Actor Zeppo Marx patented a "Cardiac Pulse Rate Monitor" in 1969.
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| Number | Title | Issue Date |
| 7247045 | Modular connection assembly The modular connection assembly comprises a connector (4) made of insulating material, a conductor connecting bridge (10) and a fixing and contact member (9); the connector (4) has side socket members (5) to relate to similar units... | 07/24/2007 |
| 6930585 | Miniature fuse A box-like case for a miniature fuse comprises a first and second plastic assembling members having the same form, each of the assembling members has a base part provided with a pair of first grooves, a side plate part formed as a unitary one-piece structure as the ... | 08/16/2005 |
| 6753485 | Rotary switch containing fuse capabilities A rotary switch containing fuse capabilities. An electrical contact disc is rotatively mounted in a housing. A handle assembly is mounted to the electrical contact disc and rotates therewith, and is replaceably mounted in the housing so as to allow the handle assemb... | 06/22/2004 |
| 5929739 | Fusible link A fuse includes a fuse element having a pair of terminal portions interconnected by a fusible portion, pivot pawls provided between the fusible portion and each of the terminal portions, seat surfaces respectively supporting the pivot pawls thereon, there... | 07/27/1999 |
| 5680088 | Disconnection mechanism for a dark current fuse A disconnection mechanism for a dark current fuse provides a connecting terminal connecting the dark current fuse, a fuse block body receiving the connecting terminal, and a fuse holder slidably engaged with the fuse block body in a direction of connectin... | 10/21/1997 |
| 5670928 | Fuse box A fuse box including an insulative bottom shell having a locating block and fixedly mounted with a metal common receptacle, a cover shell covered on the bottom shell and secured thereto by hooks, a plurality of spring supported jacks mounted in respective... | 09/23/1997 |
| 5670929 | Fusible link A fusible link in which the overlooking of a half-fitted condition of a spacer is positively prevented, and the strength of retaining of the spacer on a housing is increased. Guide walls are formed on an inner surface of the housing (which houses a fuse e... | 09/23/1997 |
| 5659282 | Cylindrical fuse holder with a socket movable axially in the holder A cylindrical fuse holder assembled by uniting a molded holder body and a molded cap between which a fuse tube is steadily held by means of a socket movable axially in the holder, a coil spring for pressing the socket so as to bring the socket in contact ... | 08/19/1997 |
| 5648749 | Cartridge fuse mounting structure A cartridge fuse mounting structure including a fuse holder, a cartridge fuse mounted inside the fuse holder, two cylindrical fuse connectors respectively connected to two opposite ends of the cartridge fuse, two electric wires respectively connected to t... | 07/15/1997 |
| 5632654 | Fuse connection structure A fuse connection structure which is capable of receiving and retaining standard fuses when dark current fuses are not used, in such a manner that the standard fuses are protected from external forces and are positively held in position. The fuse connecti... | 05/27/1997 |
| 5629663 | Disconnection mechanism for a dark current fuse A disconnection mechanism for a dark current fuse provides a connecting terminal connecting the dark current fuse, a fuse block body receiving the connecting terminal, and a fuse holder slidably engaged with the fuse block body in a direction of connectin... | 05/13/1997 |
| 5629664 | Blade fuse with bifurcated gripping pieces Bifurcated gripping pieces, each having a clearance in a thickness direction of a terminal, are projected from inner edge portions of respective terminals so as to confront each other. An inserting opening of an inserting space is made on a lower surface ... | 05/13/1997 |
| 5576682 | Fuse holder and method for assembling A fuse holder (2) for use in electrical apparatus includes a tubular body (6) having outer and inner ends (10, 16). A first electrical contact element (22) and a mounting flange (8) are secured to the inner and outer ends, preferably using resilient retai... | 11/19/1996 |
| 5559489 | Fuse holder for an electric switch The present invention provides a fuse holder as part of an integrated switch base assembly for attachment to a fusible switch having one or more phases between the line and load side of a circuit. The fusible switch has a switch base assembly for opening ... | 09/24/1996 |
| 5488345 | Disconnection mechanism for a dark current fuse A disconnection mechanism for a dark current fuse provides a connecting terminal connecting the dark current fuse, a fuse block body receiving the connecting terminal, and a fuse holder slidably engaged with the fuse block body in a direction of connectin... | 01/30/1996 |
| 5444428 | Fuseholder An integral plastic fuseholder for receiving portions of a pair of in-line electrical conductors which may be connected to a non-fused electrical adapter plug. One conductor of the pair is severed within the holder to form an open connection until the con... | 08/22/1995 |
| 5438310 | Fuse box A fuse box for distributing current derived from a battery through a plurality of fuses, includes a main power source box to be connected to the battery, a sub-power source box to be integrated with the main power source box, mechanical coupling for mecha... | 08/01/1995 |
| 5296832 | Current limiting fuse A fuse that includes a tubular member made from insulative material, end block portions made from insulative material, a spanner joining together the end block portions, terminals extending through openings in the end block portions, and a fusible element... | 03/22/1994 |
| 5293147 | Automotive high current fuse A fuse for handling normal load currents substantially in excess of about 80 amps, the fuse comprising a metal portion formed of an integral piece of metal having outermost, spaced terminal-forming portions with bolt-anchoring holes therein and a fuse lin... | 03/08/1994 |
| 5162773 | High breaking capacity micro-fuse A high breaking capacity micro-fuse includes a body having a wall which forms a cavity in a body, pair of conductive terminals extending through the wall, and a fusible element extending between the pair of conductive terminals and connected thereto in th... | 11/10/1992 |
| 5086285 | Time-current characteristics variable chip fuse A chip fuse is disclosed which includes a rectangular parallelepiped box shaped main body with an opening on the upper side thereof, and a cover covering the opening. Two main terminals are disposed on opposite shorter side walls of the main body. A plura... | 02/04/1992 |
| 5082458 | Fuse holder The invention relates to a fuse holder, which essentially comprises a casing and a carrier which can be engaged therein with the aid of a bayonet-lock between which is resiliently received e.g. a fuse link. While a conventional foot contact on the bottom ... | 01/21/1992 |
| 5073131 | Fuse holder A fuse holder has a base, an electrically conductive element and a cover which secures the element to the base. The base has opposite sides formed with projections and recesses which are releasably engageable with complementary recesses and projections of... | 12/17/1991 |
| 4909761 | In-line breakaway fuse holder A holder for an electric fuse has a first receiving body which has an internally threaded nut assembled thereto in a manner allowing relative rotation between them. The assembly of the nut to the body allows separation of the nut from the body when a pred... | 03/20/1990 |
| 4894633 | Fuse Apparatus An electrical fuse for mounting on a circuit board. The fuse has a housing member with terminal members engaging a fuse element intended to interrupt an external electrical circuit coupled with the terminal members upon an occurence of a fault condition i... | 01/16/1990 |
| 4837546 | Fuse block A fuse block with a fuse formed of a single piece of fusible metal having a narrowed mid-section and wider end tongues which electrically couple the fuse block to disconnect terminals of an electrical system. A plastic housing covers the portions of the t... | 06/06/1989 |
| 4734059 | In-line fuse holder A moisture and waterproof seal for a fuse is provided while allowing selectively for fuse visibility enhancing non-breakability, and improved resistance against moisture ingress. The fuse holder includes flexible molded members which are formed with lips ... | 03/29/1988 |
| 4608548 | Miniature fuse A miniature electrical fuse designed for at least 60 volt circuit applications in printed circuit application features protection against housing explosion under fuse blowing conditions by means of arc barrier-forming shroud members formed by confronting ... | 08/26/1986 |
| 4599596 | Chip type fuse A chip fuse comprises a fuse base and a cover therefor both made of a heat resistant and electrically insulating material. The fuse comprises a pair of electrically conductive terminals, each having one end exposed outside of said base for soldering to a ... | 07/08/1986 |
| 4563666 | Miniature fuse A miniature fuse suitable for printed circuit applications and a manufacturing method therefor features preferably a generally rectangular elongated insulating body having a fuse element preferably diagonally disposed in a fuse cavity therein and terminal... | 01/07/1986 |
| 4559514 | Chip type fuse having connecting legs A chip type fuse comprises a fuse base and a cover therefor both made of a heat resistant and electrically insulating material. The fuse includes a pair of electrically conductive terminals, having portions exposed outside of the fuse base and having ends... | 12/17/1985 |
| 4536046 | Pull out fusible switches Assembly systems for compact N-pole fusible pull out switches of different ratings use the same two part insulator bases and the same insulator pull out heads in all switches. In one system, for switches of a given current rating but two different voltage... | 08/20/1985 |
| 4536054 | Fuse holder, especially fuse holder for electrical devices The fuse holder contains a socket and a head member loosely seated in the socket by a quick release closure, and can be removed along the lengthwise axis of the fuse holder. Seated in the socket at its closed end is a base contact containing a connection ... | 08/20/1985 |
| 4511875 | Micro-fuse assembly An electric micro-fuse comprises a hollow body and a lid therefor. The interior of the fuse body is divided into five sections consisting of two raised plateaus and three recessed sections, wherein the central recess is connected to each end recess throug... | 04/16/1985 |
| 4504815 | Miniature fuseholder A fuseholder of the bayonet-type for retaining tubular fuses is provided with a cap insert having a radial projection adjacent its open end, and a radially-projecting tab means adjacent its open end. The projection and tab cooperate with a body contact ha... | 03/12/1985 |
| 4434415 | Electrical control module for a current-limiting fuse A reusable control module mountable to a power-cartridge-operated interrupting module which includes a normally closed switch in shunt with a fuse. The control module houses a control circuit which ignites the power cartridge to open the switch. The contr... | 02/28/1984 |
| 4404536 | Electrical fuse A fuse comprises a flat carrier panel (2) which carries a fusible conductor (8) interconnecting two electrical contactors (7). A cover (11) is fitted onto the carrier panel (2) by means of integral legs (14) which snap around opposed edge portions (4') of... | 09/13/1983 |
| 4391485 | In-line fuse holder for miniature plug-in fuse An in-line fuse holder capable of handling currents as high as 30 amps, adapted to accept miniature, relatively flat, plug-in fuses which have a pair of flat terminals and a fuse link visibly retained within a relatively flat plastic case. The in-line fus... | 07/05/1983 |
| 4349803 | Fuse tube A pressure- and weather-resistant fuse tube having fiberglass reinforcement which cannot interfere with arc-extinguishment and which does not require an insert or liner of arc-extinguishing material. The fuse tube is molded from a thermosetting material w... | 09/14/1982 |
| 4326185 | Electrical fuse with semi-cylindrical casings An electric fuse having a cartridge formed of a pair of semi-cylindrical casings, i.e., a body casing and a cover casing. The cover casing has a circumferential flat edge surface and a central ridge protruding above the flat surface, and the body casing h... | 04/20/1982 |