Famous Patents
William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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 |
| 6796122 | Fluidized bed combustion with heat engine Embodiments of the invention include a sleeved heat engine that can be used in a fluidized bed combustion system and a fluidized bed combustion system with heat engines. In one embodiment, a heat engine includes an enclosed cylinder, a fixed charge of gas in the cyl... | 09/28/2004 |
| 7412917 | Sound suppressor silencer baffle A baffle for use in a firearm suppressor, which increases the amount of sound and flash that are perceived upon the firing of a firearm upon which a suppressor is placed without substantial alteration to the power or accuracy of the firearm upon which the suppressor... | 08/19/2008 |
| 7373362 | Coordinated synchronization A coordinating push and user-initiated synchronization method and system. Initially, changes to a local application data store are detected and records affected by the change are identified. At some point, a record affected by a detected change is pushed to a remote... | 05/13/2008 |
| 7346616 | Synchronizing data shared between two devices independent of any other devices that may also share the data A system and method enabling synchronization of data stored on three or more devices in which synchronization between any two of the devices can be conducted independently of the other device. A method embodying the invention involves identifying a record in a first... | 03/18/2008 |
| 7320504 | Vehicle heater using engine exhaust In one embodiment, a heater for a vehicle having an engine that generates hot exhaust gases includes a distribution pipe extending along a cargo carrying part of the vehicle. The distribution pipe is operatively connected to an engine exhaust pipe such that engine e... | 01/22/2008 |
| 7305490 | Preparing electronic data for transmission A method for preparing electronic data for transmission includes calculating a duration for compressing the electronic data, calculating a duration for transmitting the electronic data if not compressed, and compressing the electronic data only if the duration for c... | 12/04/2007 |
| 7281128 | One pass security A system and method for secure network communication. In various embodiments of the present invention, data needed for authentication an encryption is included in each communication pass between network devices, so that when a network connection is broken, a secure ... | 10/09/2007 |
| 7228638 | Measuring device In one embodiment, a measuring device includes a reference surface, a trough extending lengthwise away from the reference surface at substantially a right angle, and a scale affixed to the trough indicating a distance from the reference surface along the trough.... | 06/12/2007 |
| 7080054 | Biomimic artificial neuron An artificial neuron is formed from an input subcircuit, a capacitor free leaky integrator subcircuit, and an output switching subcircuit. The input subcircuit is configured to supply a pulsed input signal. The capacitor free leaky integrator subcircuit is configure... | 07/18/2006 |
| 6999930 | Voice dialog server method and system A voice user interface for accessing data is provided. This method and system receives a set of variables from a voice recognizer processing a voice request for information in a backend system; processes an integration method using the set of variables returned from... | 02/14/2006 |
| 6918988 | Semiconductor processing device A novel modular muffle etch injector assembly for use in a gas blanketed down-flow chemical vapor deposition apparatus of the type having a muffle and a modular gas injector assembly for introducing chemical vapors into a deposition chamber, the muffle being adapted... | 07/19/2005 |
| 6904415 | Importing and exporting partially encrypted configuration data An apparatus for importing and exporting computer based configuration data to and from text based files in which part of the data is encrypted for confidentiality. The apparatus allows the resulting text file to be selectively edited prior to an import, providing fo... | 06/07/2005 |
| 6903594 | Capacitor-free leaky integrator A leaky integrator is formed from a capacitor-free, non-linear delay resistor having a parasitic capacitance and a capacitor-free amplifier. The amplifier utilizes utilize the parasitic capacitance of the delay resistor to provide differing time constants for the ri... | 06/07/2005 |
| D495217 | Food clamp | 08/31/2004 |
| 6777732 | Random access memory A process for enhancing refresh in Dynamic Random Access Memories wherein n-type impurities are implanted into the capacitor buried contact after formation of the access transistor components. The process comprises forming a gate insulating layer on a substrate and ... | 08/17/2004 |
| D493301 | Podium | 07/27/2004 |
| 6721683 | Pump system diagnosis A low cost method and system for diagnosing and reporting potential pump system failure. A method embodying the invention includes calculating amperage variables for the pump moter using a signal from an amp sensor measuring electrical current used by the pump. Desi... | 04/13/2004 |
| 6695328 | Vehicle frame assembly and split-frame vehicle A split-frame vehicle in which the front and rear sub-frames may rotate relative to one another along a longitudinal axis that runs generally parallel to the ground. In one embodiment, the vehicle includes a locking mechanism operatively coupled between t... | 02/24/2004 |
| 6686238 | Method of forming a semiconductor memory device A process for enhancing refresh in Dynamic Random Access Memories wherein n-type impurities are implanted into the capacitor buried contact after formation of the access transistor components. The process comprises forming a gate insulating layer on a sub... | 02/03/2004 |
| 6674158 | Semiconductor die package having a UV cured polymeric die coating A permanent protective semiconductor die coating made from a polymer that is fully curable through exposure to ultra violet light. A mixture of polymer resin and a photoactive compound is applied to the die and then cured through exposure to ultraviolet l... | 01/06/2004 |
| 6673156 | Semiconductor processing device A novel modular muffle etch injector assembly for use in a gas blanketed down-flow chemical vapor deposition apparatus of the type having a muffle and a modular gas injector assembly for introducing chemical vapors into a deposition chamber, the muffle be... | 01/06/2004 |
| 6607987 | Method for improving uniformity in batch processing of semiconductor wafers A novel batch processing system used, for example, in plasma etching and chemical vapor deposition, wherein the pressure in the reactor is cycled through a varying pressure to increase the transfer of the reactant materials to the center of the wafer. One... | 08/19/2003 |
| 6543982 | Adjustable wafer transfer machine An adjustable wafer transfer machine that includes an adjusting mechanism for changing the spacing between adjacent wafers to accommodate placement of the wafers in either a smaller wafer carrier or a larger wafer carrier and a transfer mechanism for tran... | 04/08/2003 |
| 6506689 | Method for removing contaminants from a semiconductor wafer A method for removing contaminants from a semiconductor wafer having a spin on coating of material. Contaminants are removed by applying a cleaning solution to the periphery, and preferably, the exposed backside of the wafer after the edge bead has been d... | 01/14/2003 |
| 6505846 | Bicycle cable locking system A bicycle cable locking system in which a double length cable stowed in one of the frame tubes automatically surrounds the head as it is withdrawn from a stowed position to an extended position, and a double or single length cable stowed in one of the fra... | 01/14/2003 |
| 6479880 | Floating gate isolation device An isolation structure providing electrical isolation in two dimensions between memory cells in semiconductor memory device. The isolation structure comprises a trench formed in a substrate of a semiconductor memory device such as a Dynamic Random Access ... | 11/12/2002 |
| 6473899 | Field configurable embedded computer system An apparatus and method for downloading firmware upgrades to a targeted remote field configurable embedded computer system over a computer network. The targeted device need not be disconnected from the network and requires no human intervention at the rem... | 10/29/2002 |
| 6451279 | Process for making carbides through mechanochemical processing Forming metal and metalloid carbides by mechanically inducing a reduction reaction between a metal chloride (or a metalloid chloride) and a metal carbide. The reduction reactions are induced mechanically by milling the reactants. Alloy carbides may also b... | 09/17/2002 |
| 6448603 | Reduced area storage node junction and fabrication process An improved storage node junction between a doped active area in a semiconductor substrate and an overlying layer of polysilicon, such as the storage node junction in a DRAM memory cell. The area and perimeter of the storage node junction is significantly... | 09/10/2002 |
| 6443493 | Generating text in which the word sequence is reversed in alternating lines of text Methods and computer software for generating Glidetext™--that is, text in which the word sequence in a first line of text is from left to right followed by a second line of text in which the word sequence is from right to left and continuing in this alt... | 09/03/2002 |
| 6436732 | Apparatus for applying viscous materials to a lead frame The invention is directed to the application of viscous materials, such as the adhesives used in LOC die attach processes, to a lead frame by forming a film of viscous material and then bringing a portion of the lead frame and the film of viscous material... | 08/20/2002 |
| 6431320 | Manual wafer lift A wafer lift for lifting a series of vertically oriented wafers arranged parallel to one another in a cassette. The wafer lift includes a vertically movable ramp and a cassette guide positioned over the ramp. The ramp is raised to engage wafers in a casse... | 08/13/2002 |
| 6416675 | Separating materials having different specific gravities A separator that utilizes an arcuate inlet manifold and an arcuate baffle to increase the rate of separation for a mix of materials having different specific gravities. The separator includes an arcuate baffle that defines a separation chamber and an arcu... | 07/09/2002 |
| 6386944 | Breast support system A breast support system for a garment. The system includes a main body formed by shoulder supports, a midriff section, and a pair of breast cups interspaced between and connecting the shoulder supports and the midriff section. A pair of cross tracks pass ... | 05/14/2002 |
| 6382338 | Snow vehicle A motor driven or pedal powered snow vehicle designed to emulate the steering and balancing characteristics of motorcycles and bicycles. The snow vehicle includes a frame, a swing arm, a track carriage, an endless loop track, a snow compacting ramp, an el... | 05/07/2002 |
| 6368044 | Convertible wafer transfer machine A semiconductor wafer transfer machine for transferring first wafers having a first diameter from a first transferor carrier to a first receiver carrier and second wafers having a second diameter different from the first diameter from a second transferor ... | 04/09/2002 |
| 6346022 | Reversible inflatable personal flotation device An inflatable personal flotation device that is reversible and comparatively easily to put on and secure even under difficult conditions. The device can be donned and worn with either side to the front. The personal flotation device of the present inventi... | 02/12/2002 |
| 6341801 | Generating text in which the word sequence is reversed in alternating lines of text Methods and computer software for generating Glidetext™--that is, text in which the word sequence in a first line of text is from left to right followed by a second line of text in which the word sequence is from right to left and continuing in this alt... | 01/29/2002 |
| 6321970 | Wire bonding machine An extended travel wire bonding machine that includes a first positioning table movable along an X axis in a first horizontal plane, a second positioning table movable along X and Y axes in a second horizontal plane, the second positioning table being sup... | 11/27/2001 |
