Learn more

CUMPSTON EDWARD H

Overview
  • Total Patents
    29
About

CUMPSTON EDWARD H has a total of 29 patent applications. Its first patent ever was published in 1931. It filed its patents most often in United States, France and United Kingdom. Its main competitors in its focus markets chemical engineering, textiles and paper and machines are JIANGSU XINZHOU CHEMICAL SCIENCE & TECH CO LTD, YANCHENG XINLI PIGMENT CO LTD and ENTPR RENE ET JEAN MORITZ.

Patent filings in countries

World map showing CUMPSTON EDWARD Hs patent filings in countries

Patent filings per year

Chart showing CUMPSTON EDWARD Hs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Cumpston Edward H 10
#2 Edowaado Henrii Kanpusuton Jun 2
#3 Schlenker Vesper A 1
#4 Edowaado Henrii Kunpusuton 1
#5 Cumpston Jr Edward Henry 1
#6 Edward Henry Cumpston Jr 1
#7 Cumpston E H 1

Latest patents

Publication Filing date Title
CA1248800A Pumped flow attrition disk zone
US4678127A Pumped flow attrition disk zone
US4515144A Hand-fired, solid fuel stove
US4457294A Inlet air control for stove or furnace
US4457147A Combination lock
JPS5414064A Method of completely moistening surface of solid matter grain with liquid
US4171071A Metered feeder having a rotary groove and a cooperating scraper for difficult to meter solids
US4042183A Rotor for mixer-refiner-reactor
US4137092A Dispersion or suspension of solid phase in liquid phase
US4020994A Method of correlating the rotor and stator in a mixer-refiner-reactor
GB1523459A Air scrubber
GB1423189A Damp pulp moulding
GB1407711A Mixer-refiner
GB1407712A Mixer-refiner
ES412334A1 A mixer-refiner device improved from high viscosity material. (Machine-translation by Google Translate, not legally binding)
US2030157A Acoustic construction