids in a closed environment includes a rotor mounted for rotation on a pivot pin, a seal between the rotor and pivot pin, an external permanent magnet drive mechanism, and a star shaped ... | 03/28/1989 |
| 4804468 | Self-retaining smooth bore insert A self-retaining smooth bore insert employs a helical coil spring for retaining a fluid system component in a smooth bore. The spring comprises two connected helical coils. One coil is coiled around the component. The second coil has an engarged diameter ... | 02/14/1989 |
| 4759775 | Methods and apparatus for moving and separating materials exhibiting different physical properties Methods and apparatus for controlling the movement of materials having different physical properties when one of the materials is a fluid. The invention does not rely on flocculation, sedimentation, centrifugation, the buoyancy of the materials, or any ot... | 07/26/1988 |
| 4753727 | Self-retaining smooth bore insert and method of installing same Three embodiments of a self-retaining fluid system component insert for a smooth bore of predetermined diameter. The insert comprises a helical coil spring with one end thereof connected to the component and having, in its relaxed state an outer diameter ... | 06/28/1988 |
| 4744901 | Multiple disc type filter and disc construction useful therein A disc-type filter including a housing having an inlet connectable to an upstream pipe, and an outlet connectable to a downstream pipe; and a stack of discs disposed within the housing for separating solid particles from a fluid flowing between the discs ... | 05/17/1988 |
| 4722794 | Straining and stop valve A fluid filtering stop valve having a body with a cylindrical chamber having a circumferential sidewall with inlet, outlet and flush ports, and a cylindrical plug member rotatably disposed in the chamber. The plug member has spaced apart first and second ... | 02/02/1988 |
| 4715956 | Vibrating screen centrifuge A first container for receiving fine-grained material to be dewatered with a concentric outer second container for receiving material from the first container and separating liquid, means for driving the containers in unison, circumferentially separated r... | 12/29/1987 |
| 4705629 | Modular operations center for in-ground swimming pool A distinct element employed in a preferred embodiment of the invention resides in a two-compartment filter unit that extends operating life by permitting the function of the first compartment filtration to be transferred to the other compartment when the ... | 11/10/1987 |
| 4702837 | Rotary vortex separator for a heterogeneous liquid A rotary vortex separator for heterogeneous liquids, e.g. water with a small oil content on an offshore oil platform, includes injection channels (30) which inject water to be de-oiled at an axial speed relative to the periphery of the separator at the up... | 10/27/1987 |
| 4701258 | Filter housings A filter housing comprises a body (1) designed to provide at least one flow path (8) therein. A filter may be secured to the body in operative connection with the flow path. The flow path opens into a substantially planar external face (9) of the body, an... | 10/20/1987 |
| 4699716 | Variable-thickness sector for a rotary disc-type filter A filtration sector for making up a filtration disc comprising a rigid frame imparting its shape thereto, supports for filter cloth within the frame and a member for connection to a hollow driveshaft of a rotary filter, said shaft containing liquid and ga... | 10/13/1987 |
| 4690759 | Centrifugal and impingement oil separator An oil separator, for use in the compressor discharge of a refrigeration system, has a turbine wheel on which refrigerant vapor impacts positioned within a vessel so that the oil is slung outwardly and impinges on the side walls of the vessel and the oil-... | 09/01/1987 |
| 4675106 | Pivot pin bearing for biomedical systems In a disposable biomedical system for processing fluids in a closed environment such as a plasmapheresis system, comprising a plastic rotor mounted for rotation on a pivot pin bearing and a seal, particularly a silicone lubricated O-ring seal, between the... | 06/23/1987 |
| 4670147 | Disposable diagnostic plasma filter dispenser A disposable diagnostic plasma filter dispenser includes a low cost disposable container and a rotor drive for rotationally energizing a rotor within the container. The disposable container is particularly suitable for drawing and dispensing blood samples... | 06/02/1987 |
| 4670144 | Portable water purification system A portable water purification system includes a generally rectangular boxlike chest containing a particulate matter prefilter, a reverse osmosis filter and an activated carbon postfilter unit disposed in a lower base part of the chest. The prefilter, reve... | 06/02/1987 |
| 4666590 | Yarn-threading method and device A yarn-threading method and device wherein a suction gun being fed with a pressurized liquid jet of not less than 80 kg/cm2 G is placed next to a running yarn; the yarn is attracted and taken into a yarn-guide hole of said suction gun, producin... | 05/19/1987 |
| 4666604 | New elution complex more especially for affinity chromatography and affinity precipitation A novel elution complex is provided more especially for affinity chromatography and affinity precipitation for recovering in particular luciferase hexokinase and lactate dehydrogenase. This complex comprises 1 mM to 30 mM of MgSO4, from 30 mM to 50 ... | 05/19/1987 |
| 4666597 | Fuel treatment apparatus This invention provides a novel apparatus for removing contaminants from diesel fuel while simultaneously heating such fuel, and provides a collection zone for accumulating separated water and other contaminants.... | 05/19/1987 |
| 4663040 | Rotary drum filter grid extension and method This invention relates to a method and apparatus for constructing and refurbishing rotary drum filters having longitudinal compartments, or grids, along the deck periphery. The method includes installing novel single-leg grid extensions, angle grid extens... | 05/05/1987 |
| 4659466 | Quick release cover assembly for a liquid filter housing A quick release cover assembly for a cylindrical liquid filter housing which includes an outer cover plate pivotally mounted on the filter housing, an inner cover plate having a beveled cylindrical side wall and being carried by the outer plate and an O-r... | 04/21/1987 |
| 4645598 | Water treatment plastic products for rectangular clarifiers A water and sewer treatment rectangular tank is provided wherein substantially all the working parts are made of non-metallic material. The system includes a telescoping non-metallic drive shaft connected to sprockets for driving chain with the sprockets ... | 02/24/1987 |
| 4642183 | Oil filter A removable threaded oil filter adaptor collar and a removable outer decorative cover for an oil filter are disclosed.... | 02/10/1987 |
| 4640780 | Unplugging of heavy fraction outlet hydrocyclone A hydrocyclone heavy fraction outlet unplugging grommet for use in hydrocyclone systems is described. The grommet is self-sealing under the pressures encountered in use and will effectively seal around a relatively large water nozzle inserted therethrough... | 02/03/1987 |
| 4637874 | Filter head for spin-off filters A filter head for spin-off filters comprises an extruded body having a first longitudinal bore and a second longitudinal bore separated from each other, and an elongated, laterally expanded flat exterior surface. Fluid passageways are bored through the fl... | 01/20/1987 |
| 4623456 | Self-sealing neck for filter A self-sealing neck for an oil filter comprising a filter body provided with an opening which is surrounded by a collar. The self-sealing neck includes a coupling having a central bore with an enlarged recess at one end, an outwardly extending flange at t... | 11/18/1986 |
| 4620927 | Polymeric microscreen support wheel and assembly A microscreen support wheel and assembly is provided comprising a polymeric support wheel having a crowned tread surface, an annular stress relief groove cut into each of its vertically flat, substantially parallel side faces and an axial bore designed to... | 11/04/1986 |
| 4617130 | Process and equipment, in particular for the conditioning of waste water sludges It is intended to simplify and make easier cavitation treatment in a process and equipment for treatment of liquid/solids mixtures, in particular for conditioning of suspended solids by means of cavitation. In the process, this is achieved by means of the... | 10/14/1986 |
| 4608166 | Press fit filter A filter suitable for press fitting into an assembly for inline filtration is disclosed. The filter includes a base, filtration material supported on the base, and a metal collar surrounding at least a portion of the base with a portion of the metal colla... | 08/26/1986 |
| 4608161 | Heatable fuel filter for diesel engines A heatable fuel filter for a motor vehicle engine is provided wherein an electric heating element is positioned between a filter head and filter box. In order to prevent fuel contained in the filter head and fitler box from being discharged to the surroun... | 08/26/1986 |
| 4432498 | Method and apparatus for disposing of animal waste Method and apparatus for hydraulically disposing of animal waste utilizing a water container in which the waste is stored temporarily. Duct work supported in the container is connected to a pressurized water source effective to aspirate water and waste in... | 02/21/1984 |
| 4280823 | Method and apparatus for sonic separation and analysis of components of a fluid mixture An apparatus and method for separating components of a fluid mixture of materials uses an acoustic or sonic generator attached to one end of a hollow tube, or column having a uniform internal diameter, to produce standing sonic waves within the column. Th... | 07/28/1981 |
