Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 6499667 | Preloading rail clips in steel sleepers In a railway sleeper assembly, a pair of rail insulators (3) designed for use with a steel railway sleeper (1) which includes at the opposite sides of each intended rail location thereon a pair of openings (6) for receiving the respective stems (8) of a p... | 12/31/2002 |
| 6342287 | Elastic pad, especially under-rail An elastic under-rail pad, made of an elastic plastic or rubber, has two opposite sides. At least one of its opposite sides presents a surface which at least partly is defined at least approximately by a simple sinusoidal or cosinusoidal trigonometric fun... | 01/29/2002 |
| 6318939 | Fastening device A fastening device (20), for use in holding a base plate down to a railway sleeper. The device is of the type having a head portion (21), a screw-threaded shank portion (22) and an intermediate portion (23) connecting the head portion (21) to the screw-th... | 11/20/2001 |
| 5801792 | High resolution, high intensity video projection cathode ray tube provided with a cooled reflective phosphor screen support A single gun projection cathode ray tube (CRT) which permits the generation of high brightness image output. The crux of the invention is the provision, in the CRT, of an optically reflecting high thermal conductivity metal plate-like member positioned in... | 09/01/1998 |
| 5718376 | Railway rail-fastening clip and assembly A resilient rail-fastening clip has a first straight portion (11) for locating the clip in a clip anchoring device (2) when the clip is in use, a second bent portion (12), a third heel portion (13), a fourth bend portion (14) and a fifth toe portion (15).... | 02/17/1998 |
| 5678762 | Railway rail fastening assemblies including resilient railway rail fastening clips and associated insulators In an assembly for use in fastening a railway rail to an underlying rail foundation, a resilient railway rail fastening clip (1, 2,3) has at least one portion (1a) which when in use bears on, and extends substantially parallel to, a flange (301) of an adj... | 10/21/1997 |
| 5628795 | Spare parts for use in ophthalmic surgical procedures Ophthalmic "spare parts" which are made of biocompatible material and may be implanted by a surgeon in either the ciliary sulcus or the residual natural capsular bag of a patient's eye following cataract surgery so as to serve as a receptacle for an IOL o... | 05/13/1997 |
| 5614236 | Bottle closure for collecting and trapping sediment A bottle closure for collecting and removing solid sediment particles from a liquid being fermented in situ in a bottle to form an alcoholic beverage. The closure has a skirt portion which is adapted to be removably fastened to the neck of the bottle and ... | 03/25/1997 |
| 5607074 | Baby bottle with pressure relief valve A baby bottle with two open ends and two end caps for securing a nipple and a pressure relief valve assembly to the ends of the bottle. The valve assembly includes an outwardly flanged inverted cup-shaped valve seat member having a base provided with an a... | 03/04/1997 |
| 5605284 | Elastic rail clamps An elastic rail clamp (10), for fastening a rail to an underlying rail plate or rail tie (1). The clamp is of the type comprising a pair of substantially parallel members (19) folded into a D configuration so as to have a front toe portion (16) adapted to... | 02/25/1997 |
| 5593436 | Capsular bag implants with dual 360 ring structures for inhibiting posterior capsular opacification A posterior capsular opacification-inhibiting device designed for in-the-bag implantation has a pair of 360° concentric endless rings having different diameters and interconnected by bridging elements disposing the plane of the outer ring anteriorly offs... | 01/14/1997 |
| 5542684 | Cantilever spring seals for gas isolators A seal for a gas isolator comprises a cantilever leaf spring (1) attached to a fixed frame or a movable member (2) of the isolator, and a bias spring (3) acting on the leaf spring, and a bar (4) disposed below the seal for clamping and supporting the latt... | 08/06/1996 |
| 5511982 | Device for testing a person's attention In a device to test a person's attention or concentration ability, a series of digits is read out at a pre-determined, alterable speed by a speech recorder (62) and delivered by a speech generator (66) to headphones (10). The subject must press a button (... | 04/30/1996 |
| 5507303 | Percutaneous connector A connector set for percutaneous connection of an implanted device, such as an intracochlear implant, to an external system is disclosed. The connector set preferably has a base portion (30) which is adapted to be affixed to the bone structure beneath the... | 04/16/1996 |
| 5488971 | Blades for isolators A blade for an isolator, in particular for a diverter or flap isolator, which comprises a plurality of plate arms (21) to be attached to an isolator shaft (31), and a pair of plates (22), preferably comprising an array of panels, attached to the plate arm... | 02/06/1996 |
| 5486008 | Bullet trap A bullet trap with a passageway defined between flat upper and lower boundary walls extending convergingly, at opposite angles of inclination of between 0° and about 15° to the horizontal, from an entrance opening to an exit opening or throat, and a dec... | 01/23/1996 |
| 5458816 | Apparatus for aerating and/or anaerobically mixing liquids An apparatus for selectively aerating or anaerobically mixing a liquid in a container includes a hollow, star-shaped, multi-vaned rotor (6) arranged in the bottom region of the container (1) for rotation about a vertical axis. The hollow interior of the r... | 10/17/1995 |
| 5429153 | Hydraulic actuator for isolators A hydraulic actuator for an isolator, comprising a casing (1) having a flange (1a) to be mounted to the isolator to be driven, a lever arm assembly (2) connected at each end thereof to a respective one of a pair of identical double acting cylindrical rams... | 07/04/1995 |
| 5374461 | Rotatable wheel assembly A rotatable wheel assembly which is suited for use as a wheel calculator, including a wheel having an axial hole therein and bearing indicia on one of its faces, front and back covers between which the wheel is sandwiched, the front cover having a window ... | 12/20/1994 |
| 5366501 | Intraocular lens with dual 360 degree haptics A posterior chamber intraocular lens (IOL) designed for in-the-bag implantation has a central optic and a surrounding pair of 360° haptics constituted by two concentric endless rings of different diameters. The outer diameter of the outer ring is slightl... | 11/22/1994 |
| 5356570 | Apparatus for aerating liquids An apparatus for aerating liquids includes a gas- and liquid-feeding rotor (6) and a surrounding stator (7) arranged in the bottom region of a container (2). The rotor (6) is mounted for rotation about a vertical axis, and the stator (7) comprises two ver... | 10/18/1994 |
| 5332534 | Process and system for increasing the gas uptake by a liquid being aerated A process and system for enhancing the oxygen uptake by a liquid being aerated in a basin or tank with the aid of an aerator which can only aerate the liquid over a cross-sectional zone smaller than the total floor surface of the basin or tank. To achieve... | 07/26/1994 |
| 5275051 | Method and system for nondestructive testing of railroad crossties A method and system for nondestructively testing in a continuous sequence a multiplicity of railroad track crossties of wood or concrete to determine the condition and life expectancy of each of the crossties and of the track as a whole. The system includ... | 01/04/1994 |
| 5261599 | Rail pads A pad, suitable for spacing the bottom of a railway rail from a rail foundation on which the rail stands, comprises a plate-like rail-supporting portion (1), made of cushioning material, having an upper main face supporting the rail and softer, resilientl... | 11/16/1993 |
| 5221305 | Device for separating multiple-component fluids A device for separating multiple-component fluids includes a truncated cone structure having a conical main section defined by a plurality of coaxially aligned and axially spaced rings of progressively diminishing inner diameters as viewed in the directio... | 06/22/1993 |
| 5195679 | Rail pads A rail pad comprises a membrane (3) from opposite faces of which there project protrusions (4, 5), which may be ribs, possibly extending along the pad, perhaps over its whole length, or studs. The protrusions are such that no line perpendicular to the mem... | 03/23/1993 |
| 5191839 | Rail handling apparatus Insulators which lie between the rail and elastic rail fasteners are correctly positioned on either side of the rail by manipulating the rail by the application of a pulsed force to either side of the rail. A pair of hydraulic rams 19, 20 driven by the sa... | 03/09/1993 |
| 5172574 | Locking system including a customized padlock guard A locking system utilizing a padlock guard which is designed specifically for use with a padlock of the type disclosed in U.S. Pat. No. 3,769,821. The lock has a flat-faced cylindrical housing and an internal key cylinder-operatable bolt which can be sele... | 12/22/1992 |
| 5137233 | Aviational spraying A method of aerial spraying of crops by airplanes mounted with spray jets below and trailing the wings is disclosed. The method comprises the steps of directing the spray jets at an acute angle with respect to the lower plane of the wing against a winglet... | 08/11/1992 |
| 5121671 | Bullet trap A bullet trap for a horizontally fired bullet includes a passageway bounded by upper and lower flat plates which may be inclined to the horizontal at an angle of between 0° and 7°. The passageway has an entrance opening and a shallow exit opening or thr... | 06/16/1992 |
| 5113700 | Bullet trap A bullet trap, for catching a projectile fired from a firearm not more powerful than a .44 Magnum handgun, includes a passageway which has an entrance opening and a shallow exit opening or throat, bounded by upper and lower flat plates inclined to the hor... | 05/19/1992 |
| 5070763 | Bullet trap A bullet trap for a horizontally fired bullet includes a passageway bounded by upper and lower flat metal plates which may be inclined to the horizontal at an angle of between 0° and 7°. The passageway has an entrance opening and a shallow exit opening ... | 12/10/1991 |
| 5058950 | Foldable chair A foldable chair comprising a pair of front legs, a pair of rear legs, and linkage systems interconnecting the legs. The chair is characterized in that each linkage system consists of a pair of compass-like frame members and a respective pair of crosswise... | 10/22/1991 |
| 4997660 | Method and apparatus for controlling foam in a vinegar fermentation process A method and apparatus for controlling the foam in a vinegar fermentation process. As in the prior art, the foam accumulating on the upper surface of the fermentation substrate is moved along a given path axially through a rotor of the apparatus and revol... | 03/05/1991 |
| 4971247 | Pad for placing under a railway rail and a rail-and-fastening assembly including the pad A pad has a base portion, which lies on a foundation and on which a flange of a railway rail lies, and upstanding side portions extending upwardly from opposite sides of the base portion and formed with a recess in which lies a part of a rail clip. The pa... | 11/20/1990 |
| 4934594 | Fastening railway rails An anchoring device (1) anchors a clip (60) to a foundation (50) for a railway rail (66). It has a head part (2) formed with a horizontal passageway (4) which is wider than it is high. In an upstanding wall section (5) there is a recess (6) and this recei... | 06/19/1990 |
| 4915299 | Fastening railway rails A railway rail-fastening clip, made by bending an initially straight rod, is approximately in the form of a letter e. The axies of all parts of the clip, except possibly the free end of the lower arm of the e, lie in a single plane. The rod may have a len... | 04/10/1990 |
| 4913343 | Electrical insulator for insulating a railway rail-fastening clip from a retaining member for it A bushing of electrically insulating material has a passageway, of elongate cross-section, through it. The bushing is inserted in a clip-retaining member and the latter is supported in a mould into which a wet cement mix is poured so that a concrete railw... | 04/03/1990 |
| 4888016 | "Spare parts" for use in ophthalmic surgical procedures For use in ophthalmic surgery, the surgeon has available a supply of "spare parts" which are artificial members, possibly simulating different components of the eye, that are suited, depending on their structural forms and shapes, for surgical implantatio... | 12/19/1989 |
| 4773315 | Control arrangement for a vinegar fermentation process A control arrangement for a two-stage submerged vinegar fermentation process for producing vinegar with a high acetic acid concentration of more than 15% is disclosed. The fermentation system includes a main fermentation tank and a secondary fermentation ... | 09/27/1988 |
