"The Americans have need of the telephone, but we do not. We have plenty of messenger boys."
Sir William Preece, chief engineer, British Post Office ; 1878
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| Number | Title | Issue Date |
| 5529592 | Filtering separator A filtering separator with a reverse-flow cleaning apparatus has a chamber that travels inside the clean gas area and is provided with a compressed air supply line plus at least one injector. The chamber is divided into a suction area for the drawing in o... | 06/25/1996 |
| 5523682 | Method for determining position of an internal, movable conductive element A system to determine the position of an electrically conductive element movably positioned in a housing, like a metal disc in a check valve, with greater accuracy and resolution than single magnet systems includes first and second A.C. electromagnets pos... | 06/04/1996 |
| 5512385 | Hydrogen storage alloy and nickel-metal hydride storage battery using the same A hydrogen storage alloy for negative electrodes in an alkaline storage battery is disclosed. The alloy is represented by the general formula MmNix My, wherein Mm is a misch metal or a mixture of rare earth elements, and M is at leas... | 04/30/1996 |
| 5499757 | Easy open, tamper evident envelope An easy opening, tamper evident package has a package body with a mouth opening to receive materials. A closure flap extends from the package body next to the mouth opening. The closure flap has an inner surface which faces and overlaps an edge portion of... | 03/19/1996 |
| 5466603 | Temperature regulated hybridization chamber A temperature regulated hybridization chamber which includes an outer container which defines a first chamber for receiving a first fluid having a predetermined temperature. The hybridization chamber includes an inner container having a generally horizont... | 11/14/1995 |
| 5441045 | Apparatus for deforming an iris dilator An iris dilator includes a body formed of an expansile material being expandable from a dehydrated first size and shape to a hydrated second size and shape. When hydrated, the dilator has a shape complementary to an inside diameter of the iris and a size ... | 08/15/1995 |
| 5421323 | Endoscope with additional viewing aperture An endoscope has a tubular shaft for receiving a viewing lens and a treatment instrument. The shaft has a distal end portion of channel-shape, providing a viewing window for the viewing lens. The circumference of the shaft is of oval cross-section around ... | 06/06/1995 |
| 5419095 | Bag stripping apparatus An apparatus for removing a bag in the form of a flexible film having an opening from about object on a planer surface includes first and second parallel cylindrical rollers movable between a first spaced-apart position and second mutually-contacting posi... | 05/30/1995 |
| 5408791 | Apparatus for portion packing of lumpy goods The invention involves an apparatus (1) for the portion packing of lumpy goods, in particular of impact-sensitive fruit and vegetables. The apparatus preferably includes two conveyor pipes (2, 3) with one inlet and one outlet each in their end regions, an... | 04/25/1995 |
| 5388908 | Apparatus for measuring the temperature of molten metals Apparatus for measuring temperatures in molten metals are known with a thermocouple arranged in a closed-end ceramic tube, wherein the junction of the thermocouple is located near the closed end of the tube, and with an outer protective casing which surro... | 02/14/1995 |
| 5385699 | Method for producing a honeycomb shaped ceramic A method for producing a honeycomb shaped ceramic having a predetermined shape made of a flat honeycomb molding formed from a composition containing a heat-resistant inorganic material is disclosed. This method comprises the steps of: forming a honeycomb ... | 01/31/1995 |
| 5363424 | Partially-operable driver circuit A driver circuit comprising an output level selection circuit and a shift register is disclosed. The output level selection circuit has driving terminals, potential level input terminals and data input terminals, and an output signal having one of the dif... | 11/08/1994 |
| 5360150 | Roof rack for vehicles The invention concerns a roof rack for vehicles which is provided with a mechanism for extension (11, 2, 3, 4) permitting to lower the surface of manipulation for the load laterally of the car, in order to permit easy manipulations of all types of load wh... | 11/01/1994 |
| 5350227 | Spacer for filling a space between two adjacent modular cabinets A spacer fills a space between two adjacent modular cabinets. Each cabinet has side walls of a predetermined length and a predetermined width and a front wall. The cabinets are arranged such that at least one of the side walls of one of the cabinets is ad... | 09/27/1994 |
| 5348403 | Ink ribbon cassette An ink ribbon cassette containing an endless ink ribbon (1) and replenishing ink to be supplied to said ink ribbon (1), and intends to stabilize PCS at an early stage of printing. For attaining the purpose, provided is an auxiliary ink supplying member (1... | 09/20/1994 |
| 5339481 | Scrub brush A scrub brush intended primarily for hands and knees type scrubbing. The scrub brush has a substantially rectangular bristle block body of substantially uniform thickness. The bristle block has a rearward end and a forward end with a forwardly extending s... | 08/23/1994 |
| 5334762 | Method for accelerating oxime production A method for preparing oximes where an aldehyde or ketone is reacted with hydroxylamine or its salt in the presence of a catalytic amount of an organotin(IV) compound such as monoalkyltin(IV), dialkyltin(IV) and aryltin(IV). The organotin(IV) compound is ... | 08/02/1994 |
| 5322469 | Vehicle toy with elevating body A remotely controlled vehicle toy is provided with an internal actuator to temporarily secure the vehicle body close to the chassis, thereby substantially or essentially covering lateral sides and an upper side of the vehicle beneath the body, and to remo... | 06/21/1994 |
| 5321740 | Telephone marketing system A marketing system selectively modifies an existing telephone network by modifying a portion of the call processing software of the existing telephone network and by replacing at least a portion of an audible call progress signal generated by the telephon... | 06/14/1994 |
| 5320917 | Fluoride ionic conductor The present invention provides an ionic conductor used for a solid electrolyte with a high ionic conductivity including fluorine, an element belonging to the fourth group or the second group of the periodic table and zirconium. The invention also provides... | 06/14/1994 |
| 5310461 | Cold oxidation in gaseous phase A vapour and gaseous effluent purification process wherein the gaseous flow is made to proceed between metal plates (1) subjected to oscillating electrical high voltages and then over a porous siliceous mass (2) having adsorbed therein an oxidation cataly... | 05/10/1994 |
| 5307565 | Hand tool with ratchet action jams A hand operated ratchet tool includes first and second pivotally coupled jaws, first and second links pivotally coupled to the first and second jaws, respectively, a third link pivotally coupled in common with the first and second links, and first and sec... | 05/03/1994 |
| 5309438 | ATM cell delay circuit for ISDN system A circuit for applying delays to ATM cells in an ISDN comprises a dummy cell generating circuit for generating dummy cells at a controllable time interval, a first cell filter for extracting from an input signal only those cells to which delays are to be ... | 05/03/1994 |
| 5290287 | Endoscopic coagulation forceps Bipolar forceps for grasping and coagulating tissue, are constructed so as not to damage the mesosalpinx fused with a fallopian tube, when carrying out uterine tube sterilisation by coagulation. To this end the forceps are provided with a first and a seco... | 03/01/1994 |
| 5284669 | Method of dressing a thigh cut of poultry A method of dressing a thigh cut of poultry having an upper surface, a lower surface and an elongated thigh bone having an axis. The thigh bone is positioned between the upper and lower surfaces. A first cut is made generally perpendicular to the upper su... | 02/08/1994 |
| 5266828 | Image sensors with an optical fiber array This invention relates to an image sensor with photo sensors (13). An object thereof is to simplify mounting operation of an image sensor chip (12) provided with the photo sensors (13). In order to accomplish this object, according to this invention, the ... | 11/30/1993 |
| 5264010 | Compositions and methods for polishing and planarizing surfaces An abrasive composition for use in polishing or planarizing the surface of a work piece is provided comprising about 30 to 50 percent of cerium oxide; about 8 to about 20 percent of fumed silica and about 15 to about 45 percent of precipitated silica. Met... | 11/23/1993 |
| 5250238 | Process for blow molding hollow bodies with symmetric mold portion movement A process and apparatus for the production of hollow bodies from thermoplastic material by means of blow molding uses a blow molding mold which includes at least first and second mold portions to enclose a generally tubular extruded preform which is expan... | 10/05/1993 |
| 5247640 | Dual access control system including plural magnetic disk control units and contention control circuitry A dual access control system is disclosed including a write-only memory portion for storing dual access commands issued from a host unit and unit addresses of a magnetic-disk unit, and a contention control portion for receiving coded signals representing ... | 09/21/1993 |
| 5244091 | Device for inhibiting removal of an article from a blister container The present invention is a device for inhibiting removal of a first article from a first blister-type container having at least one blister. The device includes a first member or second blister-type container positioned facing the first blister-type conta... | 09/14/1993 |
| 5240656 | Treatment of waste A method and an apparatus for treating contaminated plastics waste, comprising densifying contaminated plastics waste by causing the waste to pass through a heating zone to produce molten contaminated plastics, and causing the molten contaminated plastics... | 08/31/1993 |
| 5241262 | Continuous-use molten metal inclusion sensor A molten metal inclusion sensor intended for "continuous" use in the testing of steel, i.e. a useful life of at least about 30 minutes, comprises a probe which is detachably connected to a water-cooled support member (35). The probe comprises a tube (30) ... | 08/31/1993 |
| 5238507 | Magnetic material A magnetic material is provided which includes a discrete phase including grains made of a first substance which comprises a magnetic metal; and a continuous phase including a thin coating film made of a second substance which comprises a dielectric or in... | 08/24/1993 |
| 5232230 | Chuck assembly for a drilling apparatus The chuck assembly is to be incorporated in a drilling apparatus and includes a chuck body which defines an axial through bore to receive a drill bit therein. A pawl and ratchet mechanism is operated to move an enclosed clamp member which is rotatably pro... | 08/03/1993 |
| 5230292 | Apparatus for making solid waste material environmentally safe using heat Harmful constituents are removed from solid hazardous waste material by heating the waste in the presence of a continuous flow of oxygen until the waste material becomes an agitated molten aggregate and generates effluvia. The effluvia is conducted throug... | 07/27/1993 |
| 5228432 | Continuous passive motion orthosis device for a limb A continuous passive motion orthosis device for a limb having pivotally connected first and second body portions. The device includes a base having a proximal end and a distal end. A first carriage member receives the first body portion and is pivotally c... | 07/20/1993 |
| 5221915 | Thermal protector A thermal protector includes a stationary electrode having a contact end connected to the top end of a zigzag plate heater and a snap-acting thermosensitive element having a movable electrode with a contact end connected thereto. The stationary electrode ... | 06/22/1993 |
| 5220015 | Flame retardants compounds Polymeric flame retardants comprise halogenated aromatic compounds having acylamino functional groups which are chemically bonded to cyclic imide-containing or imide-forming polymers or copolymers. The polymeric flame retardants are prepared by the reacti... | 06/15/1993 |
| 5218189 | Binary encoded multiple frequency RF indentification tag A tag for identifying an item to which it is attached includes an inductance connected in parallel with a capacitance. The capacitance includes a plurality of individual capacitors, each of a predetermined different capacitance. The individual capacitors ... | 06/08/1993 |
| 5217788 | Corrugated sheet assembly This invention relates to an assembly composed of a plurality of generally parallel corrugated contact sheets. The corrugations form alternating apices in the sheets. The apices are connected by angled walls. The corrugations in each sheet are substantial... | 06/08/1993 |