UNION DRAWN STEEL COMPANY has a total of 21 patent applications. Its first patent ever was published in 1924. It filed its patents most often in United States and Canada. Its main competitors in its focus markets machine tools, machines and packaging and shipping are ZAKLAD DOSWIADCZALNY PRZY ZAKL, TUBUS A G and LOEWY ENG CO LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | United States | 13 | |
#2 | Canada | 8 |
# | Industry | |
---|---|---|
#1 | Machine tools | |
#2 | Machines | |
#3 | Packaging and shipping |
# | Technology | |
---|---|---|
#1 | Making metal sheets | |
#2 | Unspecified technologies | |
#3 | Rolling metal | |
#4 | Elevators and escalators | |
#5 | Punching metal | |
#6 | Making forged metal products | |
#7 | Making screws | |
#8 | Wood saws |
# | Name | Total Patents |
---|---|---|
#1 | Leech Jacob T | 4 |
#2 | Leech Jacob Test | 3 |
#3 | Richardson Harry Hamilton | 3 |
#4 | Test Leech Jacob | 2 |
#5 | Hamilton Richardson Harry | 2 |
#6 | Frederick Kornbrath | 1 |
#7 | Kornbrath Frederick | 1 |
#8 | Belles Albert C | 1 |
#9 | Benjamin George M | 1 |
#10 | Causer Edward T | 1 |
Publication | Filing date | Title |
---|---|---|
US2012022A | Drawing die | |
US1982352A | Drawing die | |
US1972473A | Method of drawing wire | |
US1860607A | Method of making crank shafts | |
US1922770A | Drawing die | |
US1779478A | Method of working metal rods, bars, and the like | |
US1779479A | Machine for working metal rods, bars, and the like | |
US1720202A | Guide rail | |
US1904947A | Wire drawing machine | |
US1911157A | Mechanism for drawing metal | |
US1765047A | Drawing machine | |
US1736976A | Apparatus for straightening metal bars and shapes | |
US1535323A | Twister | |
CA304434A | Drawing die | |
CA265564A | Metal straightening apparatus | |
CA347907A | Metal drawing die | |
CA230437A | Grinding machine | |
CA287926A | Metal drawing apparatus | |
CA355385A | Metal drawing die | |
CA238928A | Drawing die |