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 |
| 4910802 | Exercise suit An exercise suit apparatus is set forth wherein a suit of unitary construction is presented to envelop a human figure from the neck to the feet. The suit includes a plurality of elastic bands associated with each human appendage positioned on opposed side... | 03/27/1990 |
| 4910803 | Apparel having a breach indicator Disclosed is a composite material adaptable to form bodily fluid protection apparel that can alert a wearer that a breach in the apparel has occurred. The apparel comprises a first layer impervious to bodily fluid and a second layer supporting the first l... | 03/27/1990 |
| 4910804 | Head guard and method for making same A head guard, preferably annular brow-band, comprising a longitudinal, preferably annular unit (2) which completely or substantially is made of cellular plastic. In order to ensure that all parts of the head guard provide adequate protection, the cellular... | 03/27/1990 |
| 4910805 | Knit or woven fabric A knit or woven fabric that can be produced from raw silk on a commercial scale and found that this object can be attained by a knit or woven fabric that employs a tubular braid made from raw silk which is optionally blended with other fibers. The present... | 03/27/1990 |
| 4910806 | Adjustable strap for use with a diver's face mask An adjustable strap for use with a diver's face mask includes a flexible, resilient headband having a positive buoyancy in water and an elastic fabric laminated to at least a first side of the headband for comfortably contacting a diver's head to avoid pu... | 03/27/1990 |
| 4910807 | Ratchet adjustment mechanism for bath waste and overflow systems In a trip lever bath waste and overflow system, a valve actuating linkage having a ratchet mechanism for easy length adjustment of the linkage. The ratchet mechanism includes a toothed rod which telescopes into a sleeve equipped with a wire clip serving a... | 03/27/1990 |
| 4910808 | Deodorizer dispenser for a garbage grinder disposer The invention is directed to a dispenser for dispensing sanitizer and/or deodorizer chemical from a pressurized container into the inside of a grinder type garbage disposer. The dispensing device mounts in a convenient location adjacent to the grinding ga... | 03/27/1990 |
| 4910809 | Toilet seat covering Apparatus for supplying a toilet seat with fresh and sanitary cover material and taking up the used material. The cover material is folded lengthwise and is dispensed from a supply reel to one terminus of the seat. The material encircles the body of the s... | 03/27/1990 |
| 4910810 | Toilet seat mechanism A toilet seat assembly comprising a toilet seat and a seat lid (16) hingedly mounted on a toilet bowl so that the lid may be raised independently of the seat. A counterweight (17) or the like biases the seat to the raised position but is inoperative to ra... | 03/27/1990 |
| 4910811 | Plastic floor drain An all plastic floor drain including a rigid plastic connector body and a rigid plastic strainer plate that is received in an annular recess in the connector body. The strainer plate includes a plurality of positioning pins that extend from the lower surf... | 03/27/1990 |
| 4910812 | Semi-flush valve mechanism A semi-flush valve mechanism in a toilet tank is provided with a two way flush operating handle. If the handle is pressed downward the toilet tank is flushed fully in the conventional way. If the handle is pressed upwardly the toilet tank is only half emp... | 03/27/1990 |
| 4910813 | Flapper valve and valve seat sizing element A flush tank h aving an outlet provided with a valve seat and a rigid support member fixed in position inside the tank is provided with a flapper valve formed of elastomeric material and having a body portion adapted to cooperate with the valve seat and h... | 03/27/1990 |
| 4910814 | Splash pool for recreational water slides The splash or landing pool of a water slide has an entry zone of substantially increased depth relative to conventional splash pools and a shallow exit zone leading from the entry zone. The entry zone is provided with a false floor at a depth such that a ... | 03/27/1990 |
| 4910815 | Sanitary toilet seat device A sanitary toilet seat device is set forth for use as an adjunct in combination with a conventional toilet seat or in use with other toilet seat covers wherein the instant invention includes a concave arcuate member for resilient securement to a toilet se... | 03/27/1990 |
| 4910816 | Adjustable bed table A bed table with a vehicular mounting provides adjustable support for a person in a number of different postures, including a reclined table-like configuration and an erect chair-like configuration. The bed table is segmented into three portions, a head s... | 03/27/1990 |
| 4910817 | Joint structure for fabric web having high modulus of elasticity A fabric web having a high modulus of elasticity is used as a spring element in an upholstered article such as a seat or a bed. The fabric web is joined to a metal rod serving as a frame member of the upholstered article by an end portion of the fabric we... | 03/27/1990 |
| 4910818 | Leg positioning assembly A leg positioning assembly includes a pillow adapted to separate the knees of a patient and to maintain the knees in flexion. The pillow is preferably substantially three-lobed, with two lobes forming a base portion and a third lobe forming a portion whic... | 03/27/1990 |
| 4910819 | CT-scanner protective cover and method therefore A CT-scanner includes a patient cushion that fits over a baseplate. Both the cushion and the baseplate have complementary lengthwise fastener strips. A cover of the scanner includes a vinyl central sheet that drapes over side rails of the scanner to form ... | 03/27/1990 |
| 4910820 | Combination hammer and casement window tool A combination hammer and casement window opening and closing mechanism operator for use by a framing carpenter includes a head unit having two impact surfaces and a socket in the handle. The socket is used to operate the crank of a casement window opening... | 03/27/1990 |
| 4910821 | Screen installers tool A screen installer's tool for use when installing screening material in a frame. The tool is designed to be held in the hand with a knife blade at one end and a rotatable screen forming wheel at the other end. The body of the tool is made in two parts joi... | 03/27/1990 |
| 4910822 | System for drying of a water dispersion glue on shoe uppers and/or soles The device is intended to dry the glue (containing polyurethane, neoprene, natural or synthetic rubber or mixtures thereof) after it has been spread on shoe uppers and/or soles. The device can be included in a system which includes carding, spreading and ... | 03/27/1990 |
| 4910823 | Cleaning mechanism for penetration interfaces in nuclear pressure vessels A method and apparatus, comprising a tool having a clam shell design, for sealing the interface volume between the internal wall of a reactor pressure vessel and submerged piping that penetrates the wall, and for cleaning the interface volume using a seri... | 03/27/1990 |
| 4910824 | Floor polisher A floor polisher, while travelling, causes a pad to rotate at a high speed to polish a floor. The floor polisher has a vertically moving mechanism adapted to move the pad in the vertical direction with respect to the floor, a ground pressure adjusting mec... | 03/27/1990 |
| 4910825 | Liquid applicator attachment for a squeegee An attachment for a squeegee includes a resilient mounting member to which a liquid applicator is connected. The liquid applicator preferably comprises a water retentive pad or the like, and the mounting member is preferably formed of a resilient material... | 03/27/1990 |
| 4910826 | Surface working pad assembly A novel surface working pad assembly is described which assembly comprises a fibrous generally disc shaped pad support element having a circular raised portion at its center; the raised portion is sized and configured to fit closely within a circular aper... | 03/27/1990 |
| 4910827 | Barbecue grill with cleaning bar An easy to clean barbecue grill of the type which has a plurality of parallel rods. A cleaning bar surrounds the rods and has holes that are just slightly larger than the rods. The barbecue rods may be simply cleaned by moving the bar from one end of the ... | 03/27/1990 |
| 4910828 | Cleaning apparatus A cleaning apparatus which is of a compact construction to facilitate easy manipulation and portability includes a housing enclosing a fluid pump and a vacuum fan and mounting upon opposite sides a recovery tank and a stowage panel. The stowage panel is a... | 03/27/1990 |
| 4910829 | Poultry cropper and neck breaker There is disclosed a combination crop remover and neck breaker for use as part of a continuous processing station adjacent a conventional poultry processing line wherein partially processed poultry is given a two step processing treatment. The station inc... | 03/27/1990 |
| 4910830 | Process for producing fibrous webs of superposed web layers An apparatus and process for producing fibrous nonwoven fabrics of at least two superposed fibrous web layers of equal or different structure is disclosed by using at least two successively arranged cards (2, 5) in a card set, means for discharging the fi... | 03/27/1990 |
| 4910831 | Two-loop law enforcement restraining device formed from a single, flat strap A positive, secure two-loop restraint for law enforcement is light-weight, strong, inexpensive and disposable and which may be attached to the wrists or ankles to be used in place of traditional handcuffs. The restraint is formed from a single elongated, ... | 03/27/1990 |
| 4910832 | Spring band clamp A clamping band for hoses and other cylindrical objects consists of a flat metal strap having a repetitive pattern configuration to provide desired amounts of elastic and plastic stretch capability and a pawl and tooth connection for adjustably joining th... | 03/27/1990 |
| 4910833 | Double-locking anchor chain tensioner A simplified anchor chain tensioner includes a base bracket, and a multiple function U-shaped lever pivotally mounted to the base bracket. The anchor chain hook is pivotally mounted by threaded engagement to a pivot pin mounted through the two lever arms ... | 03/27/1990 |
| 4910834 | Rope tie-down loop A quick connect adjusting loop for a cargo tie-down rope comprises a body of substantially rigid, high strength material having a first portion forming a loop through which a loop of a tie-down rope extends and a second portion forming slip lock adjacent ... | 03/27/1990 |
| 4910835 | Cord retainer A retainer for an electrical appliance cord comprises a buckle through which a bight of the cord may be passed, and a hook located above the buckle. The hook includes a cross bar aligned with the major axis of the buckle opening and a shank which locates ... | 03/27/1990 |
| 4910836 | Seat belt buckle A seat belt buckle has a latching member (7), which engages the tongue of the buckle. The latching member is pivotally mounted on a channel member, engaging lugs (18) formed in apertures in the side walls of the channel in a substantially friction-free ma... | 03/27/1990 |
| 4910837 | Looming apparatus for a loom A looming apparatus for a loom includes in general a warp beam handling unit for attaching and removing a warp beam to and from the loom, and a handling unit for supporting loom components including at least heddles and a reed threaded by the warp from th... | 03/27/1990 |
| 4910838 | Method for providing a desired sound field as well as an ultrasonic transducer for carrying out the method The present invention provides a substantially gauss-shaped sound field by means of an ultrasonic transducer, the potential on one side of the transducer being varied continuously by means of a thick-film electrode applied in a uniform or varying thicknes... | 03/27/1990 |
| 4910839 | Method of making a single phase unidirectional surface acoustic wave transducer A single-phase unidirectional surface acoustic wave transducer comprising a piezoelectric substrate and a transducer having localized symmetry and constructed for establishing a predetermined separation between the centers of acoustic wave reflection and ... | 03/27/1990 |
| 4910840 | Electroacoustic transducer of the so-called "electret" type, and a method of making such a transducer This invention provides an electroacoustic transducer and a method of making it. The transducer according to the invention comprises a substrate of a semiconductor material with a recessed portion. A membrane is stretched across the recessed portion, whic... | 03/27/1990 |
| 4910841 | Multistation working machine with working unit coupling and stairstep guides An index plate (9) is moiunted on a shaft (7) which is supported against axial displacement on a machine frame (1) and is stepwise rotatably drivable, said plate carrying clamping devices (10) arranged around the shaft and each intended for one workpiece ... | 03/27/1990 |
