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L & L MFG COMPANY

Overview
  • Total Patents
    25
About

L & L MFG COMPANY has a total of 25 patent applications. Its first patent ever was published in 1952. It filed its patents most often in United States, France and United Kingdom. Its main competitors in its focus markets mechanical elements, machines and electrical machinery and energy are MAROKO LTD, BROCKWAY COMPANY and NORTON MCMURRAY MFG COMPANY.

Patent filings in countries

World map showing L & L MFG COMPANYs patent filings in countries
# Country Total Patents
#1 United States 14
#2 France 4
#3 United Kingdom 4
#4 Germany 3

Patent filings per year

Chart showing L & L MFG COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lyon Gilbert T 7
#2 Lyon Gilbert Thomas 6
#3 Campbell Vernon R 3
#4 Ellis George S 3
#5 Stephen Lewicki 1
#6 Thomas Lyon Gilbert 1
#7 Franklin Dauiel T 1

Latest patents

Publication Filing date Title
GB1117987A Self flaring tube coupling
FR1461868A Tube couplings
GB1056010A Improvements in or relating to tube couplings
US3294426A Self-flaring tube coupling
FR1379852A Metal sealing device and method of application
US3246921A Reusable coupling for flexible hose
US3148901A Metal seal fitting and method
US3346935A Method of making a fluid pressure coupling
FR1331172A Tubular coupling
GB954337A Tube coupling
US3112131A Self-flaring tube coupling
US2991085A Cutting tool chuck
US3112127A Fluid pressure tube fitting
US3151893A Tube coupling
US3003795A Tube coupling having a resilient metal sealing sleeve
US2942895A Captive nut
US2924237A Flow control valve
US2852281A Fluid pressure coupling with wedged sealing sleeves
US2744946A Electric furnace and heating unit therefor
US2737403A Self-flaring fitting for tubes