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.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 10 | |
#2 | United Kingdom | 2 |
# | Industry | |
---|---|---|
#1 | Chemical engineering | |
#2 | Machines | |
#3 | Mechanical elements | |
#4 | Transport |
# | Technology | |
---|---|---|
#1 | Separating solids | |
#2 | Milling | |
#3 | Unspecified technologies | |
#4 | Separating solids using liquids | |
#5 | Shafts | |
#6 | Vehicle wheels |
# | Name | Total Patents |
---|---|---|
#1 | John Bland | 10 |
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 |