Learn more

RICHMOND MFG COMPANY

Overview
  • Total Patents
    18
About

RICHMOND MFG COMPANY has a total of 18 patent applications. Its first patent ever was published in 1927. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets chemical engineering, machines and packaging and shipping are INASHCO R & D B V, CLOSZ CHARLES and ROTEX.

Patent filings in countries

World map showing RICHMOND MFG COMPANYs patent filings in countries
# Country Total Patents
#1 United States 15
#2 Canada 2
#3 United Kingdom 1

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Moyer Howard H 4
#2 Conkling William C 4
#3 Thompson Peyton M 3
#4 Byrd Jr William 2
#5 David Crampton 1
#6 Cyril Cecka Methodius 1
#7 Percy Pickard 1
#8 Pickard Percy 1

Latest patents

Publication Filing date Title
US2723752A Retainer for pan cleaners in sieves
US2657582A Mechanism for producing gyratory motion
US2723751A Device for clamping screen frames in sifters
US2625305A Stream splitter for dividing granular materials
US2653714A Holddown device for screen frames
US2668621A Clamp for screen frames
US2455383A Screen for gyratory sifters, screens, or bolting equipment
US2500966A High-speed sifter
US2497902A Screen clearer for gyratory sifters
US2511885A Gyratory sifter
US2489264A Drum-type magnetic separator
GB570195A Improvements in magnetic separators
US2332780A Screen cleaner
US2340303A Magnetic separator
US2119997A Means for increasing the separating capacity of grain separating cylinders
US1769268A Magnetic separator for spouts
CA493913A Screen for gyratory sifters, screens or bolting equipment
CA368404A Grain separator device