...In 1790, the cost to obtain a patent was between $4 and $5.
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 |
| 7800478 | Electrical switching apparatus and heater assembly therefor A heater assembly is provided for an electrical switching apparatus. The heater assembly includes a heater element and an elongated bimetal. The heater element includes first and second ends, an intermediate portion disposed therebetween and an aperture disposed pro... | 09/21/2010 |
| 7372356 | Concealed adjustable temperature switch A concealed adjustable temperature switch includes a fixed plate, an adjusting block threadedly engaged with a screw hole of the fixed plate, a bimetal plate, and a metal plate. Mounted on the adjusting block are upper and lower positioning rings and a fixing ring b... | 05/13/2008 |
| 7364271 | Nozzle arrangement with inlet covering cantilevered actuator A nozzle arrangement is provided for an inkjet printhead. The nozzle arrangement includes a substrate assembly defining an ink inlet channel. A nozzle extends from the substrate assembly. The nozzle defines a nozzle chamber in fluid communication with the ink inlet ... | 04/29/2008 |
| 7349223 | Enhanced compliant probe card systems having improved planarity Several embodiments of enhanced integrated circuit probe card and package assemblies are disclosed, which extend the mechanical compliance of both MEMS and thin-film fabricated probes, such that these types of spring probe structures can be used to test one or more ... | 03/25/2008 |
| 7330097 | Direct current cutoff switch In a direct current cutoff switch1, a PTC 5, which is a non-linear resistor, is parallel connected to a contact circuit composed of a fixed contact 4-2 and a movable contact 8-2 via electrodes 5-1. When the swi... | 02/12/2008 |
| 7322679 | Inkjet nozzle arrangement with thermal bend actuator capable of differential thermal expansion A nozzle arrangement is provided for an inkjet printhead. The nozzle arrangement includes a substrate assembly, in turn, including an electrical drive circuitry layer and defining an ink inlet channel. A nozzle chamber structure extends from the substrate assembly. ... | 01/29/2008 |
| 7301434 | Thermally responsive electrical switch A motor protector (10) is shown having an elongated generally cup-shaped metallic housing (12) formed by a top wall (12a) and a side wall (12b) extending down from the perimeter of the top walls, the free end of which is wel... | 11/27/2007 |
| 7298239 | Thermal protector A thermal protector (1) including two fixed contacts (13A, 13B) provided at the end part of conduction terminal pins (5A, 5B) projecting into a metallic enclosed container (100), a support (6) arranged in a case, an o... | 11/20/2007 |
| 7290853 | Inkjet printhead with a two dimensional array of ink ejection nozzle arrangements A printhead is provided for an inkjet printer. The printhead includes a wafer substrate assembly defining a plurality of spaced apart groups of ink inlet channels. Groups of ink ejection nozzle arrangements extend from the wafer substrate assembly and are in fluid c... | 11/06/2007 |
| 7287837 | Thermoelastic inkjet actuator with a heat conductive layer A thermoelastic actuator to be arranged in an inkjet printer comprises an active heater layer and at least one passive thermal, conductor layer. A thermal insulator is located between the heater layer and said at least one thermal conductor layer. The at least one t... | 10/30/2007 |
| 7287827 | Printhead incorporating a two dimensional array of ink ejection ports A printhead is provided for an inkjet printer. The printhead includes a wafer substrate assembly defining rows of evenly spaced ink inlet channels. Rows of ink ejection nozzle arrangements extend from the wafer substrate assembly and are in fluid communication with ... | 10/30/2007 |
| 7278712 | Nozzle arrangement with an ink ejecting displaceable roof structure A nozzle arrangement is provided for an inkjet printhead. The nozzle arrangement includes a wafer substrate assembly defining an ink inlet channel and a first wall surrounding the ink inlet channel. A thermal actuator includes an anchor extending from the wafer subs... | 10/09/2007 |
| 7265652 | Controllable electronic switch A controllable electronic switch for, e.g., controlling power distribution comprises a deformable member such as a bimetal arm that can be deformed to break an electrical path. The deformable member may be anchored at one end and in controllable contact with an elec... | 09/04/2007 |
| 7252367 | Inkjet printhead having paddled inkjet nozzles An inkjet printhead is provided having a plurality of ink ejection nozzles. Each nozzle has a displaceable actuator arm, a paddle for ejecting ink through an aperture defined in a roof of the nozzle, and a motion-transmitting structure interconnecting the actuator a... | 08/07/2007 |
| 7240428 | Method for making probes for atomic force microscopy A method for producing probes for atomic force microscopy comprises producing, on a surface of one side of a semiconductor substrate, one or more moulds for the production of one or more probe tips. One or more probe configurations and at least one set of a probe ti... | 07/10/2007 |
| 7240992 | Ink jet printhead incorporating a plurality of nozzle arrangement having backflow prevention mechanisms An ink jet printhead includes a substrate that defines a plurality of ink inlets. A drive circuitry layer is positioned on the substrate. A plurality of nozzle arrangements is arranged on the substrate. Each nozzle arrangement includes a nozzle chamber structure pos... | 07/10/2007 |
| 7229153 | Printhead chip with electro-thermal actuators incorporating heatsinks A printhead chip includes a substrate. Drive circuitry is positioned on the substrate. A plurality of nozzle chamber structures is positioned on the substrate. Each nozzle chamber structure defines a nozzle chamber and an ink ejection port in fluid communication wit... | 06/12/2007 |
| 7216957 | Micro-electromechanical ink ejection mechanism that incorporates lever actuation A micro-electromechanical ink ejection mechanism for a printer includes a substrate that defines an ink inlet. A drive circuitry layer is positioned on the substrate. An elongate thermal bend actuator is connected at a fixed end to the drive circuitry layer and is c... | 05/15/2007 |
| 7201471 | MEMS device with movement amplifying actuator A micro-electromechanical liquid ejection device includes a substrate that defines a liquid inlet channel. Drive circuitry is positioned on the substrate. A nozzle chamber structure is positioned on the substrate and defines a nozzle chamber in fluid communication w... | 04/10/2007 |
| 7112502 | Method to fabricate passive components using conductive polymer A method and structure for an integrated circuit chip has a logic core which includes a plurality of insulating and conducting levels, an exterior conductor level and passive devices having a conductive polymer directly connected to the exterior conductor level. The... | 09/26/2006 |
| 7112362 | Thermally movable plastic devices and toys In accordance with the invention, thin bodies of plastic, such as sheets or strands, with substantially different thermal coefficients of expansion are laminated together to make plastic bodies which move in response to heat. The movable plastic bodies can be secure... | 09/26/2006 |
| 7102481 | Low current electric motor protector A low current motor protector (10, 10′) has an oblong metal housing (12) defining a switch chamber and formed with an open end. The housing has opposing flange portions extending transversely from the open end. Spaced apart lid portions (18... | 09/05/2006 |
| 7088217 | Shunt resistance and method of adjusting the shunt resistance A shunt resistor of the present invention has a configuration including a substantially planar resistor (10) having a predetermined resistance value; a first fixed terminal plate (20) that has one end portion (21) connected to an edge of the res... | 08/08/2006 |
| 7083261 | Printer incorporating a microelectromechanical printhead A printer includes a microelectromechanical printhead formed upon a wafer by integrated circuit fabrication techniques. The printhead has a plurality of electrically actuated ink ejection assemblies that are include thermal bend actuators responsive to drive signals... | 08/01/2006 |
| 7075403 | Motor protector particularly useful with hermetic electromotive compressors A protector (1) has a metal header (30) that mounts a first terminal (31) and a second terminal (32) electrically isolated from one another. A metallic housing (10) is fixed to the header (30) and forms a chamber. A stationa... | 07/11/2006 |
| 7066580 | Thermoelastic inkjet actuator with heat conductive pathways A thermal inkjet actuator for use in an inkjet printer assembly includes heat conduction means arranged to realize a predetermined negative pressure profile to facilitate droplet formation. In a preferred embodiment the heat conduction means comprises a thin layer o... | 06/27/2006 |
| 7066578 | Inkjet printhead having compact inkjet nozzles An inkjet printhead having ink ejection nozzles arranged on a substrate is provided. Each ink ejection nozzle comprises an ink chamber, an ink ejection port arranged on the ink chamber, and a multiple-armed actuator arranged to be displaced relative to the ink chamb... | 06/27/2006 |
| 7040738 | Printhead chip that incorporates micro-mechanical translating mechanisms A printhead chip includes a substrate that incorporates a drive circuitry layer and defines a plurality of ink inlet channels. A plurality of nozzle chamber structures is positioned on the substrate. Each nozzle chamber structure defines a nozzle chamber in fluid co... | 05/09/2006 |
| 7039302 | PTC heater with flexible printed circuit board An electrically heated chemical delivery system including a heat sensitive chemical and an electrical heater adjacent to the heat sensitive chemical. The heater includes a heater element with a first heater side and a second heater side and a flexible printed circui... | 05/02/2006 |
| 7009412 | Massively parallel interface for electronic circuit Several embodiments of massively parallel interface structures are disclosed, which may be used in a wide variety of permanent or temporary applications, such as for interconnecting integrated circuits (ICs) to test and burn-in equipment, for interconnecting modules... | 03/07/2006 |
| 6995647 | Low current electric motor protector A low current motor protector (10, 10′) has an oblong metal housing (12) defining a switch chamber and formed with an open end. The housing has opposing flange portions extending transversely from the open end. Spaced apart lid portions (18... | 02/07/2006 |
| 6959983 | Printer with microelectromechanical printhead having electro-thermal actuators incorporating heatsinks A printer includes a microelectromechanical printhead incorporating a plurality of ink ejection nozzles. Each of the ink ejection nozzles includes an ink well to contain printing fluid and an electrically operated thermal ink ejection actuator assembly. The ink ejec... | 11/01/2005 |
| 6961515 | PTC heater with flexible printed circuit board An electrically heated chemical delivery system including a heat sensitive chemical and an electrical heater adjacent to the heat sensitive chemical. The heater includes a heater element with a first heater side and a second heater side and a flexible printed circui... | 11/01/2005 |
| 6825750 | Controllable electronic switch with interposable non-conductive element to break circuit path A controllable electronic switch for, e.g., controlling power distribution comprises a deformable member such as a bimetal arm that can be deformed to break an electrical path. The deformable member may be anchored at one end and in controllable contact with an elec... | 11/30/2004 |
| 6803850 | Thermal trip assembly and method for producing same A heater element for use in a circuit breaker whose initial shape can be varied to achieve various trip ratings for different circuit breakers. The material composition of the heater element and the bimetal strip indirectly heated by the heater element are kept the ... | 10/12/2004 |
| 6636141 | Controllable electronic switch A controllable electronic switch for, e.g., controlling power distribution comprises a bimetal member anchored at one end and in controllable contact with an electrical conductor at the other end. An incoming power wire is connected to the bimetal member ... | 10/21/2003 |
| 6417757 | Buckle resistant thermal bend actuators The invention relates to a thermal bend actuator 7 including: a first anchor portion 9 for securing to a fixed substrate 2; a first thermally conductive active beam member 10 secured at a proximal end to said first anchor portion 9 and extending to a movable distal... | 07/09/2002 |
| 6229121 | Integrated thermal buckling micro switch with electric heater and sensor An integrated thermal buckling micro switch is made by using electromechanical technology to integrate sensors and actuators on a single chip. An epitaxial chip is used and etched to form a mesa structure on a thin silicon film, whereon at least a thermal... | 05/08/2001 |
| 6133817 | Temperature-dependent switch A temperature-dependent switch 10 has two connection electrodes 12, 13 mounted on an insulating support 11 as well as a switching mechanism 27 that, as a function of its temperature, makes an electrically conductive connection between the two connection e... | 10/17/2000 |
| 5936510 | Sealed case hold open thermostat A thermostat includes a case having a sealed interior and an exterior. A contact extends from the sealed interior to the exterior. The contact is fixed with respect to the casing and has an interior contact position. A first blade extends from the sealed ... | 08/10/1999 |