DAVIES & METCALFE has a total of 78 patent applications. Its first patent ever was published in 1931. It filed its patents most often in United Kingdom, France and United States. Its main competitors in its focus markets transport, engines, pumps and turbines and mechanical elements are GRESHAM HARRY EDWARD, KNORR BREMSE SYSTEMS FOR RAIL VEHICLES SUZHOU CO LTD and WABCO WESTINGHOUSE EQUIP.
# | Country | Total Patents | |
---|---|---|---|
#1 | United Kingdom | 32 | |
#2 | France | 9 | |
#3 | United States | 7 | |
#4 | Austria | 6 | |
#5 | Australia | 5 | |
#6 | Spain | 4 | |
#7 | Finland | 4 | |
#8 | Germany | 3 | |
#9 | EPO (European Patent Office) | 2 | |
#10 | India | 2 | |
#11 | Switzerland | 1 | |
#12 | New Zealand | 1 | |
#13 | WIPO (World Intellectual Property Organization) | 1 | |
#14 | South Africa | 1 |
# | Industry | |
---|---|---|
#1 | Transport | |
#2 | Engines, pumps and turbines | |
#3 | Mechanical elements | |
#4 | Electrical machinery and energy | |
#5 | Measurement | |
#6 | Thermal processes |
# | Technology | |
---|---|---|
#1 | Siphons | |
#2 | Vehicle brake control systems | |
#3 | Clutches and brakes | |
#4 | Railway brakes | |
#5 | Couplings | |
#6 | Measuring force, work and fluid pressure | |
#7 | Electric switches | |
#8 | Steam generation | |
#9 | Magnets and transformers | |
#10 | Preheating for stem generation |
# | Name | Total Patents |
---|---|---|
#1 | Croxon Metcalfe James | 10 |
#2 | David Metcalfe Richard | 10 |
#3 | Holland James Edward | 8 |
#4 | Metcalfe Richard | 5 |
#5 | Bowran Jack | 4 |
#6 | Marsden Robert Kenneth | 3 |
#7 | Hunter Ian Pearson | 2 |
#8 | Hunter I | 2 |
#9 | Hall Alan David | 1 |
#10 | Griffin Joseph F | 1 |
Publication | Filing date | Title |
---|---|---|
GB9401433D0 | A cock | |
GB9401471D0 | A coupling | |
GB9102502D0 | Improvements in or relating to braking systems | |
GB9023641D0 | Improvements in or relating to brake mechanisms | |
AU5830890A | An air brake system | |
GB8913655D0 | A filter | |
GB8913654D0 | An air brake system | |
GB8913045D0 | Track brake | |
GB8412745D0 | Rail vehicle brake | |
GB8402599D0 | Disc brake adjustment | |
AU8092482A | Brake valve | |
GB2093938A | Quick take-up and release of brakes | |
GB1576149A | Railway train braking system | |
GB1573042A | Rail vehicle brake | |
ZA7505711B | Springbrake unit | |
GB1514163A | Air brakes | |
GB1510104A | Brake systems | |
GB1508303A | Brake system | |
US3895695A | Spring applied fluid released brake unit | |
GB1299408A | Improvements in or relating to air pressure braking systems |