HARTRIDGE LTD LESLIE has a total of 202 patent applications. Its first patent ever was published in 1952. It filed its patents most often in United Kingdom, United States and France. Its main competitors in its focus markets measurement, engines, pumps and turbines and mechanical elements are LAURENT LEON, OHLSSON & RICE INC and MELCHIOR FREDERICK C.
# | Country | Total Patents | |
---|---|---|---|
#1 | United Kingdom | 58 | |
#2 | United States | 30 | |
#3 | France | 20 | |
#4 | Germany | 19 | |
#5 | Spain | 18 | |
#6 | Japan | 17 | |
#7 | EPO (European Patent Office) | 11 | |
#8 | Italy | 8 | |
#9 | Austria | 6 | |
#10 | Belgium | 3 | |
#11 | Netherlands | 3 | |
#12 | Sweden | 3 | |
#13 | Canada | 2 | |
#14 | Argentina | 1 | |
#15 | Australia | 1 | |
#16 | Denmark | 1 | |
#17 | South Africa | 1 |
# | Industry | |
---|---|---|
#1 | Measurement | |
#2 | Engines, pumps and turbines | |
#3 | Mechanical elements | |
#4 | Machines | |
#5 | Machine tools |
# | Technology | |
---|---|---|
#1 | Supplying combustion engines | |
#2 | Measuring volume | |
#3 | Unspecified technologies | |
#4 | Testing of structures | |
#5 | Clutches and brakes | |
#6 | Analysing materials | |
#7 | Gearing | |
#8 | Accessories for machine tools | |
#9 | Grinding or polishing devices | |
#10 | Springs |
# | Name | Total Patents |
---|---|---|
#1 | Emerson Reginald Stanley | 40 |
#2 | Morris Norman | 12 |
#3 | Bussey Stephen | 10 |
#4 | Cockburn Barry | 10 |
#5 | Taylor Cecil Isaac | 10 |
#6 | Hartridge Leslie | 9 |
#7 | Shorrock Peter | 8 |
#8 | Heath Alastair Eric Frank | 7 |
#9 | Rejinarudo Sutanrei Emaason | 7 |
#10 | Emerson Reginald S | 6 |
Publication | Filing date | Title |
---|---|---|
GB8804831D0 | Cutting grinding & milling | |
GB8804830D0 | Adjustable mount for machine head | |
GB8722639D0 | Optical alignment system | |
GB8708656D0 | Machine part | |
GB8707967D0 | Ram for press | |
GB8602406D0 | Securing means | |
GB8504075D0 | Press | |
GB8502873D0 | Securing means | |
GB8411336D0 | A press | |
GB8411025D0 | An anti-backlash device | |
GB8403749D0 | Volumetric metering equipment | |
GB8403133D0 | Means for use in connecting a drive coupling to a non-splined end of a pump drive member | |
GB8319622D0 | A rotary anti-backlash component | |
JPS5871000A | Press | |
GB2105407A | Volumetric metering equipment for fuel injection systems | |
EP0076556A2 | A press | |
GB2119295A | Machine tool | |
GB2115884A | Detecting instants of injection for example in checking the phases of a multi-line fuel injection pump | |
US4362052A | Flowmeter | |
DE3024004A1 | SHAFT COUPLING |