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PURVES CORP

Overview
  • Total Patents
    11
About

PURVES CORP has a total of 11 patent applications. Its first patent ever was published in 1940. It filed its patents most often in United States, United Kingdom and Germany. Its main competitors in its focus markets measurement, machines and electrical machinery and energy are ISENTEK INC, MICROTEST S R L and YUAN FU TE.

Patent filings in countries

World map showing PURVES CORPs patent filings in countries
# Country Total Patents
#1 United States 6
#2 United Kingdom 4
#3 Germany 1

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Beach Lennox F 6
#2 Purves John C 2
#3 Beach Lennox Frederick 1

Latest patents

Publication Filing date Title
GB604907A Improvements in and relating to apparatus sensitive to magnetic fields
US2427654A Remote reading flux valve compass system
US2476273A Apparatus sensitive to magnetic fields
GB611204A Improvements relating to magnetic field responsive devices
GB611205A Improvements relating to magnetic field responsive devices
US2374166A Magnetic field responsive device
US2410039A Magnetic field responsive device
GB599428A Improvements relating to apparatus and systems responsive to the intensity and direction of a magnetic field
US2383460A Magnetic field responsive device
US2383459A Indicator for magnetic fields