...that on Dec. 15, 1836, the Patent Office was completely destroyed by fire? Lost were some 7,000 models, 9,000 drawings, and 230 books plus all records of patent applications and grants.
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| Number | Title | Issue Date |
| 6761336 | Aircraft tailstrike avoidance system An aircraft flight control system is provided for reducing the likelihood of an aircraft tailstrike. The flight control system includes a pitch command provided to a pitch control device for altering the aircraft's pitch attitude. The improvement is a system of alte... | 07/13/2004 |
| 6422517 | Aircraft tailstrike avoidance system An improvement to an aircraft flight control system is provided for reducing the likelihood of an aircraft tailstrike. The flight control system includes a pitch command provided to a pitch control device for altering the aircraft's pitch attitude. The im... | 07/23/2002 |
| 6344700 | Redundant electrical DC power system for aircraft A DC electrical power generation system for aircraft having primary and emergency generation systems is disclosed. The system includes a transmission driven power generator, a dedicated generator control unit and a distribution network for providing suffi... | 02/05/2002 |
| 5645925 | Advanced composite blends The physical properties of high performance composites can be tailored by using blends to make the composites. The resulting composites are relatively easy to make and have long-term, high performance capabilities even in harsh service conditions. The ble... | 07/08/1997 |
| 5234014 | Fuel control governor A mechanical fuel control governor employs a flyweight assembly for lifting the spindle of a fuel valve and allowing fuel to be bypassed from a high pressure line. The spindle is rotated via a fluid coupling between the ball head and the drive spindle suc... | 08/10/1993 |
| 5120819 | High performance heterocycles Linear or multidimensional, crosslinking, solvent resistant oxazole, thiazole, or imidazole (i.e., heterocycle) oligomers and blends of the crosslinking oligomers and noncrosslinking comparable polymers are described. The oligomers are prepared by reactin... | 06/09/1992 |
| 5111402 | Integrated aircraft test system An integrated aircraft system for funtionally testing the components and subsystems of an aircraft during its manufacture and subsequent maintenance. A central control unit serves as a repository for test applications and instruction sets that comprise th... | 05/05/1992 |
| 5033073 | System for radiograhically inspecting a relatively stationary object and related method An improved system for radiographically inspecting a relatively stationary object and a related method are disclosed. A source transmits radiation toward a selected location at which the object is positioned. Radiation interactive with the object is there... | 07/16/1991 |
| 4934199 | Method and apparatus for preparing specimens for destructive testing of graphite epoxy composite material A method of preparing specimens of composite material for destructive testing is disclosed. A panel from which the specimens are to be cut is cut from a sheet of composite material. The panel is cut from the sheet by first cutting the sheet along a line t... | 06/19/1990 |
| 4892626 | Method for plating one side of a woven fabric sheet In a method for plating one side of a woven fabric sheet, a backing layer is applied to one side of the sheet. The sheet and backing layer are wetted in an electrolytic solution containing metallic ions to be deposited on one side of the fabric sheet only... | 01/09/1990 |
| 4850458 | Bidirectional rotary brake A bidirection brake for a rotary device prevents a reverse load or an overrunning load at the output of the rotary device from rotating the output in either direction. The brake includes a pair of opposing plates having pockets formed in their surfaces wh... | 07/25/1989 |
| 4825375 | Apparatus and methods for apportioning commands between aircraft flight control surfaces A controller for apportioning high amplitude and low amplitude control signals between two aircraft control surfaces, such as for example, between an elevator and an associated movable horizontal stabilizer. The signals are separated along a first path an... | 04/25/1989 |
| 4811230 | Intervention flight management system An Intervention Flight Management System (IFMS) that allows a pilot to intervene in the operation of a preprogrammed flight management computer and change the speed and/or flight path of an airplane in response to air traffic control (ATC) instructions is... | 03/07/1989 |
| 4776076 | Method of fabricating a rotor hub of composite material A method of fabricating a rotor hub of a fully articulated helicoper rotor system, the rotor hub including a central portion and at least two pairs of lug arms extending therefrom, according to which composite material is dispensed onto the mandrel and wo... | 10/11/1988 |