HIMSLEY ENG LTD has a total of 35 patent applications. Its first patent ever was published in 1972. It filed its patents most often in Canada, South Africa and Australia. Its main competitors in its focus markets materials and metallurgy, chemical engineering and environmental technology are PNII GIPRONIKEL, 6TH WAVE INNOVATIONS CORP and CLEAN TEQ PTY LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | Canada | 7 | |
#2 | South Africa | 7 | |
#3 | Australia | 5 | |
#4 | United States | 5 | |
#5 | United Kingdom | 4 | |
#6 | Brazil | 2 | |
#7 | Germany | 2 | |
#8 | France | 2 | |
#9 | Japan | 1 |
# | Industry | |
---|---|---|
#1 | Materials and metallurgy | |
#2 | Chemical engineering | |
#3 | Environmental technology |
# | Name | Total Patents |
---|---|---|
#1 | Himsley Alexander | 16 |
#2 | Himsley A | 10 |
#3 | Bennett John A | 2 |
#4 | Byleveld Eduard | 2 |
#5 | Arekusandaa Himusuree | 1 |
Publication | Filing date | Title |
---|---|---|
CA1234676A | Process and apparatus for liquid-solid contacting | |
US4536287A | Piping for use in liquid collection and distribution | |
CA1193445A | Elution of copper from ion exchange resins | |
US4371506A | Ammoniacal elution of copper from ion exchange resins | |
US4427639A | Ion exchange process | |
CA1144667A | Continuous countercurrent ion exchange process | |
GB1586492A | Ion exchange process | |
US4018677A | Method of stripping solid particles | |
US4035292A | Fluid solid contact process and apparatus | |
AU6237273A | Fluid solid contact process and apparatus | |
CA980467A | Fluid solid contact process and apparatus |