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SCHWEITZER ENGINEERING LAB INC

Overview
  • Total Patents
    1,396
  • GoodIP Patent Rank
    3,058
  • Filing trend
    ⇧ 25.0%
About

SCHWEITZER ENGINEERING LAB INC has a total of 1,396 patent applications. It increased the IP activity by 25.0%. Its first patent ever was published in 1989. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and Canada. Its main competitors in its focus markets electrical machinery and energy, environmental technology and measurement are SCHWEITZER ENGINEERING LABORATORIES INC, SCHWEITZER ENG LAB INC and NANJING GUODIAN NANZI WEIMEIDE AUTOMATION CO LTD.

Patent filings per year

Chart showing SCHWEITZER ENGINEERING LAB INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Whitehead David E 160
#2 Guzman-Casillas Armando 158
#3 Schweitzer Edmund O Iii 129
#4 Kasztenny Bogdan Z 124
#5 Schweitzer Iii Edmund O 122
#6 Lee Tony J 116
#7 Skendzic Veselin 90
#8 Roberts Jeffrey B 87
#9 Fischer Normann 78
#10 Zweigle Gregary C 76

Latest patents

Publication Filing date Title
US2021111651A1 Genset engine paralleling controls, devices, systems, and methods
US2021111653A1 Induction motor slip calculation
US2021111652A1 Energy packet control of generator prime mover
US2021018538A1 High-fidelity voltage measurement using a capacitance-coupled voltage transformer
US2021111550A1 Digital input electric power system panel meter
US2021111586A1 Electric power system transducer failure monitor and measurement recovery
US2021111555A1 Primary and system protection for an electric power delivery system
US2021067072A1 Generator rotor turn-to-turn fault detection using fractional harmonics
US2021048486A1 Broken conductor detection in a multiple-phase electric power delivery system
US2021109157A1 Multiple merging unit testing system
US2021109139A1 Loopback testing of electric power protection systems
US2020274523A1 Generating a representation of high-frequency electric power delivery system data using deviations from a trend
US10896658B1 Virtual display
US2020328591A1 In-phase motor bus transfer
US2021109156A1 Testing device for protective relays in electric power delivery systems
US2021014196A1 Secure electric power delivery system protection during cyber threats
US2021057901A1 Integration of primary protection relays for electric power delivery systems
US2021126388A1 Interface for a printed circuit board assembly adapter module
US2021109164A1 Equipment failure detection in an electric power system
US10951057B1 Reliable power module for improved substation device availability