"Everyone acquainted with the subject will recognize it as a conspicuous failure."
Henry Morton, president of the Stevens Institute of Technology ; Said in 1880 about the light bulb
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| Number | Title | Issue Date |
| 4399678 | Rack for splining thin-wall sleeves of power transmission members A toothed rack (22) disclosed has a toothed forming face (24) of a novel construction for forming splines (42) in a thin-wall sleeve (36) of a power transmission member (28) by meshing of the rack and a toothed mandrel (26) with the sleeve therebetween to... | 08/23/1983 |
| 4399600 | Vehicle door conversion A method of converting a sedan body having doors with framed and sliding windows to a vehicle body having doors with unframed windows including the substitution of a new glass window panel larger than the original glass panel and a new support system for ... | 08/23/1983 |
| 4399440 | Addressable transducer with a variable frequency oscillation for monitoring a physical quantity An addressable transducer is disclosed for use in monitoring the values of physical conditions in connection with long electric lines, such as telephone cables. Multiple transducers are connected across a single pair of transmission lines which extend fro... | 08/16/1983 |
| 4398618 | Controller for electric traction motor A controller (10) for the traction motor of an industrial truck comprises an actuator spool (56) which is axially shiftable by a manual selector member (12) for actuating a plurality of control switches (44,46,48). Detents (86,78,82,84) hold the spool in ... | 08/16/1983 |
| 4397672 | Glass sheet tempering utilizing high density air quenching A method and quench unit (10,10a,10b) disclosed provide tempering of a heated glass sheet by impinging pressurized air against its opposite surfaces while within a chamber (18) at super-atmospheric pressure. An enclosure (16) of the quench unit defines th... | 08/09/1983 |
| 4397174 | Cam actuated loader for forming machine A loader (10) for a forming machine (12) is disclosed as including a horizontally elongated transfer beam (46) supported by a linkage (52) and moved by a dual output cam unit (62). A first output (64) of the cam unit (62) is connected to an intermediate p... | 08/09/1983 |
| 4394791 | Closure clamp for food bags A closure clamp is disclosed for use with food bags, such as potato chip bags. It comprises a pair of clamp members in hinged construction and a torsion spring for holding the members together and applying a clamping force. Each clamp member includes a ja... | 07/26/1983 |
| 4392654 | Arrow fletching Arrow fletchings (42, 102) disclosed have curved vanes (50, 114) inclined inwardly in a rearward direction to provide pockets (54, 118) for restricting air flow while allowing vane flexing in a manner that moderates drag in response to wind changes. One f... | 07/12/1983 |
| 4392544 | Controller for electric traction motor A controller (10) for the traction motor of an industrial truck comprises an actuator spool (56) which is axially shiftable by a manual selector member (12) for actuating a plurality of control switches (44,46,48). Detent means (86,78,82,84) hold the spoo... | 07/12/1983 |
| 4391204 | Security cabinets for hotel rooms A security cabinet with a coin operated key-lock has the entire locking system including the coin box and a tamper detector alarm mounted inside the cabinet door. The lock cylinder of the cabinet key-lock is mounted on the latch mechanism and accessable a... | 07/05/1983 |
| 4387415 | Cornice lighting fixture A cornice lighting fixture (10) disclosed is designed for use on public transit vehicles (12) and includes a unitary member (20) defining a light housing (22) and a trim panel (24) that extends horizontally and vertically from the light housing. A light c... | 06/07/1983 |
| 4386952 | Glass sheet bending system utilizing gas jets A glass sheet bending system (10) is disclosed as including a compressed gas bending unit (28) located above a horizontal conveyor (22) on which glass sheets are heated within a furnace (12) of the system. A downwardly facing curved surface (26) of a hold... | 06/07/1983 |
| 4386619 | Hair hair-enhancing cap A hair-enhancing cap including netting comprised of a tough wire-like elastic synthetic material and including an outer member, a plurality of supporting members secured to the outer member and a plurality of inner members secured between the outer member... | 06/07/1983 |
| 4384466 | Hydraulic control circuit for loader of thin-wall spline rolling machine A hydraulic control circuit (10) for operating a loader (12) of a machine for splining an annular thin-wall sleeve of a power transmission member is disclosed as including valving (116) for communicating supply and return conduits (102,116) with load and ... | 05/24/1983 |
| 4383862 | Concrete A method of producing aerated concrete, that is, concrete in which a gas is entrained, comprises forming a mortar mix, which includes all the components of the concrete except for the gas. The mix is then pumped at a predetermined rate, to blending means.... | 05/17/1983 |
| 4383428 | Loader for thin-wall spline rolling machine A loader (12) for a spline rolling machine wherein die and mandrel teeth (26,42) mesh with the thinwall sleeve (44) of a power transmission member (30) located therebetween to form splines therein is disclosed as including a loading member (58) with a loc... | 05/17/1983 |
| 4382491 | Drag free disc brake assembly having automatically adjusting caliper In a disc brake assembly, one braking pad is associated operatively with a piston, which moves in a cylinder, and another braking pad is associated with a caliper, which is movable together with the cylinder. A first biasing means retracts the braking pad... | 05/10/1983 |
| 4380918 | Thin-wall spline forming machine Thin-wall spline forming apparatus (20) disclosed includes toothed forming racks (24) having associated tooth pitch lines (48) and a toothed mandrel (22) having a tooth pitch circle (50) that is tangent to the forming rack pitch lines and of a diameter eq... | 04/26/1983 |
| 4379350 | Prosthetic joint for knee and above-knee amputees A prosthetic joint for knee and above-knee amputees consists of a hollow shank (1), open at the top, for receiving the femoral stump, of an attachment member (3) articulatedly joined to this shank for fitting of a below-knee prosthesis (2) with a foot par... | 04/12/1983 |
| 4378714 | Adjustable socket including apertured sleeve An adjustable socket (10) for rotatively driving bolts and nuts is disclosed as including a plurality of jaws (18) mounted on a rotatable driver (16) for quick action adjustment between fully opened and fully closed positions upon rotation of an adjuster ... | 04/05/1983 |