HAM WON HWAN has a total of 12 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 1987. It filed its patents most often in Republic of Korea. Its main competitors in its focus markets machine tools, chemical engineering and agriculture are BEIJING LONGSHINE OIL TUBULAR TECHNOLOGY CO LTD, YUNNAN KUNGANG NEW COMPOSITE MATERIALS DEV CO LTD and MASTEEL HELING IND LTD.
# | Country | Total Patents | |
---|---|---|---|
#1 | Republic of Korea | 12 |
# | Industry | |
---|---|---|
#1 | Machine tools | |
#2 | Chemical engineering | |
#3 | Agriculture | |
#4 | Surface technology and coating | |
#5 | Packaging and shipping |
# | Technology | |
---|---|---|
#1 | Making metal sheets | |
#2 | Punching metal | |
#3 | Metal-working | |
#4 | Soldering, welding and flame cutting | |
#5 | Treating harvested food | |
#6 | Layered products | |
#7 | Mixing | |
#8 | Lifting and pushing | |
#9 | Finishing textile fabrics |
# | Name | Total Patents |
---|---|---|
#1 | Ham Won Hwan | 8 |
#2 | Ham Dong Yuoe | 6 |
#3 | Ham Won-Hwan | 4 |
Publication | Filing date | Title |
---|---|---|
KR101950960B1 | Drum for fabric heat treatment | |
KR101911826B1 | Welding device | |
KR101885282B1 | Welding device | |
KR100976537B1 | Feedstuff manufacture apparatus | |
KR20110073638A | Screw wing manufacture system | |
KR100912293B1 | Screw of manufacture machine to stock raising feed | |
KR20050109263A | Porcessing for surface of large size roll drum and appartus thereof | |
KR20010008900A | A heating drum for a raw textile drier | |
KR970005359B1 | Device for producing cylinder | |
KR950013499B1 | Heating devices of pipe for making stainless steel roller | |
KR950010895B1 | Apparatus for manufacturing of pipe use etainless steel roller | |
KR900002484B1 | Fixing device for the welded portion of barreel |