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...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 7251852 | Wiper system The invention is based on a wiper system (10) having a mounting plate (12), on whose mounting plate tube (14) a wiper bearing (20) is disposed on one end and a cast part (16) is disposed on the other, and a first bearing housing ( | 08/07/2007 |
| 7210190 | Wiping device A wiping device particularly for motor vehicles includes a wiper blade formed of a wiper rubber with two longitudinal grooves arranged opposite each other and a supporting element in the form of two elongated elastic rails arranged in the longitudinal grooves. An ad... | 05/01/2007 |
| 6766554 | Low acceleration symmetrical overlap wiper system A windshield wiper drive imparts overlapping butterfly oscillation to a pair of spaced wiper shafts from a rotary drive member having a crank arm. A drive link is provided having first, second, and third connection points. The first connection point is adjacent one ... | 07/27/2004 |
| 6708365 | Drive mechanism for a wiper system The drive apparatus for a wiper system (10) has a reversible wiper motor (18), a lever drive mechanism connected with a wiper (12), which includes a drive lever (36), e.g. a cross guide rod, and a four-bar wiper lever (40) connecte... | 03/23/2004 |
| 6691366 | Wiper system The invention is based on a wiper system having a wiper motor, which via a motor crank, seated on a motor shaft, and two connecting rods drives a drive shaft of two windshields wipers, wherein a first connecting rod is pivotably connected directly to the ... | 02/17/2004 |
| 6536069 | Wiper system mechanism A vehicle wiper system is provided including a cross-vehicle shaft that drives a pair of actuation mechanisms for driving a pair of wiper assemblies. The actuation mechanisms each include a crank, a connecting rod and a lever arm, whereby the connecting r... | 03/25/2003 |
| 6288509 | Method for controlling an opposed wiping type wiper apparatus and an opposed wiping type wiper apparatus In an opposed wiping type wiper apparatus, left and right wiper blades which perform wiping operations with a predetermined preceding-following relationship maintained are layered vertically at their lower returning positions. A wiper drive control unit c... | 09/11/2001 |
| 6178587 | Rotary window cleaner A rotary window cleaner comprises a first wiper (2) and a second wiper (3) connected respectively to a rotating shaft (22) of a first motor (20) and a rotating shaft (25) of a second motor (21) which are arranged adjacently in series to each other, and sa... | 01/30/2001 |
| 6101887 | Windshield wiper drive mechanism A windshield wiper drive mechanism comprises a casing housing a motor and a reciprocating mechanism for converting the rotary motion of the motor to a reciprocating motion of an output shaft. Damping mechanism are provided for damping the rotation of the ... | 08/15/2000 |
| 5894652 | Opposed wiping type wiper unit An opposed wiping type wiper unit for use with one of right-hand and left-hand specifications has a crank arm that rotates when driven by a motor, an intermediate link connected to right-hand and left-hand wiper shafts through driving rods, and a connecti... | 04/20/1999 |
| 5226200 | Space crank wiper system with adjustable wipe pattern An adjustment mechanism uniquely tailored to a space crank wiper system is used to adjust the wipe angle, specifically to lower the inwipe to give a depressed park position. The characteristic spacing of a four bar spatial mechanism that drives the wiper ... | 07/13/1993 |
| 5210900 | Rotary window cleaner First and second rotary wipers which are disposed proximate with respect to each other so that a lag angle formed at the initiation of operation is held during operation thereof. The lag angle generated at the initial operation time is cancelled when the ... | 05/18/1993 |
| 4969227 | Drive mechanism for overlapping wipers A drive for overlapping wipers includes a pair of wiper shafts offset to different sides of a drive shaft, each driven by a spatial mechanism, which, by virtue of the offset from the drive shaft, creates a position and speed differential between the wiper... | 11/13/1990 |
| 4765018 | Wiper assembly with automatically extending wipe pattern A passenger side wiper includes a means that allows its normal wipe pattern to automatically extend under extreme conditions of high windshield wetting, and high wiper speed. A preloading spring mechanism allows the wiper arm to slip under the inertial ef... | 08/23/1988 |
| 4262383 | Window-wiping device for double headlights on motor vehicles A device for wiping the windows of double headlights on a motor vehicle, which includes two wipers angularly spread out and set in motion in accordance with an alternative circular movement on a joint motor shaft located inside a zone included between two... | 04/21/1981 |
