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ELTRA CORP

Overview
  • Total Patents
    518
About

ELTRA CORP has a total of 518 patent applications. Its first patent ever was published in 1954. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets electrical machinery and energy, environmental technology and textiles and paper are GOODSON GEORGE ARTHUR, UPRETI SHAILESH and CARBONE CORP.

Patent filings per year

Chart showing ELTRA CORPs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Badger John P 17
#2 Hardin James T 14
#3 Klepper Herbert 12
#4 Hansen Walter I 11
#5 Roberts William J 11
#6 Jensen Henry E 9
#7 Mattson Richard W 9
#8 Wetzel William C 8
#9 Lovrenich Rodger T 8
#10 Brayley Elwin J 8

Latest patents

Publication Filing date Title
JPS58169713A Apparatus for producing multicore ribbon cable twisted as a pair with linear line zone intermittently
US4718330A Hydraulic cylinder
BR8108433A Electrical control equipment to control the power supplied to a load
CA1169156A Apparatus for conforming the length of a data stream to a transmission line
US4354466A Idle speed controller
GB2100089A Facsimile system with reduction of line spacing error
CA1141837A Electrical connector
GB2094108A Method and apparatus for synchronizing a station connected in a data line
GB2094109A A method and apparatus to serially load multibit data to a terminal of a data ring system
GB2094110A A method and apparatus for locating a discontinuity in a data transmission
US4359508A Lead-acid storage battery
US4327185A Refractory compositions with binder
US4331516A Curing of tetrabasic lead pasted battery electrodes
US4338163A Curing of tetrabasic lead pasted battery electrodes
US4369666A Starter drive assembly
GB2064810A Optical scanning system for electro photographic typesetter
US4295940A Method for battery plate
US4368717A Automatic shut-off circuit for electronic ignition system
US4331955A Method and apparatus for smoothing outlines
US4371833A Speed switch