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JOHN BLAND

Overview
  • Total Patents
    12
About

JOHN BLAND has a total of 12 patent applications. Its first patent ever was published in 1920. It filed its patents most often in United States and United Kingdom. Its main competitors in its focus markets chemical engineering, machines and mechanical elements are TURNER PEIRSON, HENAN KANGXING PHARMACEUTICAL and OVERSTROM GUSTAVE A.

Patent filings in countries

World map showing JOHN BLANDs patent filings in countries
# Country Total Patents
#1 United States 10
#2 United Kingdom 2

Patent filings per year

Chart showing JOHN BLANDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 John Bland 10

Latest patents

Publication Filing date Title
US2468321A Method of and apparatus for simultaneous impact crushing of separate streams of sized rock
US1749371A Apparatus and process for minerals separation
US1610353A Screen
GB253610A Improvements in wheels for railway and tramway vehicles
GB241436A Improvements in axles, shafts, rods, and bars
US1584721A Grinder
US1716758A Process of separating mica
US1600792A Screen
US1622305A Screen
US1543315A Spreader
US1591959A Screen
US1411834A Screen