Did You Know...
...that Kleenex tissue was originally designed to be a gas mask filter? It was developed at the beginning of World War I to replace cotton, which was then in short supply as a surgical dressing.
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 |
| 7282936 | Die design with integrated assembly aid An upper die portion (36) of a die head for aligning probe pins (14) in first array of first micro-holes (18) formed in lower die portion (12) of the die head, which generally includes a spacer portion (38), a support frame (40 | 10/16/2007 |
| 7250122 | Differentially cured materials and process for forming same A structure includes a layer which includes a first cured portion and a second cured portion which are formed from a same light curable material. The first cured portion is cured to a first amount, and the second cured portion is cured to a second amount. The first ... | 07/31/2007 |
| 7159308 | Method of making a circuit board Provided is a method of forming a circuit board including (a) providing a first conductive sheet; (b) selectively removing one or more portions of the first conductive sheet to form a first panel having a first circuit board that is coupled to a disposable part of t... | 01/09/2007 |
| 7112489 | Negative resist or dry develop process for forming middle of line implant layer A method of implanting a middle of line (MOL) implant layer of a flash memory device that does not require a descumming step is disclosed. In a first embodiment, the method includes depositing a negative tone resist over the MOL implant layer. Portions of the negati... | 09/26/2006 |
| 7102280 | Organic electroluminescent device and a method of manufacturing thereof An organic electroluminescent (EL) device (1) has at least one EL element (10) comprising an organic electroluminescent layer (6) and a relief pattern (7). The relief pattern serves to contain the fluid layer from which the EL layer (6... | 09/05/2006 |
| 7000313 | Process for fabricating circuit assemblies using electrodepositable dielectric coating compositions Provided is a process for forming metallized vias in a substrate including the steps of (I) applying to an electroconductive substrate an electrodepositable coating composition onto all exposed surfaces of the substrate to form a conformal dielectric coating; (II) a... | 02/21/2006 |
| 6977515 | Method for forming photo-defined micro electrical contacts A method of manufacturing a probe test head for testing of semiconductor integrated circuits includes: defining shapes of a plurality of probes as one or more masks; a step for fabricating the plurality of probes using the mask; and disposing the plurality of probes... | 12/20/2005 |
| 6969753 | Spin-on-glass anti-reflective coatings for photolithography Anti-reflective coating materials for deep ultraviolet photolithography include one or more organic light-absorbing compounds incorporated into spin-on-glass materials. Suitable absorbing compounds are strongly absorbing over wavelength ranges around wavelengths suc... | 11/29/2005 |
| 6956097 | Spin-on-glass anti-reflective coatings for photolithography Anti-reflective coating materials for deep ultraviolet photolithography include one or more organic light-absorbing compounds incorporated into spin-on-glass materials. Suitable absorbing compounds are strongly absorbing over wavelength ranges around wavelengths suc... | 10/18/2005 |
| 6951707 | Process for creating vias for circuit assemblies Provided is a process for creating vias for a circuit assembly including the steps of (a) applying a curable coating composition to a substrate, some or all of which is electrically conductive, to form an uncured coating thereon; (b) applying a resist over the uncur... | 10/04/2005 |
| 6914114 | Absorbing compounds for spin-on-glass anti-reflective coatings for photolithography An absorbing ether-like compound including a siliconethoxy, silicondiethoxy, or silicontriethoxy species attached to a naphthalene or anthracene chromophore via an oxygen linkage is used as an organic light-absorbing compound. The absorbing ether-like compound is in... | 07/05/2005 |
| 6906540 | Method for chemically etching photo-defined micro electrical contacts A method of fabricating a plurality of micro probes comprising the steps of defining the shapes of a plurality of probes as a mask, applying a photoresist to a surface of a metal foil, overlaying the mask on the metal foil, exposing the photoresist to light passed t... | 06/14/2005 |
| 6231643 | Membrane electrostatic precipitator A membrane is used as a collection substrate in an electrostatic precipitator (ESP). Possible material choices include fibers in the form of woven mats, screens made from stainless steel wires or fiber reinforced polymer composite membranes. The membranes... | 05/15/2001 |
| 6117215 | Electro-magnetic rapper wear guide This invention relates to electro-magnetic rappers which are used on precipitators. Such structures of this type, generally, employ the use of a wear guide which reduces rapper liner wear.... | 09/12/2000 |
| 4928456 | Process for rapping of electrostatic precipitator surfaces A method for removing precipitate from a collecting surface of an electrostatic precipitator by rapping a point on the surface. Mechanical energy is applied a plurality of times with a rapper wherein the level of mechanical energy increases from one appli... | 05/29/1990 |
| 4441897 | Wet electrostatic precipitator having removable nested hexagonal collector plates and magnetic aligning and rapping means A wet electrostatic precipitator (10) including a plurality of removable nested collecting electrodes or plates (36) forming a repeating pattern of hexagonal collecting zones (44) throughout the precipitator (10). Each collecting plate (36) is formed with... | 04/10/1984 |
| 4409007 | Precipitator rapper A Precipitator Rapper is disclosed having a non-magnetic tube adjustably attached to a solenoid and a hammer extending through the solenoid and through the tube. The solenoid is adjustable toward and away from the precipitator and the tube has a removal c... | 10/11/1983 |
| 4305736 | Cleaning of high-voltage electrodes in an electrostatic precipitator An impact device (15) applies hammer-like blows, or impact forces, to a metallic support frame (13) from which high-voltage electrodes (10) are suspended in an electrostatic precipitator in order to dislodge accumulated particulates from high-voltage elec... | 12/15/1981 |
| 4285024 | Electrostatic precipitator rapper control system rapper plunger lift indicator A rapper plunger displacement indicator for an electrostatic rapper control system of the type which supplies a pulse of controlled energy to the rapper coils. Means are provided for sensing current supplied to each rapper coil during the controlled energ... | 08/18/1981 |
| 4255775 | Electrostatic precipitator rapper control system with enhanced accuracy A comprehensive multiple rapper control system controls rapping intensity with enhanced accuracy, controls a large number of rappers in any desired sequence with intensity control for each individual rapper, and includes alarm circuitry for reliably indic... | 03/10/1981 |
| 4157935 | Method for producing nozzle arrays for ink jet printers Nozzle arrays for ink jet recording are produced by preferred chemical etching of a substrate material which frequently has a non-uniform thickness. The preferred substrate is a monocrystalline silicon wafer and the 100 plane surface of the wafer is coate... | 06/12/1979 |
| 4155723 | Matrix wiring system for use in electrostatic precipitators A plurality of rappers which are periodically energized to clean the electrodes of electrostatic precipitators are connected by a wiring system which requires less wiring than conventional wiring systems. The rappers are arranged so that several have lead... | 05/22/1979 |
| 4120672 | Rapper assembly for electrostatic precipitators An electrode rapper assembly for electrostatic precipitators which increases the life of switches used to energize the rapper and will not be damaged if improperly connected. The rapper assembly has a solenoid and two diode rectifiers, one being connected... | 10/17/1978 |
| 4111669 | Magnetic impulse rapper control system A controller for selectively energizing actuating coils of rappers of an electrostatic precipitator assembly to impart motion to a portion of the precipitator assembly and remove accumulated material therefrom. The controller intermittently supplies a d.c... | 09/05/1978 |
| 4008057 | Electrostatic precipitator electrode cleaning system Electrically-activated shaking devices are arranged in modules to shake the electrodes of an electrostatic precipitator, each module corresponding to a different section of the precipitator. An operating system for the shaking devices includes a main dist... | 02/15/1977 |
| 3988130 | Electrostatic precipitator with rapper and pneumatic flow blocking An electrostatic precipitator is disclosed which is provided with a plurality of gas jets which upon activation repulses the normal gas flow through the electrostatic precipitator during cleaning to create a quiescent condition to reduce further dispersio... | 10/26/1976 |
