DUFFIELD FREDERICK PTY LTD has a total of 34 patent applications. Its first patent ever was published in 1977. It filed its patents most often in Australia, United Kingdom and South Africa. Its main competitors in its focus markets mechanical elements and machine tools are MIRAPURO KK, SIDGMAN SAITUA RENE EDUARDO and PUSPAS ARMATUREN GMBH.
# | Country | Total Patents | |
---|---|---|---|
#1 | Australia | 12 | |
#2 | United Kingdom | 9 | |
#3 | South Africa | 9 | |
#4 | Singapore | 3 | |
#5 | United States | 1 |
# | Industry | |
---|---|---|
#1 | Mechanical elements | |
#2 | Machine tools |
# | Technology | |
---|---|---|
#1 | Pipes | |
#2 | Turning | |
#3 | Soldering, welding and flame cutting | |
#4 | Tools for connecting or disengaging | |
#5 | Cutting |
# | Name | Total Patents |
---|---|---|
#1 | Duffield Frederick Russell | 16 |
#2 | Taken Colin James | 13 |
#3 | Colin James Taken | 3 |
#4 | Duffield Frederick Russel | 3 |
#5 | Frederick Russel Duffield | 3 |
#6 | Fahey John Mahon | 3 |
#7 | Duffield F R | 2 |
#8 | Taken C J | 1 |
#9 | Frederick Russell Duffield | 1 |
#10 | Harvey C H | 1 |
Publication | Filing date | Title |
---|---|---|
AU650354B2 | Travelling vice | |
GB9006353D0 | Hose end fitting | |
AU5209490A | Hose end fitting | |
AU3673489A | Hose end fitting for very high pressure hoses | |
ZA8904696B | Hose end fitting for very high pressure hoses | |
ZA8904695B | Hose coupling component | |
AU3673589A | Hose coupling component | |
GB8808021D0 | Hose end fitting | |
AU1419088A | Hose end fitting | |
ZA8505134B | Hose coupling | |
AU4209985A | Hose coupling | |
GB8412943D0 | Hose paring tool | |
AU2800984A | Paring tool | |
GB8318445D0 | Paring tool | |
AU1591483A | Paring tool for hoses | |
ZA8106203B | Swaged-type hose end fitting for thick-walled hose | |
US4400021A | Reusable type hose end fitting | |
AU4438279A | Rotatable work table with heating unit | |
AU3519478A | Hose connector | |
AU3295778A | Hose connector |