DEWANDRE CO LTD C has a total of 894 patent applications. Its first patent ever was published in 1929. It filed its patents most often in United Kingdom, France and Germany. Its main competitors in its focus markets transport, mechanical elements and machines are WESTINGHOUSE BREMSEN GMBH, WABCO FAHRZEUGBREMSEN GMBH and WESTINGHOUSE BREMSEN.
# | Country | Total Patents | |
---|---|---|---|
#1 | United Kingdom | 406 | |
#2 | France | 101 | |
#3 | Germany | 98 | |
#4 | United States | 77 | |
#5 | Spain | 72 | |
#6 | Canada | 37 | |
#7 | Switzerland | 22 | |
#8 | Sweden | 22 | |
#9 | EPO (European Patent Office) | 20 | |
#10 | Belgium | 8 | |
#11 | Japan | 8 | |
#12 | India | 6 | |
#13 | Austria | 4 | |
#14 | Brazil | 4 | |
#15 | South Africa | 4 | |
#16 | Ireland | 3 | |
#17 | Denmark | 1 | |
#18 | Netherlands | 1 |
# | Industry | |
---|---|---|
#1 | Transport | |
#2 | Mechanical elements | |
#3 | Machines | |
#4 | Engines, pumps and turbines | |
#5 | Thermal processes |
# | Technology | |
---|---|---|
#1 | Vehicle brake control systems | |
#2 | Unspecified technologies | |
#3 | Motor vehicles | |
#4 | Servomotors | |
#5 | Vehicle air-treating devices | |
#6 | Venting or aerating devices | |
#7 | Pumps | |
#8 | Clutches and brakes | |
#9 | Gearing | |
#10 | Heat-exchange device details |
# | Name | Total Patents |
---|---|---|
#1 | Page Wilbur Mills | 74 |
#2 | Coupland Ralph | 65 |
#3 | Edge Stanley Howard | 52 |
#4 | Farmery George Kenneth | 51 |
#5 | Ballard Donald Henry | 36 |
#6 | Page Wilbur M | 22 |
#7 | Jeffery Harold | 20 |
#8 | Coupland R | 20 |
#9 | Farmery George K | 18 |
#10 | Heacock Frederick Henry | 17 |
Publication | Filing date | Title |
---|---|---|
GB9024644D0 | An exhaust brake | |
GB9014486D0 | Exhaust brake variable orifice | |
GB8927180D0 | Anti-lock braking systems | |
GB8923615D0 | Exhaust system | |
GB8919364D0 | Recuperation in master cylinders | |
GB8910567D0 | Modulator type brake valve | |
GB8815703D0 | Type control valve | |
GB8803434D0 | Pilot operated hydraulic antilock modulator | |
GB8801803D0 | Hydraulic pump unloader means | |
GB8709615D0 | Solenoid operated valve | |
GB8705697D0 | Clutch booster | |
GB8705339D0 | Rotary vane vacuum pump | |
GB8629727D0 | Engine mounted air compressors | |
GB8626480D0 | Clutch booster | |
GB8624189D0 | Full power hydraulic braking systems for tractor-trailer combinations | |
GB8617843D0 | Rotary vacuum pumps | |
GB8526369D0 | Tractor-trailer braking systems | |
GB8523198D0 | Dual circuit brake valve | |
GB8512495D0 | Antifreeze in compressed air systems | |
GB8502158D0 | Vacuum intensifier |