LOUIS BOIRAULT has a total of 65 patent applications. Its first patent ever was published in 1903. It filed its patents most often in France, Germany and United Kingdom. Its main competitors in its focus markets transport, mechanical elements and materials and metallurgy are BOIRAULT LOUIS, BRADFORD PATENTS CORP and QINGDAO SRI TECH CO LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | France | 47 | |
#2 | Germany | 8 | |
#3 | United Kingdom | 6 | |
#4 | United States | 4 |
# | Industry | |
---|---|---|
#1 | Transport | |
#2 | Mechanical elements | |
#3 | Materials and metallurgy | |
#4 | Civil engineering |
# | Technology | |
---|---|---|
#1 | Couplings | |
#2 | Vehicle brake control systems | |
#3 | Railway brakes | |
#4 | Vehicle tyre repairing | |
#5 | Pipes | |
#6 | Rail vehicle suspensions | |
#7 | Shafts | |
#8 | Nails | |
#9 | Non-metallic elements | |
#10 | Vehicle connections |
# | Name | Total Patents |
---|---|---|
#1 | Boirault Louis | 47 |
#2 | Louis Boirault | 4 |
#3 | Boucher Pierre | 4 |
#4 | Dechaume Maurice | 1 |
Publication | Filing date | Title |
---|---|---|
US1937683A | Automatic adjusting device for brake members | |
GB334318A | Improvements in automatic adjusting device for brake members | |
GB214236A | Improvements in or relating to automatic coupling devices for railway vehicles | |
GB189431A | Improvements in or relating to hand brakes for railway vehicles | |
US1587364A | Momentum brake for railway vehicles | |
GB195451A | Improvements in or relating to automatic coupling devices for railway wagons and coaches | |
GB144316A | Improvements in or relating to brake operating devices for railway vehicles | |
US1440443A | Brake-operating device for railway vehicles | |
US1445065A | Brake-operating mechanism | |
GB138360A | Improvements in or relating to operating mechanism for vehicle brakes |