Kaiser Aerospace & Electronics Corporation

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
C21D MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS 131
 
 
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING164
 
 
 
F21V FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR 191
 
 
 
F21Y INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21L, F21S and F21V, RELATING TO THE FORM OF THE LIGHT SOURCES 112
 
 
 
G01F MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME 153
 
 
 
G02F DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH IS MODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THE DEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY, COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g. SWITCHING, GATING, MODULATING OR DEMODULATING; TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF; FREQUENCY-CHANGING; NON-LINEAR OPTICS; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS 1113

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6,103,027 Method of making seam free welded pipeNov 12, 97Aug 15, 00[C21D]
5,486,935 High efficiency chiral nematic liquid crystal rear polarizer for liquid crystal displays having a notch polarization bandwidth of 100 nm to 250 nmJun 29, 93Jan 23, 96[G02F]
5,211,463 Backlight for liquid crystal devicesMar 11, 92May 18, 93[F21Y, F21V]
5,137,259 Self adjusting energized valve sealNov 08, 91Aug 11, 92[F16K]
5,133,212 Method and apparatus for measuring the liquid level of a containment tank subject to external forcesAug 12, 91Jul 28, 92[G01F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6,360,617 Load cell device for aircraft waste measurementExpiredJan 27, 99Mar 26, 02[G01L]
5,982,090 Integrated dual mode flat backlightExpiredOct 06, 97Nov 09, 99[H01J]
5,969,699 Stroke-to-strokeExpiredJun 30, 97Oct 19, 99[G09G]
5,748,268 Quasi-tiled active matrix displayExpiredMar 30, 95May 05, 98[G02F]
5,697,810 Method and apparatus for emergency aircraft start systemExpiredApr 13, 95Dec 16, 97[H01R]
5,615,032 Nightvision compatible display with electrically activated infrared filterExpiredAug 12, 94Mar 25, 97[G02F]
5,553,328 Automatically deployable and retractable combiner mechanismExpiredMar 17, 94Sep 10, 96[C02B, A42B]
5,533,331 Safe propulsion system for missile divert thrusters and attitude control thrusters and method for use of sameExpiredMay 25, 94Jul 09, 96[F02K]
5,532,852 High speed, high ambient viewability liquid crystal display assemblyExpiredFeb 23, 94Jul 02, 96[G02F]
5,506,728 Dual combiner eyepieceExpiredJun 10, 94Apr 09, 96[G02B]
5,497,270 Apparatus and method for increasing resolution and expanding the displayed field of viewExpiredJul 13, 94Mar 05, 96[G02B]
5,479,337 Very low power loss amplifier for analog signals utilizing constant-frequency zero-voltage-switching multi-resonant converterExpiredNov 30, 93Dec 26, 95[H03F, G05F, H02M]
5,442,522 Wide dimming range backlight for liquid crystal devicesExpiredMay 18, 94Aug 15, 95[F21V]
5,395,648 Ceramic-ceramic composite prepregs and methods for their use and preparationExpiredNov 09, 89Mar 07, 95[B05D]
5,278,696 Head-up display systemExpiredMay 22, 92Jan 11, 94[G02B]
5,233,458 Method and apparatus to reduce binocular rivalry in a partial overlap binocular displayExpiredJul 01, 91Aug 03, 93[G02B, A61B]
5,211,496 Double wedgelock clampExpiredJan 30, 92May 18, 93[F16B]
5,200,844 Color head-up display systemExpiredMay 22, 92Apr 06, 93[H04N, G02F, G09G]
5,192,384 Methods for forming composite tubing having tapered endsExpiredMay 30, 91Mar 09, 93[B65H, B31C]
5,152,556 High temperature tubing joint with threaded, split collarExpiredDec 24, 90Oct 06, 92[F16L]

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