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ZEHNTEL INC

Overview
  • Total Patents
    37
About

ZEHNTEL INC has a total of 37 patent applications. Its first patent ever was published in 1974. It filed its patents most often in United States, United Kingdom and Canada. Its main competitors in its focus markets measurement, computer technology and audio-visual technology are CHECKSUM LLC, TESEDA CORP and MEMBRAIN LTD.

Patent filings in countries

World map showing ZEHNTEL INCs patent filings in countries

Patent filings per year

Chart showing ZEHNTEL INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Raymond Douglas W 10
#2 Garrett Thomas C 6
#3 Fowler Pat 3
#4 Borrelli Ronald N 3
#5 Jacobson Robert G 2
#6 Jacobsen Robert Gerald 2
#7 Mcelfresh Barbara K 2
#8 Raymond D W 2
#9 Petersen Gerald W 2
#10 Garrett T C 2

Latest patents

Publication Filing date Title
US4870354A Apparatus for contacting a printed circuit board with an array of test probes
EP0293260A2 Digital in-circuit tester having a channel-driver inhibitor
US4967147A Circuit tester having mechanical fingers and pogo probes for causing electrical contact with test fixture assemblies
US4791359A Method of detecting possibly electrically-open connections between circuit nodes and pins connected to those nodes
US4856001A Digital in-circuit tester having channel-memory earse-preventer
US4593804A Apparatus for guiding a circuit board onto a testing location on a test fixture
US4573009A Printed circuit board test fixture with flexion means for providing registration between the test probes and the circuit board
US4500993A In-circuit digital tester for testing microprocessor boards
US4439858A Digital in-circuit tester
US4339819A Programmable sequence generator for in-circuit digital testing
US4216539A In-circuit digital tester
US4070565A Programmable tester method and apparatus
US3943439A Capacitor test apparatus and method
US3931506A Programmable tester