LAWRENCE HENRY GARDNER has a total of 12 patent applications. Its first patent ever was published in 1951. It filed its patents most often in United Kingdom. Its main competitors in its focus markets mechanical elements, engines, pumps and turbines and machines are MAC VALVES INC, SHAFER HOMER J and SHAFER HOMER JOHN.
# | Country | Total Patents | |
---|---|---|---|
#1 | United Kingdom | 12 |
# | Industry | |
---|---|---|
#1 | Mechanical elements | |
#2 | Engines, pumps and turbines | |
#3 | Machines |
# | Technology | |
---|---|---|
#1 | Venting or aerating devices | |
#2 | Servomotors | |
#3 | Unspecified technologies | |
#4 | Pumps | |
#5 | Cyclically operating valves |
Publication | Filing date | Title |
---|---|---|
GB972309A | Improvements in or relating to positive displacement pumps | |
GB917174A | Improvements in or relating to fluid flow valve structures | |
GB889149A | Improvements in or relating to fluid control valves | |
GB729673A | Improvements in or relating to valve structures | |
GB689295A | Improvements in or relating to valves | |
GB706142A | Improvements in or relating to fluid control valves | |
GB694382A | Improvements in or relating to solenoid-operated valves |