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3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 7990239 | Electricity meter contact arrangement At least one electrical contactor is provided that includes a fixed contact and a movable contact. The fixed contact includes a center leg and first and second arms that extend in opposite directions from the center leg. The movable contact associated with each fixe... | 08/02/2011 |
| 7557683 | Switching device for a transfer switch A switching device for a transfer switch has a pivotal body, a solenoid, a resilient pushing device and a main spring. The pivotal body has a pivotal axis, a first recess, a second recess and a connecting axis. The first and second recesses are defined adjacent to e... | 07/07/2009 |
| 7551049 | Structure of electromagnetic switch for starter An electromagnetic switch for use in actuating a starter for automotive vehicles is provided. The switch includes fixed contacts, a moving contact, and a plunger shaft. The moving contact is joined to a plunger shaft through an insulator. The plunger shaft is to be ... | 06/23/2009 |
| 7317264 | Method and apparatus to independently control contactors in a multiple contactor configuration A method and apparatus to independently control the closing or making of contactors in a modular contactor assembly is disclosed. The apparatus includes a contactor assembly having multiple contactors such that each contactor is separately controlled such that one c... | 01/08/2008 |
| 7274279 | Electromagnetic relay system An electromagnetic relay system is constituted by containing an electromagnetic relay arranged in a case and including a coil, a movable contact and a plurality of fixed contacts, a positive terminal and a negative terminal formed to project from the case, and load ... | 09/25/2007 |
| 7268986 | Double tunnel junction using self-pinned center ferromagnet A double tunnel junction TMR magnetoresistive sensor having first and second magnetic free layers separated by a self pinned magnetic layer. The self pinned magnetic layer is separated from the first and second free layers by thin barrier layers. The pinned layer ma... | 09/11/2007 |
| 7262505 | Selective electroless-plated copper metallization Structures and methods are provided which include a selective electroless copper metallization. The present invention includes a novel methodology for forming copper vias on a substrate, including depositing a thin film seed layer of Palladium (Pd) or Copper (Cu) on... | 08/28/2007 |
| 7259645 | Vehicle control switch system using jog shuttle Disclosed is a control switch system for a vehicle, using a jog shuttle, by which a driver can rapidly and correctly select and control operation of a sound system in the vehicle even during driving of the vehicle. Since the control switch system uses simple members... | 08/21/2007 |
| 7138894 | Electromagnetic breaker An electromagnetic breaker includes a housing (10) having two conductors (30, 31), and a slidable conductor (40) slidably disposed in the housing (10) and movable to engage with the conductors (30, 31) and to electrically couple th... | 11/21/2006 |
| 7135946 | Electromagnetic relay having at least one relay actuator and a receptacle for relay actuators A double relay is described which has two relay actuators which are inserted into a common receptacle. Each relay actuator has a first fixed contact and a movable contact. Arranged on the receptacle are two second fixed contacts, in each case a second fixed contact ... | 11/14/2006 |
| 7128620 | Element for connecting a flexible conductor and method for connecting a flexible conductor to a connection terminal A junction between a flexible conductor and a connection terminal is disclosed. The junction includes a connection terminal that is shaped substantially like a parallelepiped and has an upper face and a lower face, a pair of side faces and an end face. The connectio... | 10/31/2006 |
| 7091611 | Multilevel copper interconnects with low-k dielectrics and air gaps Structures and methods are provided for an improved multilevel wiring interconnect in an integrated circuit assembly. The present invention provides for a multilayer copper wiring structure by electroless, selectively deposited copper in a streamlined process which ... | 08/15/2006 |
| 7067421 | Multilevel copper interconnect with double passivation Structures and methods provide multilevel wiring interconnects in an integrated circuit assembly which alleviate problems associated with integrated circuit size and performance and include methods for forming multilevel wiring interconnects in an integrated circuit... | 06/27/2006 |
| 7061350 | Electromagnetic relay with a triple contact bridge The invention relates to an electromagnetic relay with an electromagnetic coil for exciting a magnetic field and an iron circuit for guiding the magnetic field, wherein the electromagnetic coil surrounds at least part of the iron circuit and the iron circuit compris... | 06/13/2006 |
| 6995470 | Multilevel copper interconnects with low-k dielectrics and air gaps Structures and methods are provided for an improved multilevel wiring interconnect in an integrated circuit assembly. The present invention provides for a multilayer copper wiring structure by electroless, selectively deposited copper in a streamlined process which ... | 02/07/2006 |
| 6967549 | Method and apparatus to control modular asynchronous contactors A modular asynchronous contactor assembly includes a contactor for each phase or pole of an electrical device. The contactor assembly is applicable as both a switching device and an isolation or load protection device. As such, each contactor is constructed so that ... | 11/22/2005 |
| 6943654 | Method and apparatus to control modular asynchronous contactors A modular asynchronous contactor assembly includes a contactor for each phase or pole of an electrical device. The contactor assembly is applicable as both a switching device and an isolation or load protection device. As such, each contactor is constructed so that ... | 09/13/2005 |
| 6943090 | Aluminum-beryllium alloys for air bridges A typical air bridge is an aluminum conductor suspended across an air-filled cavity to connect two components of an integrated circuit, two transistors for example. The air-filled cavity has a low dielectric constant which reduces cross-talk between neighboring cond... | 09/13/2005 |
| 6914765 | Relay, relay unit and electrical junction box A relay, a relay unit and an electrical junction box are disclosed as including a plurality of relays (2A˜2D), each of which includes a pair of switch connector circuit components (5a˜5d, 6a˜6d... | 07/05/2005 |
| 6903638 | Complex electromagnetic relay A complex electromagnetic relay including a plurality of relay structures configured respectively as relays independent of each other, each relay structure including an electromagnet assembly and a contact section acting to open or close in accordance with an operat... | 06/07/2005 |
| 6894238 | Contactor with strand-free, single-interrupting current routing A contractor (1) having at least two spaced-apart fixed contacts (2, 3) and an at least sectionwise electrically conductive, movable contact bridge (9) having at least two contact points (8) which are associated with the fixed contacts (2, 3 | 05/17/2005 |
| 6751849 | Method for connecting a contact body and a flexible conductor, and a compression mold for carrying out said method A movable contact arrangement suitable for use in a switching device has a rigid contact body and a flexible conductor piece connecting the contact body to a fixed conductor. The contact body is connected to the conductor piece by mechanically compressing a section ... | 06/22/2004 |
| 6710268 | Device for matrix switching A switching device selectively connects a number of incoming electrical lines with a number of outgoing electrical lines. The incoming and outgoing lines are each connected to individual contact surfaces, respectively. The contact surfaces are arranged in concentric... | 03/23/2004 |
| 6583694 | Interrupting subassembly for switching appliance The invention concerns a switching appliance comprising several main dual cut-out poles provided with fixed contacts housed in an arc box and mobile contacts located on a mobile contact-holder (30). The latter is equipped, for the main contacts, with main... | 06/24/2003 |
| 6563409 | Latching magnetic relay assembly A latching magnetic relay assembly comprises a relay motor with a first coil bobbin having a first excitation coil wound therearound and a second coil bobbin having a second excitation coil wound therearound, both said first excitation coil and said secon... | 05/13/2003 |
| 6456177 | Holder device for a contact element A contact element of a relay, operative for closing and breaking a power supply circuit, respectively, and comprising a contact element (5) for establishing a current path over a pair of connection means (3, 4) in the circuit closing mode, the contact ele... | 09/24/2002 |
| 6411184 | Electromechanical contactor An electromechanical contactor that houses an electromagnet and a mobile contact carrier within one body. The electromagnet 20 is situated at the rear of the body 10 and a command wiring plane PB is situated at the front of the power wiring plane PA. The ... | 06/25/2002 |
| 6310529 | Bi-stable battery switch The present invention is for a bi-stable battery switch incorporated preferably for internal use into a remotely switchable storage battery, or, in the alternative, for external use with a battery. A bifurcated contact assembly incorporating dual bus bars... | 10/30/2001 |
| 6218918 | Electro-mechanical latch relay A mechanical latch relay started by a current pulse is disclosed which comprises an electromagnetic generating unit, a connecting mechanism and a mechanical locking mechanism, and which can maintain the existing operation state when the current pulse star... | 04/17/2001 |
| 6100807 | Rack protection monitor A hardwired, fail-safe rack protection monitor utilizes electromechanical relays to respond to the detection by condition sensors of abnormal or alarm conditions (such as smoke, temperature, wind or water) that might adversely affect or damage equipment b... | 08/08/2000 |
| 6034585 | Switching device The invention relates to a switching device having a main electromagnetic drive for connecting and disconnecting a moving contact piece to fixed contact elements, and having an auxiliary electromagnetic drive which, in the event of an overload current flo... | 03/07/2000 |
| 6005459 | Switching device A switching device providing highly-reliable, frictionless, adjustment-free operation is described. Comprised of a comparatively small number of moving parts, the various aspects of the invention offer compact, cost-effective, reliable alternatives to the... | 12/21/1999 |
| 5844457 | Electromagnetically operated electric switching apparatus A pair of pivoted links positioned at opposite sides of a movable armature and reversely oriented with respect to each other, have a pivotal connection at their opposite ends to a movable contact carrier and intermediate their ends to the armature whereby... | 12/01/1998 |
| 5712608 | Matrix relay A matrix relay is formed with a plurality of latching relays arranged in a matrix and mounted on a base of an electrically insulative material. Each of the latching relays comprises an excitation coil, permanent magnet, a pair of first and second fixed co... | 01/27/1998 |
| 5004954 | Current sensing relay A three pole relay which operates in response to the flow of normal operating current across fluorescent lamps to activate a coil, the coil coperating a relay to open switches disposed in all of the filament lines associated with the lamp to shut off fila... | 04/02/1991 |
| 4959627 | Electromagnet relay An electromagnetic relay includes a flat base made of an insulating material, two flexure type electromagnetic relay blocks fixed on the base so as to be point symmetrical with the center of the base and having the same structure, a first contact member i... | 09/25/1990 |
| 4851619 | Miniature switch A miniature switch includes an actuator block operated by a toggle lever, a switch base having fixed contacts arranged on a top side thereof and terminals, which are formed integral with the fixed contacts, arranged on a bottom side thereof, and a movable... | 07/25/1989 |
| 4625191 | Safety electromagnetic relay A safety electromagnetic relay includes two pairs of contact sets, each pair including a load-driving contact set and a control contact set, and each contact set including a fixed contact and a movable contact spring. The two load-driving contact sets are... | 11/25/1986 |
| 4583065 | Electric connection of braids on a circuit breaker terminal Several braids (26) to connect a moving contact (10) to a lug (14) for the current lead are attached to the lug by welding under pressure, the ends (32) of the braids (26) being placed in slots (34, 36, 38) made in the face of the lug (14). The welding oc... | 04/15/1986 |
| 4554520 | Electromagnetic miniature relay In a compact electromagnetic miniature relay comprising a contact spring (12) which is firmly clamped at one end, and which bears double contacts (9, 10) arranged on each side, and with the connecting line thereof extending vertically in relation to the l... | 11/19/1985 |
