HUNGERFORD & TERRY INC has a total of 11 patent applications. Its first patent ever was published in 1942. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets chemical engineering, environmental technology and machines are ELECTROPHOR INC, AQUA ION SYST and XIAN RUNCHUAN ENVIRONMENTAL PROTECTION TECH CO LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 9 | |
#2 | Canada | 1 | |
#3 | United Kingdom | 1 |
# | Industry | |
---|---|---|
#1 | Chemical engineering | |
#2 | Environmental technology | |
#3 | Machines | |
#4 | Mechanical elements |
# | Technology | |
---|---|---|
#1 | Separation | |
#2 | Water treatment | |
#3 | Chemical or physical processes | |
#4 | Unspecified technologies | |
#5 | Pipes |
# | Name | Total Patents |
---|---|---|
#1 | Hungerford Jr Churchill | 6 |
#2 | Davis Raymond R | 3 |
#3 | Langberg Alfred M | 2 |
#4 | Reutter John G | 2 |
#5 | Debus Alvin P | 2 |
#6 | Weston Richard G | 1 |
#7 | Fackler Richard B | 1 |
#8 | Francis Massorley John | 1 |
Publication | Filing date | Title |
---|---|---|
US4028241A | Apparatus for and method of recovering water used to backwash and rinse a filter | |
CA1028434A | Apparatus for and method of recovering water used to backwash and rinse a filter | |
US3272340A | Quickly detachable strainer system for water treatment tanks | |
US3167506A | Method of treating water to remove iron and manganese | |
US2891008A | Water purification coagulation apparatus with perforate plate flow controllers | |
US2628720A | Backwash control equipment for filters | |
US2532918A | Fluid distributing or collecting system for water softeners, filters, and the like | |
US2460011A | Base exchange water treating equipment | |
US2372952A | Condensate reclaiming system | |
US2360958A | Distributing head for the manifolds of filters or like devices |