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LORRAINE DAVID G

Overview
  • Total Patents
    18
About

LORRAINE DAVID G has a total of 18 patent applications. Its first patent ever was published in 1918. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machines, civil engineering and mechanical elements are GARRETT OIL TOOLS INC, LEIDECKER FRANK W and WEIR JAMES.

Patent filings in countries

World map showing LORRAINE DAVID Gs patent filings in countries
# Country Total Patents
#1 United States 17
#2 Canada 1

Patent filings per year

Chart showing LORRAINE DAVID Gs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lorraine David G 18
#2 Young Fred M 1
#3 Borough Willard L 1

Latest patents

Publication Filing date Title
US2291245A Electrical control switch
US2224973A Internal combustion engine
US1879366A Ejector
US1925491A Apparatus for separating oil and gas
US1670728A Oil and gas separator
US1693849A Oil and gas separator
US1620771A Oil and gas separator
US1615462A Valve
US1612135A Sprinkler
US1577917A Method and apparatus for separating gas and oil
US1519856A Valve
US1533744A Oil and gas separator
US1396860A Method and apparatus for separating oil and gas
US1470460A Adjustable-flow nipple
US1373664A Gas, oil, and sand separator
US1532251A Valve
US1401913A Measuring device
CA252091A Oil and gas separator