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BIDDLE CO JAMES G

Overview
  • Total Patents
    34
About

BIDDLE CO JAMES G has a total of 34 patent applications. Its first patent ever was published in 1940. It filed its patents most often in United States, EPO (European Patent Office) and United Kingdom. Its main competitors in its focus markets measurement, electrical machinery and energy and control are LINCOLN METER COMPANY LTD, MICROPROBE INC and MUTUAL ELECTRIC TRUST LTD.

Patent filings per year

Chart showing BIDDLE CO JAMES Gs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Reynolds Peter H 9
#2 Mcardle Kevin 4
#3 Saile Charles J 2
#4 Gams Theodore C 2
#5 Foster William P 2
#6 Clarke David 2
#7 Smith Norman L 2
#8 Leszczynski Steven A 2
#9 Ironside Donald S 2
#10 Lawrence Rick 2

Latest patents

Publication Filing date Title
US2008088299A1 Attachment device and method for fastening electrical cable monitoring instruments to electrical cables
US7106078B1 Method and apparatus for measuring transformer winding resistance
US5214240A High voltage insulator testing system
US5142104A High voltage insulator testing system
US5194817A Apparatus and method for testing insulation using a pulsed resonant power supply
US5128620A High voltage insulator testing system
US5083086A Differential arc reflectometry
US4866391A System and method of simultaneously measuring a multiplicity of grounds on utility poles
WO8403772A1 Insulation analyzer and method
US4646248A Insulation analyzer apparatus and method of use
US4054832A System and method of measurement of insulation qualities of three-phase power equipment
US3968426A Method of A.C. insulation testing utilizing a variable inductive reactor in parallel with a test specimen
US3883836A Variable inductive reactor
US3496560A Logic assisted manual system
US3201686A Corona test set calibrator having a mercury wetted relay switch for providing a square wave calibration signal
US3156798A Resonant frequency reed relay
US2948849A Method and apparatus for measuring apparent corona charge
US2831937A Vibratory reed device and system employing the same
US2681588A Vibrating reed device
GB673052A Improvements in electrical measuring instruments