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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 17 | |
#2 | Canada | 1 |
# | Industry | |
---|---|---|
#1 | Machines | |
#2 | Civil engineering | |
#3 | Mechanical elements | |
#4 | Chemical engineering | |
#5 | Engines, pumps and turbines | |
#6 | Electrical machinery and energy | |
#7 | Measurement | |
#8 | Environmental technology |
# | Technology | |
---|---|---|
#1 | Earth drilling | |
#2 | Unspecified technologies | |
#3 | Venting or aerating devices | |
#4 | Separation | |
#5 | Siphons | |
#6 | Spraying devices | |
#7 | Electric switches | |
#8 | Internal-combustion piston engines | |
#9 | Measuring distances | |
#10 | Climate change mitigation in transportation |
# | Name | Total Patents |
---|---|---|
#1 | Lorraine David G | 18 |
#2 | Young Fred M | 1 |
#3 | Borough Willard L | 1 |
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 |