GRUMMAN CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G06F ELECTRIC DIGITAL DATA PROCESSING 3444
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM2155
 
  
 
G01B MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS198

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6077600 Ceramic catalytic converterJul 07, 98Jun 20, 00[B32B]
5672436 Oxidation protection method for titaniumMay 31, 90Sep 30, 97[B32B]
5666468 Neural network binary code recognizerDec 02, 94Sep 09, 97[G06F]
5422721 Fourier transform spectroscopy by varying the path length difference between the paths in each of a plurality of pairs of optical pathsApr 11, 94Jun 06, 95[G01B]
5408675 Programmable rank order filterDec 23, 92Apr 18, 95[G06F]
5381357 Complex adaptive fir filterMay 28, 93Jan 10, 95[G06F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5995900 Infrared traffic sensor with feature curve generationExpiredJan 24, 97Nov 30, 99[G08G]
5054066 Error correcting public key cryptographic method and programExpiredNov 16, 88Oct 01, 91[H04L]
4928286 Hypersonic gasdynamic laser systemExpiredJul 21, 88May 22, 90[H01S]
D298025 Non-pneumatic wheel or similar articleExpiredDec 09, 85Oct 11, 88[]
D297425 Non-pneumatic wheel or similar articleExpiredAug 29, 85Aug 30, 88[]
4597630 Self-derived reference beam holography using a dove prismExpiredJun 04, 79Jul 01, 86[G02B, G03H]

Top Inventors for This Owner

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