PLENTY & SON LTD has a total of 15 patent applications. Its first patent ever was published in 1920. It filed its patents most often in United Kingdom, United States and Germany. Its main competitors in its focus markets engines, pumps and turbines, mechanical elements and measurement are ITT BORNEMANN GMBH, MIETTO VIRGILIO and KASHIYAMA IND LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | United Kingdom | 8 | |
#2 | United States | 5 | |
#3 | Germany | 2 |
# | Industry | |
---|---|---|
#1 | Engines, pumps and turbines | |
#2 | Mechanical elements | |
#3 | Measurement | |
#4 | Chemical engineering | |
#5 | Machines | |
#6 | Thermal processes |
# | Technology | |
---|---|---|
#1 | Rotary-pistons | |
#2 | Gearing | |
#3 | Feeding fuel to combustion device | |
#4 | Pipes | |
#5 | Analysing materials | |
#6 | Controlling combustion engines | |
#7 | Cyclones | |
#8 | Separation |
# | Name | Total Patents |
---|---|---|
#1 | Vanderstegen-Drake Stamford Ro | 4 |
#2 | Brown Stanley Graham | 2 |
#3 | Francis Vanderstegen-Drake Sta | 1 |
#4 | Vanderstegendr Stamford Robert | 1 |
#5 | Drummond John | 1 |
#6 | Vanderstegen-Drake Stamford R | 1 |
#7 | Vanderstegendrake Stamford Rob | 1 |
#8 | Vandersjegendrake Stamford Rob | 1 |
#9 | Shoosmith Guy Taite | 1 |
#10 | Henry Kent-Norris | 1 |
Publication | Filing date | Title |
---|---|---|
US3768324A | Automatic belt tensioning device | |
GB1269628A | Improvements in and relating to inter-meshing screw pumps | |
US3541861A | Pipe-line sampling apparatus | |
GB1236549A | Improvements in and relating to gas filters | |
GB1236017A | Improvements in and relating to gas filters with preliminary cyclone separation | |
GB1188526A | Improvements in and relating to Variable Capacity Rotary Positive-Displacement Hydraulic Pumps | |
GB1020019A | Improvements in or relating to apparatus for continuously supplying a mixture of liquid and solid materials at a constant rate | |
GB850188A | Improvements in or relating to pumps | |
GB810099A | Improvements in and relating to pump installations | |
GB689313A | Improvements in and relating to the control of pumps | |
US1472869A | Governing mechanism for internal-combustion engines |