Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 7828572 | Electric socket having means to lock the blades of inserted electric plug An electric socket includes an electrically insulative bottom shell, two metal electrode clamps mounted inside the electrically insulative bottom shell, an electrically insulative top shell covering the electrically insulative bottom shell and having two bottom spac... | 11/09/2010 |
| 7326073 | Adapter housing for connecting insert devices to a cable fitting A locking device attaches to a first end of a plug-supporting housing a telecommunications plug having a cable that extends through a longitudinal bore contained in the housing. The locking device includes at least one locking plate having a first end portion connec... | 02/05/2008 |
| 7232323 | Electrical zero insertion force connector An electrical zero insertion force connector includes a first part having two housings, a second part having a plug, and a sleeve contact having contact segments with a gap. A clamp movably connects to the sleeve contact. The second housing movably connects to the f... | 06/19/2007 |
| 7210960 | Extension cord and method of manufacturing the same A new extension cord and its manufacturing method. The new extension cord has a plurality of sockets at intervals along its longitude direction so as to reduce the whole length of extension cord and increase the number of the sockets. The jacks of sockets are protec... | 05/01/2007 |
| 7191851 | Unattended ground sensor assembly There is provided a ground sensor assembly adapted for deployment from air to a selected ground location. The ground sensor assembly comprises an aerially deployable sensor housing which has upper and lower housing ends defining a longitudinally elongated aperture t... | 03/20/2007 |
| 7182615 | Electric socket having means to lock the blades of inserted electric plug An electric socket is disclosed to include a housing provided at one end of a cable and having insertion slots for the insertion of the metal electrodes of an electric plug, a socket body mounted inside the housing and holding two metal electrode clamps on the insid... | 02/27/2007 |
| 7175463 | Securing device for electrical connectors A connector has a female receptacle and/or a male plug, or combination thereof. The female receptacle has a sleeve for holding prongs plugged into the receptacle and a mechanism for applying pressure against the sleeve such that actuation of the collar causes the so... | 02/13/2007 |
| 7172451 | Automatic locking electrical outlet A female locking electrical outlet is provided including an outlet body having slots for apertured prongs of a standard male electrical plug, a pair of locking receptacles mounted within the outlet body. Each of the receptacles has locking tabs that engage within ap... | 02/06/2007 |
| 7156682 | Electric socket An electric socket includes a rotation unit and a switching cap unit. The rotation unit abuts the conducting units inside the socket. The switching cap unit protrudes from the rest of the socket. The rotation unit may be moved along with the switching cap unit. When... | 01/02/2007 |
| 7141851 | Transistors having a recessed channel region A transistor includes a substrate and a device isolation layer that is formed on the substrate to define an active region. A gate pattern crosses over the active region. A gate insulation layer is interposed between the gate pattern and the active region. Source and... | 11/28/2006 |
| 7127570 | Proximity communication system, proximity communication method, data managing apparatus and data management method, storage medium, and computer program In a non-contact IC card, one block includes 16 bytes as a unit of reading/writing information, and the writing of the information up to 8 blocks which is a maximum simultaneous write size is guaranteed. The structure of a TOC (Table Of Contents) is built on a memor... | 10/24/2006 |
| 7094090 | Zero-insertion-force connector A connector (10) comprises a base (20), a cover (30), a protecting mechanism (35) and an actuator (40). The base defines a plurality of through holes (21) therein for receiving a plurality of contacts. The cover movably moun... | 08/22/2006 |
| 7077683 | Ratcheting electrical plug and receptacle An apparatus for securing an electrical male plug to a female receptacle includes a serrated edge on at least one pin of the plug that cooperates with a retaining member in the receptacle. Linear insertion of the plug into the receptacle allows a portion of the reta... | 07/18/2006 |
| 7039742 | Handheld option pack identification scheme An insertion and identification scheme between the main unit of a Personal Digital Assistant (PDA) or handheld device and an option pack. Upon insertion, the hardware interface invokes a device manager on the main unit that interrogates the option pack on its featur... | 05/02/2006 |
| 6977415 | Semiconductor device including a gate insulating film on a recess and source and drain extension regions A semiconductor device comprising a semiconductor substrate having a recess whose depth is not more than 6 nm, a source region and a drain region which are formed in a surface region of the semiconductor substrate so as to sandwich the recess, each of the source reg... | 12/20/2005 |
| 6908334 | Interlining panel structure for multiple socket An interlining structure for a multiple socket includes a housing, an indication object and a transparent plate. The housing is consisted of a cover and a base, and the cover is provided with a plurality of receptacles or even switches. The housing is further dispos... | 06/21/2005 |
| 6896537 | Securing device for electrical connectors A connector has a female receptacle and/or a male plug, or combination thereof. The female receptacle has a sleeve for holding prongs plugged into the receptacle and a mechanism for applying pressure against the sleeve such that actuation of the collar causes the so... | 05/24/2005 |
| 6786753 | Locking socket structure An improved socket structure comprises essentially a socket, an ellipse-shaped rotation foundation is disposed in the socket, a top is to combine with the top side of the socket and is firmly fixed on the rotation foundation for driving the rotation foundation to ro... | 09/07/2004 |
| 6716046 | Field effect transistor structure with self-aligned raised source/drain extensions Field effect transistor structures include a channel region formed in a recessed portion of a substrate. The recessed channel portion permits the use of relatively thicker source/drain regions thereby providing lower source/drain extension resistivity while maintain... | 04/06/2004 |
| 6676428 | Securing device for electrical connectors A connector capable of securing a cord to an outlet, of securing extension cords, and/or of securing an extension cord to the cord of a power tool. The device may have a female receptacle and a male plug, only a female receptacle, or only a male plug. The... | 01/13/2004 |
| 6050837 | Electrical locking plug A locking electrical plug 1 includes a plug body 8 and a securement arm 18 residing in a securement arm slot 32 located in the flat of a power blade 16. The securement arm 18 is normally biased orthogonal to the flat of the power blade 16 by a biasing mem... | 04/18/2000 |
| 5967822 | Lock releasing mechanism of a connector A lock releasing mechanism of a connector in which connector terminals are received in terminal receiving chambers respectively in a manner that tongue pieces of the connector terminals are in opposition to each other, and a wiring groove is provided in t... | 10/19/1999 |
| 5630726 | Locking electrical cord A locking, non-catching electrical cord has smoothly rounded edges so as not to catch on foreign objects. The male prongs of the extension cord taper from the end of the cord to a rounded end of the same height, and the prong receptacles are shaped to fit... | 05/20/1997 |
| 5538436 | Two-part memory card socket connector and related interrupt handler An apparatus for handling the removal of a memory card from a computer system. The apparatus includes a socket for receiving the memory card having a first section of card detect pins and a second section of single pins. The second section is aligned with... | 07/23/1996 |
| 5297973 | Safety electrical connection apparatus A safety electrical outlet is disclosed which uses a covered outlet box in which the electrical contacts are on the back of the cover, and cannot easily be reached by a person (especially a child) poking into the socket. The contacts in turn form a portio... | 03/29/1994 |
| 5279507 | Connector for use in vehicles The connector includes a body, a resilient locking arm provided on the body and with a locking projection at its free end which engages in a connection hole in a panel to lock the connector to the panel, and a lock-up detector. The lock-up detector is pro... | 01/18/1994 |
| 5249976 | Electrical plug having locking means An electrical plug for 3-wire line cords includes a plug body having a U-shaped grounding pin. A rise pin is disposed between opposing walls of the U-shaped grounding pin. A locking element extending through the plug body includes a threaded proximal port... | 10/05/1993 |
| 5108301 | Locking electrical cord connector A locking electrical cord connector includes both male and female contacts. The device includes a housing of electrically non-conductive material including a cylindrical cavity. A pair of opposed plungers are mounted for reciprocation in this cavity. An a... | 04/28/1992 |
| 5082450 | Safety plug with ground lock and prong locks An electrical plug for the end of an electrical power cord. The plug includes plug prongs and a ground prong, all of which are moveable between retracted and extended positions. The prongs can be locked in the retracted and extended positions, as desired.... | 01/21/1992 |
| 4801272 | External pack connector An external pack connector has a recess for receiving an external pack, a table member slidably mounted in the recess and biased oppositely to a direction of insertion of the external pack, a resilient contact member projecting into the recess, and a rota... | 01/31/1989 |
| 4741705 | Connector apparatus for antenna terminal of television receiver A connector apparatus for introducing video signals of an alternative video signal source to antenna terminals in the form of a pair of screw rods that are spaced apart from each other and provided on the back surface of a television receiver. The connect... | 05/03/1988 |
| 4685754 | Electrical tab receptacle An electrical receptacle (11) for tabs of small size is formed from sheet metal and comprises a generally channel-shaped receptacle portion (12) having a base (13) and upstanding side walls (14, 14'). Free edge portions (15, 15') of the side walls are ben... | 08/11/1987 |
| 4586770 | Electrical receptacle The invention describes an electrical receptacle comprising a housing having apertures for receiving blade-type contacts of a plug in which the plug is formed with an aperture at its free end, and a pair of contacts secured in the interior of the housing ... | 05/06/1986 |
| 4566747 | Electrical connection system An electrical connection system is disclosed comprising a female connector that accepts a complementary male post terminal. The female connector has an elastically deformable locking tab therein that locks into the male terminal. An insulating housing on ... | 01/28/1986 |
| 4544216 | Automatically releasable locking electric plug To hold a plug and socket together, a three-prong plug including two active prongs and a grounding prong is provided with an additional locking member which is recessed into the grounding prong. The grounding prong on the male portion of the plug has a V-... | 10/01/1985 |
| 3985415 | Locking plug and receptacle therefor A locking electrical plug has a casing from which there extends at least one prong containing a longitudinal slot within which there is pivotally disposed a locking hook with a hook portion projecting laterally from the slot. A spring loaded release butto... | 10/12/1976 |
