PORTALS WATER TREATMENT LTD has a total of 29 patent applications. Its first patent ever was published in 1973. It filed its patents most often in United Kingdom, South Africa and Australia. Its main competitors in its focus markets chemical engineering, environmental technology and foods and drinks are HAMBURGER & CO KG GEORG, GRUNDFOS BIOBOOSTER AS and MAX PRUESS DR ING.
# | Country | Total Patents | |
---|---|---|---|
#1 | United Kingdom | 9 | |
#2 | South Africa | 9 | |
#3 | Australia | 5 | |
#4 | Ireland | 4 | |
#5 | France | 1 | |
#6 | United States | 1 |
# | Industry | |
---|---|---|
#1 | Chemical engineering | |
#2 | Environmental technology | |
#3 | Foods and drinks | |
#4 | Surface technology and coating | |
#5 | Macromolecular chemistry and polymers | |
#6 | Machines |
# | Name | Total Patents |
---|---|---|
#1 | Stevenson D | 3 |
#2 | Brignal W | 3 |
#3 | Goddard J | 2 |
#4 | Brignal W J | 2 |
#5 | Rowe M C | 1 |
#6 | Stevenson D G | 1 |
#7 | Metcalf S | 1 |
#8 | Metcalf S M | 1 |
#9 | Goldsmith F W | 1 |
#10 | Rowe Melvin Charles | 1 |
Publication | Filing date | Title |
---|---|---|
GB1531807A | Inclined separation plates | |
GB1559018A | Method and apparatus for dissolving a gas in and removing a gas from a liquid | |
GB1534942A | Electrode assembly for an electrolytic cell | |
GB1545559A | Aeration in a flotation process | |
GB1546683A | Apparatus for backwashing granular-bed filters | |
GB1501700A | Lactose hydrolysis using ion exchange resins | |
ZA755618B | Apparatus and process for the purification of water | |
GB1483587A | Porous polymers and their production | |
GB1459195A | Gas flotation purification of liquids |