Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 4387842 | Bulk material handler and feeder A bulk material feeder (10) has two rollers (12,14), at least the lower (14) of which is driven (24,26). Strip material (34) is threaded around the side of the upper roller (12) toward the direction of feed, between the rollers (12,14), around the side of... | 06/14/1983 |
| 4372156 | Method and apparatus for determining cylinder liner projection A method of determining the projection of the upper end (15) of a cylinder liner (14) above the top surface (13) of a cylinder block structure (10). The cylinder liner (14) is caused to be fully inserted into the cylinder bore (11) by a press ring (32) ac... | 02/08/1983 |
| 4371205 | Door lock A vehicle door lock (201) and latch (204) assembly is provided whereby a key may be used to lock the door (200) and to prevent rotation of the outside door handle (214). An inside door handle (202) is provided remote from the lock assembly (201) and conne... | 02/01/1983 |
| 4368652 | Friction assemblies for use in planetary transmissions A reversible friction plate including a generally circular, disk-like member having generally parallel, opposed friction surfaces, an opening in the center of the member, at least three, equally angularly spaced tangs extending radially outwardly from the... | 01/18/1983 |
| 4366674 | Internal combustion engine with Rankine bottoming cycle An internal combustion engine with a Rankine bottoming cycle including an internal combustion engine (10) with an exhaust (12) for exhausting combustion gases. Included is an expander (24) having a mechanical output (26) for performing useful work and a b... | 01/04/1983 |
| 4363231 | Door lock A vehicle door lock (106) and latch (104) assembly is provided whereby a key may be used to lock the door (100) and to prevent rotation of the outside door handle (108). A lock handle (116) is provided inside the vehicle door (100) for overriding the key ... | 12/14/1982 |
| 4362089 | Valve system A fluid power control system (17) having an improved control valve (20) providing reduced regulated pressure fluid selectively from a high pressure pump supply (P) or the fluid motor (10) under conditions wherein the pump supply has failed to supply the d... | 12/07/1982 |
| 4360313 | Lift fixture A lift fixture (10) for holding and centering a workpiece (93) includes a handling ring (16) defined by a yoke (17) and a clamp slide (20) mounted on the yoke, means (48) for closing the clamp slide (20), a support apparatus (12) for positioning the handl... | 11/23/1982 |
| 4360312 | Scrap removal apparatus A scrap removal apparatus (35) for retrieving scrap material (32,33) from a two-piece table (19) includes a programmed lift arm assembly (37) movable between the table (19) and scrap accumulating areas (82,83) and has remotely actuable mechanical gripping... | 11/23/1982 |
| 4360169 | Cable tensioning and applying apparatus An apparatus (16) is provided for winding inextensible flexible elongate material, such as cable (15), on a carcass (10) of a body while maintaining the tension on the elongate material (15) substantially uniform. A shuttle (20) carries at least one compe... | 11/23/1982 |
| 4360055 | Heat exchanger A heat exchanger such as an oil cooler for exchanging heat between two fluids such as coolant water and oil in which the heat exchanger has a tank or casing through which coolant is circulated and containing a stack of heat exchange units each comprising ... | 11/23/1982 |
| 4359864 | Burn-out type cleaning means for particulate filter of engine exhaust system Apparatus for raising the temperature of internal combustion engine exhaust gases high enough to burn collected particulate material from particulate filter means (27/56) in the exhaust system. An electrical resistance heating element (37/71) which confro... | 11/23/1982 |
| 4355973 | Radiant heating apparatus A radiant heating apparatus of the type that has a heating tube (13) with ends (14, 15) opening outside the furnace chamber (12), has first and second regenerator cores (33, 34) in opposite first and second tube ends (14, 15) and first and second fluid fu... | 10/26/1982 |
| 4344811 | Body positioning and driving apparatus An apparatus (10) is provided for positioning an driving a toroidal body (11), such as a sand core or the like, during the building of portions of the body. The apparatus (10) includes a height adjusting mechanism (16) for raising the horizontal mid-circu... | 08/17/1982 |
| 4343563 | Tapered spline and method of manufacturing same A first member (7) with a tapered spline (6) and a method of making same, which tapered spline (6) provides an improved backlash-free mating with a second member (10) having a conventional straight spline (9). The method of forming the spline (6) consists... | 08/10/1982 |
| 4343119 | Beveled lobe anti-skid grating An improved anti-skid tread or grating (10) design is provided with gripping members or rosettes (30) having a plurality of upstanding individual lobes (36) which are configured in such a way and project high enough to provide an excellent gripping surfac... | 08/10/1982 |
| 4343064 | Device for connecting a wiper blade holder to a wiper arm A connector or adaptor is provided for connecting a windshield wiper arm (1) to a superstructure (5) of a windshield wiper blade. The arm end has aligned bores (2) and a spring clip (3) for securing the arm to a pin on a blade. The connector or adaptor is... | 08/10/1982 |
| 4341243 | Pressure reducing valve with floating stem for make-up vent A fluid control system for controlling a fluid motor (12) wherein a pressure regulating pilot valve (10) controls a directional control valve (11) by manipulation of handle (21) associated with the pilot valve (10). The directional control valve (11) incl... | 07/27/1982 |
| 4341070 | High thermal efficiency power plant and operating method therefor A method of performing work and an apparatus for performing the method utilizing the following thermodynamic cycle. Ambient air is isothermally compressed to a predetermined degree (A-B) and then heat is added to the air at constant pressure (B-C). This i... | 07/27/1982 |
| 4337932 | Safety device for a workpiece holder A workpiece holder (10) having a plurality of elements (38) movable radially outwardly into engagement with an inner surface of a workpiece (74) in response to movement of a cam (48) and includes at least one spring-actuated latch (56) which engages the c... | 07/06/1982 |
| 4337386 | Welder control An automatic welder control 10 for direct and reverse polarity welding has an analog signal control circuit with an isolator 34 connected therein. This prevents the establishment of a circulating current path from the welder power drive circuit 14 through... | 06/29/1982 |
| 4335911 | Door holder A door structure (10) having a blocking element (19) selectively positionable to hold a door (13) in an open disposition relative to an opening (12) in a wall structure (11) to which the door is hingedly mounted. The door holding structure includes a bloc... | 06/22/1982 |
| 4335751 | Accumulator A mushroom-shaped shield body, that is, a shield body having a configuration consisting of a back surface tapered section having its diameter successively increased towards the inside of an accumulator and a stem portion, is disposed coaxially at the insi... | 06/22/1982 |
| 4334681 | Game apparatus for use with a paddle and a ball The invention comprises a game in which each opposing player utilizes a racquet, a paddle, or a hand to propel a ball onto a game board apparatus having three playing surfaces. These playing surfaces are related to one another at angles which are within a... | 06/15/1982 |
| 4331344 | Fairing mounting apparatus A disk on a motorcycle fork blocks the flow of air and water upwardly along the fork and is rotatable in a frame mounted carrier located inside a motorcycle fairing mounted on the motorcycle frame. The disc also functions as an engine noise barrier. A pai... | 05/25/1982 |
| 4329603 | Directly cooled, rotating rectifier assembly for a synchronous machine A plurality of individual semiconductor diode wafers secured to the rotor of a synchronous machine rectify AC from an excitation power source to provide DC to the main rotating field element. The diode wafers, connected as either a half wave or a full wav... | 05/11/1982 |
| 4329596 | Dishwasher dispenser control A dishwasher dispenser control having a circuit including two single pole, double throw switches for actuating the heater of the dishwasher independently or in combination with dispenser elements of the dishwasher. The operators for the dispenser elements... | 05/11/1982 |
| 4328719 | Micromotion multiplier Apparatus (19) for sensing forces (29) such as in a power transmission apparatus (10) and magnifying the sensed forces suitably to provide an output (28) such as for use in controlling associated equipment (12, 18) to limit the forces. The sensing apparat... | 05/11/1982 |
| 4327599 | Blocking mechanism A toggle linkage (70) is provided to interact between a pair of levers (50,52) located between a pair of input functions, i.e. a pair of depressible foot treadles (22,24), and a pair of output functions, i.e. control linkages for operating a variable disp... | 05/04/1982 |
| 4327286 | Method and apparatus for measuring the risk of ice formation Method and apparatus for measuring conditions affecting susceptibility of a surface to ice formation, as for an aircraft. Detection surfaces are provided with cooling and heating elements. At least a portion of a detection surface is cooled below the ambi... | 04/27/1982 |
| 4326520 | Brake-actuated catheter feeder A catheter feeder is comprised of two parts that are secured together about a catheter as the catheter is being inserted into a vessel, such as a vein or artery in a cardiovascular system. The catheter feeder is provided with a finger-operated brake. The ... | 04/27/1982 |
| 4324536 | Link-coupled rotor assembly A fastening system particularly suited for securing parts of a rotor of a slant axis rotary mechanism together including links (110) abutting each of the rotor parts (60, 62), and spanning the interface (ABCD) between the parts. Pivotal nut structures (10... | 04/13/1982 |
| 4324340 | Aluminum can with collapsible sidewall A seamless aluminum container of the type used for beer, soft drinks, edible goods or the like is provided which container is adapted to be manually axially collapsed to a smaller size when its contents are exhausted, the container collapse being accompli... | 04/13/1982 |
| 4324337 | Article support rack This invention relates to a support rack for articles such as towels. In one form the support rack is provided with spring latches which are adapted to grip the towel so as to prevent retraction therefrom in a downward direction. However a towel supported... | 04/13/1982 |
| 4324303 | Equalizer bar support assembly An equalizer bar support assembly has an equalizer bar (14) mounted on a bearing (24) carried by a flanged bearing support (25) on a track roller frame (16). A support plate (98,150) is attached to one end portion of the flanged bearing support (25). In o... | 04/13/1982 |
| 4324282 | Tire changing apparatus A tire changer including a base mounting a tabletop provided with wheel securing clamps. The tabletop is mounted on the base for movement between tire changing positions and a generally vertical wheel loading and unloading position. The tabletop is provid... | 04/13/1982 |
| 4324114 | Moveable joint seal An improved seal (10) for use in a universal joint (11) having an elastic seal ring (23) compressed between a pair of right circularly cylindrical sleeves (24,25). The seal ring is bonded to the sleeves. The sleeves are adapted to have press-fitted relati... | 04/13/1982 |
| 4324019 | Windshield wiper connecting pin adaptor In a windshield wiper assembly (10), a connecting adaptor (14) converts a center mounted pin connection between a wiper arm (11) and a pressure-distributing yoke (13) to a side mounted pin connection. In assembled position, the connecting adaptor (14) is ... | 04/13/1982 |
| 4323329 | Hydraulic-driven electro-lifting device An improved mobile magnetic lifting assembly for providing magnetic pickup and release in response to hydraulic control. A hydraulic drive motor and electric generator are disposed within a housing which includes an electromagnet attached thereto. The mot... | 04/06/1982 |
| 4322039 | Profile actuated cable wrapping apparatus A cable-wrapping apparatus is provided for applying cable (26) to a toroidal, non-cylindrically-shaped body (10) under uniform tension and with a uniform spacing. The machine includes a shuttle (20) rotatable about a transverse section of said body (10), ... | 03/30/1982 |
