AMERICAN LONGWALL MINING CORP has a total of 11 patent applications. Its first patent ever was published in 1990. It filed its patents most often in United States, Canada and China. Its main competitors in its focus markets packaging and shipping, mechanical elements and civil engineering are BROCKWAY ENG CO LTD, HOFFMANN FRANK F and HUWOOD INT LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 5 | |
#2 | Canada | 1 | |
#3 | China | 1 | |
#4 | Germany | 1 | |
#5 | EPO (European Patent Office) | 1 | |
#6 | United Kingdom | 1 | |
#7 | Mexico | 1 |
# | Industry | |
---|---|---|
#1 | Packaging and shipping | |
#2 | Mechanical elements | |
#3 | Civil engineering |
# | Technology | |
---|---|---|
#1 | Transport or storage devices | |
#2 | Lubricating | |
#3 | Shafts | |
#4 | Mining |
# | Name | Total Patents |
---|---|---|
#1 | Bandy Jr Clarence L | 5 |
#2 | Bandy Clarence L Jr | 3 |
#3 | Reid William J | 2 |
#4 | Cocksedge Richard | 1 |
#5 | Bandy Clarence Lee Jr | 1 |
#6 | Reid William James | 1 |
#7 | Bandy Jr Clarence Lee | 1 |
#8 | Bandy Jun Clarence Lee | 1 |
Publication | Filing date | Title |
---|---|---|
US5272289A | Scraper chain conveyor | |
US5232068A | Remote lubrication system for conveyor bearing | |
US5131724A | Conveyor pan with keyed deck | |
US5131528A | Conveyor apparatus with hydraulic tensioning control | |
US5074827A | Reversible chain conveyor sprocket assembly |