William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 7211732 | Cable connecting structure A cable connecting structure, which includes a cable accommodating box comprising: a box main body in which a connected portion of two cables is accommodated; a first flange portion which is attached to one end of said box main body, and includes a first cable port ... | 05/01/2007 |
| 7195807 | Method for protecting joints for electrical cables, protective coating for said joints and joints thus protected A method for mechanically protecting a connection between at least two components forming part of an electrical and/or telecommunications network. At least one protective coating is provided, the coating being produced from an expanded polymeric material and providi... | 03/27/2007 |
| 7091419 | Electrical plug connector An electrical plug connector containing at least two contact partners which can be linked together in an overlap region to establish an electrical contact between them. At least one of the contact partners includes an electrically conductive material that converts t... | 08/15/2006 |
| 7067739 | Joint structure of superconducting cable and insulating spacer for connecting superconducting cable A joint structure of a superconducting cable having improved connection strength and preventing break of a superconducting layer is provided. A central conductor of an insulating spacer and a superconducting cable are connected via a conductor connecting member havi... | 06/27/2006 |
| 6787703 | Connection structure and connection member for electrical connection of power cables A cylindrical pre-molded rubber insulation tube made by a plurality of layers using a rubber material as a base material has in a central part and at both ends of an inner periphery thereof a sheet-shaped electrode layer formed at an insde thereof with a semi-conduc... | 09/07/2004 |
| 6736545 | Wet mateable connector An underwater connector has a plug unit and a receptacle unit each containing a bladder member having an internal, oil-filled chamber in which a respective contact module is located. Each contact module has an end face having both electrical and optical contacts for... | 05/18/2004 |
| 6706965 | Device for deterring cable displacement A device for deterring displacement of a cable is effectuated in an embodiment of the invention by an enclosure that envelopes the cable and an affixing mechanism that couples the enclosure to the cable, where the cable is oriented in an assembly such that the enclo... | 03/16/2004 |
| 6490789 | Connecting structure for covered wires A connecting structure for covered wires is provided. At first, a shield wire 1 and a ground wire 2 are prepared. After overlaying the ground wire 2 on the shield wire 1 cross each other, respective overlapping portions of the wires 1, 2 are interposed be... | 12/10/2002 |
| 6300574 | Corrosion inhibiting cap for electrical terminals A cap for protecting an electrical terminal from corrosion having a base which is insertable upon the terminal, a tapered section designed to guide and surround a mate to the terminal as it is being connected, and a removable top which protects the termin... | 10/09/2001 |
| 5949023 | Temperature-resistant cable bushing and method for the manufacture of the same A cable bushing in a housing for a device which may be a gas sensor and which may be connected to at least one connecting cable having an electrical conductor and cable insulation includes a molded body provided inside an opening of the housing and throug... | 09/07/1999 |
| 5705773 | Electrical insulated boot An improved design for an electrical insulated "through" boot for a bare joint area formed by two electrical conductors made of a molded member arranged longitudinally around the joint area and having a main body portion with opposed flap members. Each fl... | 01/06/1998 |
| 5618200 | Electrical connector A device for connecting wires. The device has two elements; an external element and an internal metal element. The external element is cylindrical and hollow. The external element has a central section with an outer surface that is hexagonal. The external... | 04/08/1997 |
| 5600096 | Mechanical connector splice for cable The invention relates to a mechanical connector splice for joining a pair of aligned cables, such as helically wound aluminum or copper conductors, where such cables are a part of the distribution system of a power network. The splice includes an outer, g... | 02/04/1997 |
| 5563374 | Flexible pipe coupling A flexible pipe coupling is constructed for flexibly interconnecting pipe sections especially in a vacuum toilet system on board an aircraft. For this purpose each coupling member of a pair forming the coupling has a bushing for connection to a pipe end b... | 10/08/1996 |
| 5408047 | Transition joint for oil-filled cables A transition joint for sealing an electrical coaxial cable having an oil-impregnated or fluid filled layer. The transition joint has two primary elements, an electrically insulative elastomeric tube and a heat recoverable sleeve. In connecting a paper-ins... | 04/18/1995 |
| 5374784 | Transition joint for oil-filled cables A transition joint for sealing an electrical coaxial cable having an oil-impregnated or fluid filled layer. The transition joint has two primary elements, an electrically insulative elastomeric tube and a heat recoverable sleeve. In connecting a paper-ins... | 12/20/1994 |
| 5163714 | Electronically-nonconducting system for the connection of metal tubular elements, especially suitable for use as an antenna framework located at great depth A joint for end-to-end coupling of two tubular elements includes tapered coupling surfaces on the tubular elements which are bonded together by adhesive. The coupling surfaces comprise a plurality of cylindrical sections of gradually increasing and decrea... | 11/17/1992 |
| 4906027 | Insulating joint for metal pipelines An insulating joint for pipelines comprises two metal tubular parts each having a dilated end portion, the dilated portion of one of the tubular parts being located within the dilated portion of the other tubular part and the dilated portions extending su... | 03/06/1990 |
| 4855536 | Power cable having sectionalized screen and method of making same The invention relates to interruption of screens of power cables (1,2) with double stress cone systems (23,30). Such interruption systems have hitherto always been made at the same place as the cable core joints. However, with interruption systems at the ... | 08/08/1989 |
| 4828634 | Method of re-establishing semi-conducting layers around a cable splice, and a sleeve for use in the performance of the method A method of re-establishing mutually insulated semi-conducting layers (9, 10) around respective ones of a pair of spliced electric cables, which is characterized in that the semi-conducting layer of at least one cable is terminated with a stable cable ins... | 05/09/1989 |
| 4824147 | Electrically insulated pipe joint An electrically insulated pipe joint comprises first and second metal tubular parts each having a flange at one end. The first and second tubular parts are coupled by a metal coupling sleeve surrounding the flanges and narrowing behind the flanges. A meta... | 04/25/1989 |
| 4817993 | Dielectric joint, particularly for metallic conduits for liquids and/or gases The joint comprises a first end portion to be coupled and shaped like a sort of cup, in which a second portion, shaped like a flange, and to be joined to the first one, is insertable, wherein the second portion is internally occupied for a section by a pr... | 04/04/1989 |
| 4798405 | Assembly for electrically non-conductively interconnecting tube ends Tube ends are received at opposite ends of a bore passage in a block of an electrically non-conductive material. Ferrules encircling the tube ends are compressed to effect a fluid tight seal of the tube ends and block and effective at pressures of about 6... | 01/17/1989 |
| 4768215 | X-ray generator with current measuring device An X-ray generator with current measuring device has an X-ray tube, a power supply unit for feeding high voltage to the X-ray tube, a high voltage cable for connecting the X-ray tube and power supply unit. The high voltage cable is comprised of a core con... | 08/30/1988 |
| 4648926 | Electrically-isolating coupler suitable for high pressure cryogenic gas flow A coupler for electrically-isolating two conductive sections of fluid-passing line includes two nonconductively-interconnected pieces of tubing for insertion in the line. The pieces of tubing each have a divergently-flared end, and the flared ends are ... | 03/10/1987 |
| 4613167 | Insulating pipe joint An insulating pipe joint is disclosed. The joint comprises a first tubular member, a second tubular member comprising a cylinder having the same inside diameter as that of the first tubular member and an annular metal stopper at one end of said cylinder, ... | 09/23/1986 |
| 4586970 | Method of forming an insulated conductor splice utilizing heat shrinkable tubes A method of forming a connection part for polyolefin insulated electrical wires or cables is disclosed which comprises a cross-linkable reinforcing insulation layer around said connection part, providing around said reinforcing insulation layer a heat shr... | 05/06/1986 |
| 4479031 | Heat-shrinkable tube with semiconductive parts for use in joining electrical cables A heat-shrinkable tube for use in forming a connection part for shielded polyolefin insulated electrical wires or cables. The heat-shrinkable tube comprises an integrated assembly of two cylindrical heat-shrinkable semiconductive members arranged end-to-e... | 10/23/1984 |
| 4458103 | Insulating joint for rubber or plastic insulated power cable In an insulating joint for a rubber or plastic insulated power cable, insulation shields are formed around insulation layers covering cable conductor joint portions of adjacent cables so that the insulation shields are longitudinally opposed to each other... | 07/03/1984 |
| 4454375 | Power cable joint structure having sheath isolation member containing electrode spheres A power cable joint structure in which a sheath isolation is provided in a cable shielding layer in, for instance, each phase of a three-phase circuit. A reinforcing insulation is covered on the connected cable conductors and a shielding layer is covered ... | 06/12/1984 |
| 4424410 | Splice connector with shield break A splice connector for high voltage cables is modified to provide a shield break placed either in the housing or in an adaptor sleeve of the connector and in such a manner as to preserve essentially the overall configuration and dimensions of the housing ... | 01/03/1984 |
| 4407528 | High pressure insulating flange An easy to manufacture, strong, high pressure flange-type insulating coupling with wide separation between exposed metal parts is provided. The insulating coupling is made up of two metal half flanges supported on a nonconductive cylindrical nonmetallic m... | 10/04/1983 |
| 4291639 | Electrical isolation system for the mast and shrouds of a sailboat An electrical isolation system is disclosed for use on sailboats having metal masts and shrouds for preventing accidental shocking or electrocution of persons who contact lower portions of the mast or shrouds and/or electrical conductors appended thereto ... | 09/29/1981 |
| 4266992 | Method for end to end connection of mineral-insulated electric cable and assembly for same A method of end-to-end connection single- or multi-conductor electric cables having compressed mineral insulation and apparatus for end-to-end connection. The conductive metal sheath and the mineral insulation which covers the conductor(s) are removed alo... | 05/12/1981 |
| 4234368 | Method of making a pipe coupling Two coaxial metal pipes, whose confronting extremities are each provided with a plurality of peripheral ribs of staggered height separated by two or more peripheral grooves, are interconnected by a coupling sleeve of fiber-reinforced thermosetting resin s... | 11/18/1980 |
| 4105860 | Electrical cable installations with cooling means Potential hot spots, such as at joints, in buried power cable runs are cooled by juxtaposing coolant flow conduits adjacent the cable and providing thermally conductive bridging members between the conduits and the cable throughout the potential hot spots... | 08/08/1978 |
| 3939298 | Joints for electric cables The thermal resistance of a joint for fluid filled electric power cables is reduced by transversely dividing the fluid-tight enclosure of the joint into three parts, electrically insulated from each other, namely two end parts each sealed to one of the ca... | 02/17/1976 |