Zehntel, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 1158

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
RE31828 In-circuit digital testerAug 02, 82Feb 05, 85[G01R]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4967147 Circuit tester having mechanical fingers and pogo probes for causing electrical contact with test fixture assembliesExpiredMay 26, 88Oct 30, 90[G01R]
4870354 Apparatus for contacting a printed circuit board with an array of test probesExpiredAug 11, 88Sep 26, 89[G01R]
4856001 Digital in-circuit tester having channel-memory earse-preventerExpiredMay 29, 87Aug 08, 89[G01R]
4791356 In-circuit testing systemExpiredSep 19, 86Dec 13, 88[G01R]
4791359 Method of detecting possibly electrically-open connections between circuit nodes and pins connected to those nodesExpiredNov 18, 87Dec 13, 88[G01R]
4593804 Apparatus for guiding a circuit board onto a testing location on a test fixtureExpiredOct 21, 85Jun 10, 86[B65G]
4573009 Printed circuit board test fixture with flexion means for providing registration between the test probes and the circuit boardExpiredDec 07, 83Feb 25, 86[H01R, G01R]
4500993 In-circuit digital tester for testing microprocessor boardsExpiredMay 19, 82Feb 19, 85[G06F, G01R]
4439858 Digital in-circuit testerExpiredMay 28, 81Mar 27, 84[G06F, G01R]
4339819 Programmable sequence generator for in-circuit digital testingExpiredJun 17, 80Jul 13, 82[G06F, G01R]
4216539 In-circuit digital testerExpiredMay 05, 78Aug 05, 80[G06F, G01R]

Top Inventors for This Owner

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