Michael P Iverson, Daron A Isaac: System for performing coupled finite analysis. Alliant Techsystems, TraskBritt, October 24, 2006: US07127380 (89 worldwide citation)

A graphical user interface, together with a comparable scripting interface, couples a plurality of finite element, finite volume, or finite difference analytical programs and permits iterative convergence of multiple programs through one set of predefined commands. The user is permitted to select th ...

Vernon M Benson, Dee R Gill, James P Nielsen, Hosein Mansouri, Noel I Shepherd: Multiple axes fiber placement machine. Alliant Techsystems, Trask Britt, August 1, 2000: US06096164 (83 worldwide citation)

A fiber placement machine undergoes a plurality of axes of motion in locating a delivery head (containing a compaction roller) perpendicular to a mandrel, with relative movement between the head and the mandrel along a predetermined path, which may be over a complex compounded shape. The machine inc ...

Mark Russell Goldberg, Harold Kregg Hunsberger: RF Receiving and transmitting apparatuses having a microstrip-slot log-periodic antenna. Alliant Techsystems, TraskBritt, September 1, 2009: US07583233 (80 worldwide citation)

A log-periodic antenna having a layer of dielectric media interposed between a microstrip log-periodic portion and a slot log-periodic portion where an array of two or more log-periodic antennas that may be placed about vehicles, such as air vehicles, or mounted on stationary structures, such as com ...

Kirby W Beard: High energy electrochemical cell employing solid-state anode. Alliant Techsystems, Haugen and Nikolai, February 8, 1994: US05284721 (66 worldwide citation)

Improved anodes having active materials consisting substantially of one or more lithium insertion compounds further consisting of transition metal chalcogenides or oxides capable of reversibly intercalating lithium ions are disclosed. Cells utilizing these anodes are also disclosed.

Paul L Miller, Mark D Stignani, Gary G Wittmer: Abrasive fluid jet cutting compositon and method. Alliant Techsystems, Merchant Gould Smith Edell Welter & Schmidt, November 15, 1994: US05363603 (54 worldwide citation)

The invention is an abrasive fluid cutting composition comprising a carrier fluid, and an abrasive. Preferably, the composition may also include a surface active agent. The invention also comprises a method for removing material from a substrate through application of the abrasive fluid of the inven ...

William A Barrett, Donald G Krantz: Active cross path position correlation device. Alliant Techsystems, Merchant Gould Smith Edell Welter & Schmidt, July 19, 1994: US05331561 (49 worldwide citation)

A system guides a vehicle along a predefined path by correlating vehicle side range profiles. A lead vehicle gathers side range data using active radiation sources such as light emitting diodes. A microprocessor-based system on board the lead vehicle stores the data into records of a database file, ...

James G Kosalos, Stephen J Szender, James L Roberts, John D Schlatter: Volumetric and terrain imaging sonar. Alliant Techsystems, Merchant Gould Smith Edell Welter & Schmidt, April 6, 1993: US05200931 (47 worldwide citation)

A method and apparatus for the generation of a three-dimensional image representing structures detected within a volume. Two dimensional differential phase measurements are made on backscatter signals. Azimuth, elevation and range are calculated over a statistically large number of spatially diverse ...

Wayne M Gibbons, Scott T Schnelle, Paul J Shannon, Shao Tang Sun: Liquid crystal optical storage medium with gray scale. Alliant Techsystems, Mark Goldberg, December 8, 1998: US05846452 (46 worldwide citation)

An optical storage medium with gray scale capability comprising: a plurality of facing substrates in series; alignment layers disposed on one or both sides of the substrates to give alignment layer pair(s) wherein at least one of the alignment layers of each of the alignment layer pair(s) is an opti ...

Edwin C Thiede, Charles R Seashore, J Allen Cox: Focal plane array seeker for projectiles. Alliant Techsystems, Haugen and Nikolai, July 14, 1992: US05129595 (42 worldwide citation)

The invention provides a relatively low cost, high resolution precision target acquisition and tracking system capable of operation on nonspinning ballistic munition projectiles, or the like. The system includes an imaging IR sensor head which is preferably gimbal mounted and utilizes an ambient tem ...

Edward H Zeigler: Propellant composition for automotive safety applications. Alliant Techsystems, Vidas Arrett & Steinkraus, April 16, 1996: US05507891 (41 worldwide citation)

Clean burning, non-self extinguishing propellant compositions for use in hybrid automotive air bag systems are disclosed. The propellant compositions are based on a mixture of a crystalline nitramine propellant, an energetic or non-energetic binder and one or a combination of an oxidizing propellant ...