PARAMETRIC TECHNOLOGY 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 8439
 
  
 
G06T IMAGE DATA PROCESSING OR GENERATION, IN GENERAL 1134
 
  
 
H04B TRANSMISSION 1209

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8250057 Method for automatically sensing a set of itemsFeb 17, 10Aug 21, 12[G06F]
8154545 Method for producing technical drawings from 3D models with at least two colliding 3D bodiesDec 06, 05Apr 10, 12[G06T]
8121998 Method for automatically enabling traceability of engineering calculationsMar 02, 05Feb 21, 12[G06F]
7661101 Synchronous and asynchronous collaboration between heterogeneous applicationsJan 15, 04Feb 09, 10[G06F]
7187940 Decorrelating rake receiver apparatus and methodJul 31, 03Mar 06, 07[H04B]
6275866 Manipulation and coupling of object oriented componentsMar 03, 98Aug 14, 01[G06F]
5844555 Locking mechanism for live mathematical documentsJun 20, 96Dec 01, 98[G06F]
5771392 Encoding method to enable vectors and matrices to be elements of vectors and matricesJun 20, 96Jun 23, 98[G06F]
5526475 Method for live symbolic calculations in a mathematical document editorMar 02, 94Jun 11, 96[G06F]
5469538 Mathematical document editor and method performing live symbolic calculations for use with an electronic bookMar 04, 94Nov 21, 95[G06F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2012/0110,595 METHODS AND SYSTEMS FOR MANAGING CONCURRENT DESIGN OF COMPUTER-AIDED DESIGN OBJECTSAbandonedOct 28, 10May 03, 12[G06F]
7373291 Linguistic support for a recognizer of mathematical expressionsExpiredFeb 18, 03May 13, 08[G06F]
2007/0239,802 System and method for maintaining the genealogy of documentsAbandonedApr 06, 07Oct 11, 07[G06F]
2004/0054,701 Modeless gesture driven editor for handwritten mathematical expressionsAbandonedMar 03, 03Mar 18, 04[G06F]
2003/0160,779 Method and apparatus for managing solid model feature history and changesAbandonedFeb 26, 02Aug 28, 03[G06T]
2003/0163,604 Method and apparatus for design and manufacturing application feature interoperabilityAbandonedFeb 26, 02Aug 28, 03[G06F]
2003/0156,127 METHOD AND SYSTEM FOR VERIFYING THE INTEGRITY OF A CAD FORMAT TRANSLATIONAbandonedMay 24, 99Aug 21, 03[G09G]
2003/0033,191 Method and apparatus for a product lifecycle management processAbandonedJun 15, 01Feb 13, 03[G06F]
5687304 Real-time image generation system for simulating physical paint, drawing media, and feature modeling with 3-D graphicsExpiredNov 22, 96Nov 11, 97[G06F]
5680523 Systems and methods for developing three-dimensional data through the identification of curves on a perspective sketchExpiredOct 04, 96Oct 21, 97[G06F]
5592597 Real-time image generation system for simulating physical paint, drawing media, and feature modeling with 3-D graphicsExpiredFeb 14, 94Jan 07, 97[G06F]
5251160 System for blending surfaces in geometric modelingExpiredAug 27, 91Oct 05, 93[G06F]
4646251 Computer graphics, parametric patch parallel subdivision processorExpiredOct 03, 85Feb 24, 87[G06F]

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