Did You Know...
...that several people are credited with the invention of the flush toilet? Most people have heard of Thomas Crapper (1837-1910), the sanitary engineer who invented the valve-and-siphon arrangement that made the modern toilet possible. Another claimant to "the throne" was British inventor Alexander Cumming who patented a toilet in 1775. Then there's a nameless Minoan (a native of ancient Crete) who lived 4,000 years ago who supposedly was ahead of his time and created the first flush toilet!
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| Number | Title | Issue Date |
| 4733775 | Transparent rectangular packaging of swim goggles and the like A display package for swim goggles and the like comprises a transparent plastic container with a support therein for holding the goggles to be displayed. The support includes a generally trapezoidal foamed plastic insert and the straps of the goggles fit ... | 03/29/1988 |
| 4731226 | Gas sensor A gas sensor in which a compound of rhenium is added to tin oxide (SnO2). Rhenium inhibits the sensor from lowering its resistance over time and in particular increases its durability against overheating. Rhenium is preferably used together wit... | 03/15/1988 |
| 4723950 | Urine drainage bag outlet with barrier against microbial infection A urine drainage bag having an outlet tube housing a microcidal tube is disclosed. The microcidal tube is manufactured from polymeric materials capable of absorbing and releasing antimicrobial substances in a controllable sustained time release mechanism,... | 02/09/1988 |
| 4723493 | Infant wall seat and changing table assembly An infant wall seat and changing table assembly is foldable between a substantially flat condition against a vertical support and a horizontal position at which it forms a changing table for the child. The assembly is further folded to form a seat for the... | 02/09/1988 |
| 4723364 | Interior lining for shell-type sports shoe The lining comprises an ankle part consisting of a front portion (4) and of a rear tongue (5) articulated at the level of the heel, and also of a portion (2) surrounding the foot. The lining possesses a transverse cut-out (20) on the instep, allowing free... | 02/09/1988 |
| 4723864 | Endoscope and photographing apparatus A connector device is disclosed for detachably connecting a photographing apparatus to an endoscope eyepiece barrel. A pair of clamping links have their respective one ends pivotally mounted on an attaching ring adapted to be secured to the photographing ... | 02/09/1988 |
| 4717018 | Container for longitudinally extending diagnostic test strips A unitary snap hinge made of plastic with two hinge parts which are connected with each other by means of a main joint. A flexible connecting piece is connected with the hinge parts by means of secondary joints, whereby the secondary joints have a distanc... | 01/05/1988 |
| 4712440 | Linear actuator A linear actuator intended to actuate in particular the leaf of a door including a motor the output shaft of which is connected to a screw, for example a righthand screw, with which is engaged a nut, integral with which is an arm parallel with the screw a... | 12/15/1987 |
| 4711466 | Method and apparatus for gas generator initiation from external sensor A method and apparatus for initiating gas generation in an airbag in which the sensor is external to the gas generating vessel. The apparatus is a sensor which mounts on a toroidal shaped pressure vessel. The sensor activates a percussion primer in vessel... | 12/08/1987 |
| 4708582 | Method for feeding a work A method of feeding a work, in which a jig having an attitude controlling groove formed therein is prepared. A first work is controlled to assume a predetermined attitude by placing the work in the attitude controlling groove. The jig is conveyed to a fir... | 11/24/1987 |
| 4709222 | Fuse device A fuse device comprises a casing, a fuse element accommodated in the casing and an arc-extinguishing agent accommodated in the casing and consisting of a fibrous or powdery non-conductive material.... | 11/24/1987 |
| 4709175 | Linear pulse motor A linear pulse motor which includes: a primary magnetic flux generating unit composed of a pair of cores each having a coil wound therearound and pairs of magnetic poles, each pole being provided at either end portion of a corresponding core; and a scale ... | 11/24/1987 |
| 4709174 | Magnetic pole pieces for using in linear pulse motor A magnetic pole piece for use in a linear pulse motor which includes: a primary magnetic flux generating unit composed of a pair of cores each having a coil wound around them and pairs of magnetic pole pieces, each magnetic pole piece being provided at ei... | 11/24/1987 |
| 4708189 | Screen A screen for extending between two surfaces, for example, a floor and a ceiling, the screen comprising a sheet of flexible material, pairs of optionally interengageable battens and support means, the support means being biased to urge the pairs of battens... | 11/24/1987 |
| 4706393 | Ski boot fastener This ski boot fastener comprises a stretching lever having pivotally mounted therein at least two nipples each fulcrumed on a crosspin, and boot closing cables having each one end passing through the corresponding nipple and anchored to a cable head or so... | 11/17/1987 |
| 4706657 | Light quantity adjuster for endoscope apparatus In an endoscope apparatus, an illuminating light is supplied from a light source unit to an end of an optical transmission system of an endoscope, and the optical transmission system has the other end allowing the illuminating light to be irradiated from ... | 11/17/1987 |
| 4701739 | Exhaust gas sensor and process for producing same An exhaust gas sensor including a compound ASnO3-δ wherein A is Ba, Ra, Sr or Ca to make use of the variation of resistance value of the compound. BaSnO3-δ and RaSnO3-δ are n-type semiconductors, while SrSnO3-δ... | 10/20/1987 |
| 4699092 | Fluid-cooled cylinder head In a fluid-cooled cylinder head for a series of cylinders of a multi-cylinder internal combustion engine provided with a combustion chamber for each cylinder, the cooling water chambers co-ordinated with the individual combustion chambers are separated fr... | 10/13/1987 |
| 4700026 | Wiper home position stop device A wiper driving unit for driving a wiper for a vehicle such as a motor vehicle includes: a driving gear driven by a motor, for driving the wiper; and a clutch member formed of a conductive resilient plate, rotatably supported and rotatable together with t... | 10/13/1987 |
| 4700043 | Method of forming bore in eyeless operating needle A method of forming a bore for attachment of an end of a suture, in a proximal end portion of an eyeless operating needle. An original needle is prepared which has its outer diameter greater than that of the operating needle. Beam is applied to an end fac... | 10/13/1987 |
| 4700178 | A.C. alarm buzzer An alarm buzzer includes a bobbin mounted within a housing and having a base portion and a hollow cylindrical portion. The mounting plate is interposed between the bottom wall and the base portion. A coil is wound around the cylindrical portion, and oppos... | 10/13/1987 |
| 4699247 | Ladder levelling device A device for supporting simultaneously the bottom ends of both stiles of a ladder from sloping ground, so that the rungs of the ladder are horizontal, comprises a reversible triangular platform, which is supported from the ground by three feet, one of whi... | 10/13/1987 |
| 4697316 | Burial casket with identification capsule A burial casket is provided with a capsule which extends from a casket side wall inwardly and contains information regarding the remains contained in the casket. The capsule is removable from the casket to give access to the information without opening th... | 10/06/1987 |
| 4697515 | Rotary multicolor printing machine for simultaneous recto-verso printing The printing machine has two interacting blanket cylinders (1,2) which are each inked by several offset plate cylinders (5,12) and between which the paper (P) to be printed on both sides runs through. One of the blanket cylinders (2) is also in contact wi... | 10/06/1987 |
| 4698180 | Terpene ether aroma chemicals A perfume composition comprises a perfumery carrier and isobornyl 2-hydroxypropyl ether.... | 10/06/1987 |
| 4697397 | Trussed girder, roof framing using the trussed girder and method of constructing the roof framing of a building using the trussed girder Trussed girder, roof framing using the trussed girder and method of constructing the roof framing of a building using the trussed girder. In the trussed girder, an upper chord and a lower chord are jointed through lattice members. The trussed girder inclu... | 10/06/1987 |
| 4696907 | Identification of reagins in the blood serum of allergen sensitized vertebrates The disclosure is a method for the in-vitro detection and identification of reagins in the blood serum of allergen sensitized vertebrates. The method comprises admixing the blood serum of the vertebrate with solid, porous carrier particles bearing surface... | 09/29/1987 |
| 4696295 | Breathing apparatus A self-rescue breathing apparatus has a radial-flow purifier 3 connected between a mouthpiece and a breathing bag 10. An outer plenum of the purifier is open at both ends, a central conduit is open only at the breathing-bag end. Flap valves 50A and 50B co... | 09/29/1987 |
| 4696313 | Expansion of tobacco The method for expanding tabacco lamina comprises contacting the tobacco with an organic expansion agent, heating the thus contacted tobacco in a closed first vessel so that the temperature of the agent is above the boiling point of the agent at a lower r... | 09/29/1987 |
| 4695326 | Low-cariogenic sweetners The sweetner prepared by adding palatinose to sucrose is a low-cariogenic since palatinose is not only low cariogenic in itself, but also inhibits the formation of insoluble glucan from sucrose in an oral cavity. Since the sweetner is almost same as sucrose in... | 09/22/1987 |
| 4693264 | Treatment of tobacco In the expansion of tobacco, the tobacco is entrained in hot gaseous medium, separated from the gaseous medium and re-introduced and re-entrained in the gaseous medium before being once again separated from the medium.... | 09/15/1987 |
| 4693266 | Smoking material A smoking material comprises tobacco homogeneously mixed with a smoke-affecting proportion of distiller's dried grain with solubles. The smoking material of the invention possesses a smoother, flavor-enhanced smoke.... | 09/15/1987 |
| 4693719 | Mechanical penile prosthesis Disclosed is a fully implanted mechanical penile erection device. Two or more cylindrical segments lock into an axially aligned position. The locking is accomplished by the action of a spring plunger pressing a flat rider against the surface of an adjacen... | 09/15/1987 |
| 4692146 | Multiple vascular access port A multiple lumen vascular access port including a base, first and second lumens in the base, first and second catheters in communication with the first and second lumens, respectively, a boss in contiguous relationship to the first lumen to permit its ide... | 09/08/1987 |
| 4691836 | Apertured closure device with depressible disc portion A closure device for a receptacle is provided with a first generally annular member adapted to be fixed to the receptacle across the opening thereof. A second generally annular member is substantially coaxial with the first annular member and is adapted t... | 09/08/1987 |
| 4692062 | Shield type tunneling machine A shield-type tunneling machine comprises a shield body having a front portion converging gradually rearward, a crankshaft journalled rotatably by a diaphragm provided in the shield body, a drive mechanism connected to an end of the crankshaft and a conic... | 09/08/1987 |
| 4690783 | Method of preparing rosin ester from polyol with phosphorous acid catalyst Phosphorous acid is used to catalyze the esterification of rosin with a polyol. The method is an improvement in that reaction time is shortened and the ester product exhibits improved color and oxygen stability.... | 09/01/1987 |
| 4689405 | Process for the simultaneous synthesis of several oligonucleotides on a solid phase The present invention relates to a process for the simultaneous synthesis of several oligonucleotides on a solid phase by using supports of flat material. Finally, the present invention relates to an apparatus for carrying out said process.... | 08/25/1987 |
| 4689692 | Optical Reader An optical reader comprises a plurality of light emitting elements which illuminate a plurality of points through a plurality of optical fibers, a plurality of light receiving elements which receive reflected light from the plurality of reading points thr... | 08/25/1987 |
| 4689407 | 2-deoxy-3-phosphonylmethyl nucleosides The invention relates to 2'-deoxy-3'-phosphonylmethyl nucleosides that are not substituted in the 2'-position.... | 08/25/1987 |
