Learn more

MARBLEHEAD LIME COMPANY

Overview
  • Total Patents
    13
About

MARBLEHEAD LIME COMPANY has a total of 13 patent applications. Its first patent ever was published in 1933. It filed its patents most often in United States and Canada. Its main competitors in its focus markets environmental technology, materials and metallurgy and chemical engineering are ECOLEGACY LTD, MAEJIMA FUMIO and FUMIO MAEJIMA.

Patent filings in countries

World map showing MARBLEHEAD LIME COMPANYs patent filings in countries
# Country Total Patents
#1 United States 10
#2 Canada 3

Patent filings per year

Chart showing MARBLEHEAD LIME COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Henery Maurice D 5
#2 Niems Lee H 3
#3 Kerwin John M 3
#4 Walker Walter W 3
#5 Snyder Ernest B 2
#6 Tanski Edwin S 1
#7 Mcnulty Bernard L 1
#8 Wing Wallace E 1

Latest patents

Publication Filing date Title
US4794872A Apparatus and method for disposing of waste material
CA1263566A Apparatus and method for incinerating waste material with a converted preheater-type lime kiln
US4546711A Apparatus and method for incinerating waste material with a converted preheater-type lime kiln
US4466361A Method and apparatus for waste incineration
CA1098711A Recycling of iron values
US4099964A Recycling of iron values
US2901837A Apparatus for cooling particles
US2970828A Apparatus for cooling refractory particles
US2858123A Apparatus for cooling and calcining
US2639222A Treatment of acid waste liquors
US2386027A Method of separating magnesia from dolomite
US1993377A Bag closure valve