In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Number | Title | Issue Date |
| 7026724 | Method for limiting current of starter/alternator in generator mode The system is directed to preserve the starter/alternator in an IC engine installation from potential overload and failure in response to electrical load increases. The system controller monitors starter/alternator output and phase current and regulates output volta... | 04/11/2006 |
| 6675673 | Locking device A compactly constructed locking device with a displaceable securing element fixing a detent element and actuated in a simple way into a detaining position or into a releasing position. The distance between a control cam and the securing element is selecte... | 01/13/2004 |
| 6603319 | Water immersion detecting circuit The object of the invention is to provide a water immersion detecting circuit, which is free from false detection and is stable and highly sensitive in operation. There is provide a water immersion detecting circuit provided on a printed board 11 of an el... | 08/05/2003 |
| 6495752 | Electric wave shielding material An electric wave shielding material provided to be adhered to a window. The material includes a body member composed of a light transmitting surface material; a light transmitting electrically conductive layer provided on the light transmitting surface ma... | 12/17/2002 |
| 6482081 | Vehicle air-conditioning installation with two mixing regions An upper mixing region (210) and a lower mixing region (214) are fed with hot air via a radiator (203) and with cold air by way of respective bypass ducts (205, 208). Respective mixing flaps (212, 219) make it possible to adjust the temperature separately... | 11/19/2002 |
| 6470838 | Device for regulating the cooling of a motor-vehicle internal-combustion engine in a hot-starting state A cooling circuit for a vehicle engine, traveled by fluid under pump action, comprises a cooling branch with a radiator associated with a motor-driven fan unit, and a heating branch containing an air heater. A first device establishes a hot-starting state... | 10/29/2002 |
| 6468028 | Vertical pump with oil lubricant; C-seal for pump; and pump with threaded shaft position adjustment A centrifugal pump includes a C-shaped sealing assembly including an annular spring disposed between opposing legs of a base member. The spring biases the legs away from one another into sealing positions. In other embodiments, a vertical pump may be prov... | 10/22/2002 |
| 6464289 | Reinforced front-face support for a motor vehicle A front-face support for various components at the front end of the vehicle has a plastic body overmolded onto a reinforcement enhancing the mechanical strength of the support. The reinforcement is a fabric of fibers, for example glass or carbon fibers, o... | 10/15/2002 |
| 6464869 | Filter assembly for a faucet A filter assembly for a faucet includes a filtering element accommodated within a filter body. A sleeve is disposed within a neck portion of the filter body. A lock ring is sleeved threadably on the filter body, and pushes a ball to project partially from... | 10/15/2002 |
| 6460675 | Slip clutch with a linear friction wear take-up device, especially for a motor vehicle A slip clutch comprising a reaction plate, a friction disk (100), a pressure plate (11), a cover (12) fixed to the reaction plate, engaging member (13) acting between the cover (12) and the pressure plate (11), a linear wear take-up device comprising devi... | 10/08/2002 |
| 6460268 | Universal bearing pre-load tool and method for using thereof A universal differential bearing preload tool includes a pair of opposite cylindrical discs simulating differential bearing cups, a disc spreading device for adjusting a distance between the discs, and a force measuring device associated with the disc spr... | 10/08/2002 |
| 6461019 | Preferred embodiment to LED light string An LED light string employs a plurality of LEDs wired in block series-parallel, where the one or more series blocks, each driven at the same input voltage as the source voltage (110 VAC or 220 VAC), are coupled in parallel. The LED light string interfaces... | 10/08/2002 |
| 6461267 | Electronically controlled axle assembly An electronically controlled axle assembly having an electronically controllable valve secured to the differential case to control pressure within a hydraulically actuated clutch pack there within. The clutch pack operates to selectively couple a pair of ... | 10/08/2002 |
| 6460677 | Dual ball ramp actuator for locking differential A dual ball ramp actuator having a control ring acting with a pressure plates to supply an axial clutch clamping force to a differential clutch assembly where the ball ramp paths follow overlapping eccentric grooves that can be actuated in both the forwar... | 10/08/2002 |
| 6459027 | Quick release bracket holder for percussion instruments A novel arrangement of a quick release bracket holder for supporting a pair of conga drums on a floor-standing stand through a conga drum holder bracket. The bracket holder comprises a stationary base plate, and a clamp plate disposed parallel to the base... | 10/01/2002 |
| 6453869 | Internal combustion engine with variable ratio crankshaft assembly An internal combustion engine including at least one cylinder having a central axis and a variable ration crankshaft assembly employed to extend a dwell point of a piston and improve connecting rod leverage. The crankshaft assembly comprises a gear set ha... | 09/24/2002 |
| 6454057 | Brake cylinder A brake cylinder device with an effective adjustment bolt processing and with an improved air bleeding effect, wherein an adjustment bolt (40) as a component of an automatic shoe clearance adjustment mechanism, wherein an external thread stem (40a) makes ... | 09/24/2002 |
| 6452505 | System for measuring domestic consumption of electricity, heat, water and gas The system for determining domestic consumption of electricity, heat, water and gas includes: a number of measuring units (2) for measuring consumption of electricity, heat, water and gas; a concentration unit (4) connected to the measuring units (2) to a... | 09/17/2002 |
| 6452138 | Multi-conductor soft heating element A soft heating element utilizing individually insulated electrically conductive carbon or metal containing threads/fibers or metal wires that are woven together with nonconductive threads, into sheets, sleeves or strips. The individually insulated conduct... | 09/17/2002 |
| 6450914 | Adjustable axle shaft endplay The device for adjusting an endplay of an axle shaft in a differential assembly includes an axle shaft supported in a differential case for rotation about a longitudinal axis, and an endplay adjustment member threadedly mounted on a terminal shoulder prov... | 09/17/2002 |
| 6450878 | Ventilation module A ventilation module optimized as to size, accessibility and air circulation, including an motorized fan unit (MFU) (2) for at least one suction turbine (16), a shell housing (15) accommodating the turbine (16) driven in rotation by an electric motor abou... | 09/17/2002 |
| 6450876 | Diffusion of air into a motor-vehicle passenger compartment The air-treatment housing of an air-conditioning apparatus includes, in an upper face, an air outlet for demisting and aeration. A diffusion module is arranged between this upper face of the dashboard. This diffusion module features a demisting vent and a... | 09/17/2002 |
| 6449549 | Comparitor logic control system and method for a clutch A microcomputer-based electronic control system for a full time four wheel drive torque transfer case monitors the relative slip between the front and rear output shafts of the transfer case, and generates a signal to engage an electromagnetic clutch for ... | 09/10/2002 |
| 6438890 | Fishing rod of reel mounting type The present fishing rod comprises a pair of hood portions (14, 16) which are respectively disposed back and forth in such a manner that they are opposed to each other, while the two hood portions (14, 16) respectively include openings for receiving the le... | 08/27/2002 |
| 6439011 | Device for locking the steering spindle of a vehicle A device (1) for locking the steering spindle (2) of a steering gear of a vehicle, having a blocking pin (6) which is arranged in a housing (3) and can be displaced from a release position into a locking position and vice versa. In order to prevent manipu... | 08/27/2002 |
| 6435322 | Duo two leading type drum brake device A small diameter duo two leading type drum brake that can mount a built-in parking brake mechanism. The brake has a link mechanism that includes a pivot lever that is rotatably and pivotally supported at a central region of a first brake shoe. A first str... | 08/20/2002 |
| 6435122 | Boat fender A boat fender with an outer contour designed to prevent damage to the boat, to enhance the retention of a boat to a dock or pillar, and to prevent movement of a boat along its longitude or length while moored to a dock. The boat fender has a V-shaped oute... | 08/20/2002 |
| 6435317 | Brake cable-connecting apparatus for drum brake A brake-actuating mechanism comprises a strut; an operating lever relatively pivoted with respect to the strut about a pivot pin, a brake cable including a cable end engaging with the lever and a resilient member provided to obstruct a cable end engagemen... | 08/20/2002 |
| 6433915 | Preconditioning of the passenger compartment of a vehicle while stationary A complex film containing at least one functional material making it possible to modify the optical properties of the film between a first, transparent state and a second, reflecting state is deposited on at least some of the interior fittings of the pass... | 08/13/2002 |
| 6428276 | Turbine wheel for hydrokinetic coupling apparatus, made of plastic material The invention concerns a hydrokinetic coupling apparatus comprising a turbine wheel capable of being interlocked with a driven shaft and housed in an impulse starter wheel with which it can co-operate for hydrokinetic transmission of a torque to said driv... | 08/06/2002 |
| 6427370 | Picture frame with sound and motion producing means A picture frame includes a frame body having both a sound generating mechanism and a movement mechanism connected to the picture frame. In one embodiment, the movement mechanism comprises a winding member providing additional ornamentation for the picture... | 08/06/2002 |
| 6428441 | Locking differential with clutch activated by magnetorheological fluid A limited slip differential includes a friction clutch mechanism, an electromagnetic coupling, and a camming mechanism disposed between the friction clutch mechanism and the electromagnetic coupling. The camming mechanism converts shearing forces within t... | 08/06/2002 |
| 6426690 | Electromagnetic coil device An electromagnetic coil device, for example, used in a torque detector comprising a coil assembly including a bobbin and coils, a housing for covering the coil assembly, an electric circuit contained in the housing, and a plurality of bus-bars, each one e... | 07/30/2002 |
| 6425640 | Wheel cover with improved retention system The degree of tightness, which a wheel is attached to the wheel of an automobile, may be varied by selectively engaging the ends of a retention ring in a specially formed retention tab ring supporter. The retention ring is supported on a plurality of circ... | 07/30/2002 |
| 6425272 | Padlock with elongated shackle bar A padlock includes an elongated shackle bar, a lock body mounted on a first end portion of the shackle bar, and a lock unit mounted on an opposite second end portion of the shackle bar. The lock body and the lock unit have cross-sections larger than that ... | 07/30/2002 |
| 6425818 | Interior air processing casing, especially for an automobile vehicle An enclosure for treating air (1) of a passenger compartment, especially of a motor vehicle, comprises an inlet (2) which supplies cool air to a mixing chamber (4) and a heating chamber (5) supplying the mixing chamber with heated air. It further comprise... | 07/30/2002 |
| 6422370 | Hydraulically controlled clutch release device The clutch release device comprises an outer body (32), a mock cavity (36) that is radially defined on the outside by an outer tube (68) comprising a liquid feed inlet (42) for a chamber (36) that is joined to a feed pipe which communicates with a bore ho... | 07/23/2002 |
| 6420837 | Antenna driver with constant peak current The electronic circuit which is intended to feed a magnetic-field sending coil has a first input terminal (1) for receiving a power-supply voltage (Ubat), a second input terminal (2) for receiving a periodic control signal (SC), an output terminal (4) for... | 07/16/2002 |
| 6415900 | Hydraulic control receiver with closing plate A hydraulic receiver for clutch control having a fixed part including an internal guide tube and a concentric external body defining a blind annular cavity supplied with fluid. A piston carrying a drive element for engaging a declutching device is mounted... | 07/09/2002 |
| 6415896 | Torque-receiving member and brake cylinder arrangement for drum brake The cylinder body 11 has the first boss 11d through which the wedge-actuating mechanism is inserted and the second boss 11e having an inlet port and outlet port of the fluid away from the first boss 11d, where the first boss 11d is fit in the boss fitting... | 07/09/2002 |