Famous Patents
The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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 |
| D580234 | Foldable mandolin | 11/11/2008 |
| D578837 | Potato chipper | 10/21/2008 |
| D578838 | Multi grater | 10/21/2008 |
| 6904200 | Multidimensional optical gratings Multi-dimensional optical gratings (600, 700) of a background material (602, 702, 802) having a first refractive index and cells (604, 704, 804) of at least one different refractive index. The cells (604, 704, 804) may occupy two-dimensio... | 06/07/2005 |
| 6776917 | Chemical mechanical polishing thickness control in magnetic head fabrication The method for controlling the depth of polishing during a CMP process involves the deposition of a polishing stop layer at an appropriate point in the device fabrication process. The stop layer is comprised of a substance that is substantially more resistant to pol... | 08/17/2004 |
| D493620 | Protective collar for golf bag | 08/03/2004 |
| 6760177 | Signal-based tape wrap angle setting for flat contour linear tape recording heads In an essentially flat contour linear tape recording head, a nominal tape wrap angle exists at which reading signals from the magnetic tape ceases and/or commences. This nominal tape wrap angle can be easily determined by monitoring a prerecorded signal, such as the... | 07/06/2004 |
| 6748138 | Optical grating fabrication A process (400) to construct single- and multi-dimensional optical gratings (100, 800) of interlayers (110, 230, 310 808) of differing refractive index, either in or atop a non-fiber substrate material (104, 202, 302). The optical grating... | 06/08/2004 |
| 6741422 | Method of making magnetic head having narrow pole tip and fine pitch coil Following the deposition of an insulation layer, a patterned P2 pole tip seed layer is deposited. Significantly, the pole tip seed layer is not deposited beneath the induction coil area of the magnetic head. A dielectric layer is next deposited and a patterne... | 05/25/2004 |
| D489532 | Golf bag extension handle | 05/11/2004 |
| 6731659 | Frequency locker A frequency locker (100) for working with external light sources or frequency locked light sources (200, 300, 400) having integrated laser light sources (214, 414). The locker (100) provides multi-channel frequency tuning and stabilizatio... | 05/04/2004 |
| 6724571 | Magnetic head for hard disk drive having varied composition nickel-iron alloy magnetic poles A magnetic head for a hard disk drive. The magnetic poles of the head are formed with a NiFe alloy having a graduated composition in which a higher Fe concentration is fabricated proximate the write gap layer between the magnetic poles. Each magnetic pole is fabrica... | 04/20/2004 |
| 6723252 | Magnetic head P1 magnetic pole notching with reduced polymer deposition The present invention includes a two-step etching process for notching the P1 pole of the write head element of a magnetic head. In a first step, the preferred embodiment utilizes a combination of C2F6 and argon gases (designated as C | 04/20/2004 |
| 6718092 | Frequency detection, tuning and stabilization system A frequency processing system for detecting, tuning, or stabilizing light frequency or wavelength in a light beam produced by a light source. A grating block receives the light beam and may produce diffracted beams and a passed beam. The diffracted beams are receive... | 04/06/2004 |
| 6711761 | Inclining bed with collapsible frame An inclining collapsible bed (200) including a mattress (214) and a support frame (218), including a number of frame members (32) where the upper ends of the frame members (32) are pivotally attached to upper connector assemblies (... | 03/30/2004 |
| 6709147 | Intermeshing element mixer A mixing section (10,50,60) for mixing material in an extruder (8) having a barrel (32), The mixing section (10,50,60) includes a screw (14) having a central shaft (16), and a floating annular sleeve (12) located betw... | 03/23/2004 |
| 6710983 | ESD protection for GMR sensors of magnetic heads using SiGe integrated circuit devices A magnetic head includes a GMR read head that is protected from electrostatic discharge (ESD) on a slider by a silicon germanium (SiGe) integrated circuit device. In a preferred embodiment the SiGe circuit device includes one or more silicon germanium heterojunction... | 03/23/2004 |
| 6710295 | Slider curvature modification by substrate melting effect produced with a pulsed laser beam A method and apparatus for producing very high crown and camber curvature in slider materials using a laser processing system which produces fluence which is variable in a controllable manner, by applying a laser beam to the flex side of the slider material and vary... | 03/23/2004 |
| 6704542 | Hub and probe system and method A method is afforded for utilizing and implementing a hub and probe system in a wireless communication structure. A hub communicates a first signal. The signal is communicated via evanescent waves created by an exciter. A probe receives the signal from th... | 03/09/2004 |
| 6704216 | Dual match-line, twin-cell, binary-ternary CAM A content addressable memory (CAM)(10, 102) and method having a data-in sub-circuit (44), memory cells (16, 18), a match-high line (36), a match-low line (38), and pre-charge devices (40, 42). Input lines (30, 32, 48, 50) from the data-in sub-circuit (44)... | 03/09/2004 |
| 6703593 | Low and high voltage electrical heating devices A low-voltage self-regulating heating device (200) for operation with supply voltages in the range of 0.1-12 volts having first and second layers (104, 106) of material, at least one of which is PTC material interposed between a first electrode (102) and ... | 03/09/2004 |
| 6675414 | Sleeping bag with replaceable air mattress A sleeping bag with a replaceable air mattress (10), where the sleeping bag (12) includes a top layer (20) and a bottom layer (22). The top layer (20) has a top layer opening edge (24) and a top layer sealed edge (26), and the bottom layer (22) has a bott... | 01/13/2004 |
| 6674749 | Bandwidth transfer switching system A bandwidth transfer switching system (100) connecting various customer devices (12a-g), including local area networks (44), from customer premises (42) through a local loop (50) to a telco central office (50), to deliver switched circuit traffic to centr... | 01/06/2004 |
| 6669253 | Wafer boat and boat holder A wafer boat and boat handle are designed for automatic interlocking engagement and release upon manipulation by a user. The boat includes a side rail with a lip for engagement within a slot formed in the handle, and a handle cam activating contact surfac... | 12/30/2003 |
| 6667850 | Bilayer liftoff process for high moment laminate The magnetic tape recording head of the present invention is formed with magnetic poles that are comprised of a laminated NiFeN/FeN structure. The method for fabricating the magnetic poles utilizes an additive photolithographic technique including a bilay... | 12/23/2003 |
| 6663143 | Acrylic paint monotype artwork An artwork is made on a surface of a matrix or plate with acrylic paint and then allowing the paint to dry. A layer of a backing material adhesive, such as an acrylic gel, is next applied to the acrylic layer and a backing material (such as paper or cloth... | 12/16/2003 |
| 6658834 | Agricultural harvester having automated tree sensing and shaking device and method A tree harvester including an automated tree sensing and shaking control system. The control system includes a tree sensing device, such as an ultrasonic sensor that is mounted upon the harvester. Predetermined tree distance values and other shaker head c... | 12/09/2003 |
| 6651313 | Method for manufacturing a magnetic head In the present method for manufacturing a magnetic write head a focused ion beam (FIB) tool is utilized to mill the side edges of a P2 pole, in order to provide a narrowed track width. Prior to milling, a thin film layer of material is deposited upon the ... | 11/25/2003 |
| 6639760 | Compliant worm gear and worm gear bracket A mechanical linkage, including a worm gear and a worm gear support bracket, for joining a drive motor to a helical gear; it is particularly adapted for controlling a tape drive head. The worm gear head is threadably engaged with the helical gear. The sha... | 10/28/2003 |
| 6631546 | Self-aligned void filling for mushroomed plating A method of manufacturing includes 2 mushroom plating process starts with an overplated component which includes an enlarged mushroom head having outer portions which overhang a resist layer. The next step in the first process embodiment is a heating step... | 10/14/2003 |
| 6629099 | Paralleled content addressable memory search engine A parallel search engine able to receive commands via a search instruction input and data words via a search data input. The commands received, which are optionally programmable, control operation of a data dispatch unit and a result dispatch unit. The da... | 09/30/2003 |
| 6623323 | Flexible male female mold for custom surfboard production Method of high-strength sandwich skin fabrication uses the thickness of a high-density foam skin core (27) to mask minor imperfections on the surface of the mold (10,20), thereby allowing the mold to be divided into separate integral parts that have the c... | 09/23/2003 |
| 6621660 | Thin film magnetic head The electroplated components of a magnetic head of the present invention are fabricated utilizing a seed layer that is susceptible to reactive ion etch removal techniques. A preferred seed layer is comprised of tungsten or titanium. Following the electrop... | 09/16/2003 |
| 6607842 | Containing an AITa or AITi pre-seed layer, a CoCr onset layer and a CoCrPtB magnetic layer The thin film disk includes a pre-seed layer of amorphous or nanocrystalline structure which may be AlTi or AlTa, and that is deposited upon a disk substrate. The pre-seed layer is followed by the RuAl seed layer, a Cr alloy underlayer, an onset layer com... | 08/19/2003 |
| 6603629 | Non-contact servo track writing apparatus and method A servo track writing apparatus (10) for writing servo tracks (16) on a media disk (14) of a disk drive assembly (12) having a Positioning arm (22) with a through hole (28) therein. The writing apparatus (10) has a laser source (29) which directs a source... | 08/05/2003 |
| 6600896 | Exciter system and excitation methods for communications within and very near to vehicles An exciter system (1, 2) able to communicate information between an exciter unit (10) and one or more remote units (12) or between multiple exciter units (10). The exciter units (10) may include wireless type exciter devices, such as optimum exciters (14)... | 07/29/2003 |
| 6599642 | High anisotropy alloy for thin film disk The thin film disk includes a pre-seed layer of amorphous or nanocrystalline structure which may be AlTi or Alta, and that is deposited upon a disk substrate. The pre-seed layer is followed by the RuAl seed layer, a Cr alloy underlayer, an onset layer com... | 07/29/2003 |
| 6599411 | Method of electroplating a nickel-iron alloy film with a graduated composition In the NiFe electroplating method of the present invention, the atomic percent (at. %) composition of Ni and Fe in NiFe electroplated material is controlled by selection of the duty cycle of the electroplating current during the electroplating process. Ge... | 07/29/2003 |
| 6598374 | Method and apparatus for bagging particulate matter Methods and apparatuses for filling flexible receptacles or bags with bulk or particulate material is provided. In one aspect, an automatic sand bag filling apparatus is disclosed which includes a bulk fill channel which may be placed within the interior ... | 07/29/2003 |
| 6596409 | Onset layer for thin film disk with CoPtCrB alloy The thin film disk includes a pre-seed layer of amorphous or nanocrystalline structure which may be CrTa or AlTi or AlTa, and that is deposited upon a disk substrate. The pre-seed layer is followed by the RuAl seed layer, a Cr alloy underlayer, an onset l... | 07/22/2003 |
