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SAM HWA CAST IRON IND CO LTD

Overview
  • Total Patents
    36
  • GoodIP Patent Rank
    194,203
About

SAM HWA CAST IRON IND CO LTD has a total of 36 patent applications. Its first patent ever was published in 2006. It filed its patents most often in Republic of Korea. Its main competitors in its focus markets civil engineering, mechanical elements and electrical machinery and energy are GEOTECHNICAL TECHNOLOGY CO LTD, HILFIKER PIPE CO and SHENZHEN ZHONGBANG GROUP CONSTRUCTION CONTRACT CO LTD.

Patent filings in countries

World map showing SAM HWA CAST IRON IND CO LTDs patent filings in countries
# Country Total Patents
#1 Republic of Korea 36

Patent filings per year

Chart showing SAM HWA CAST IRON IND CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lee Hyo Sang 17
#2 Baek Hung Jai 7
#3 Yoo Jang Ho 7
#4 Bang Kyung Whan 4
#5 Kim Byung Jin 4
#6 Yoon Jae Hong 4
#7 Baek Seung Hyun 3
#8 Bang Kyong Hwan 2
#9 Park Han Yong 1
#10 Yoon Tae Ho 1

Latest patents

Publication Filing date Title
KR101680711B1 Spherical shoe
KR20170021724A Vehicle guard fence for bridge
KR20160085728A Manhole cover having improved watertightness
KR20170021720A Vehicle guard fence for bridge
KR101524862B1 Heat pump system for preventing adhere and improving evaporation
KR20130125707A Spherical bearing
KR101256331B1 Spherical bearing
KR20120100841A Cable protecting duct formed by combining sub-cable protecting ducts having the same structure
KR20130017191A Iron alloy having high tensile strength and railing support manufactured by using the same
KR20120049781A Method of exchanging an old manhole cover
KR101102129B1 Manhole having a water blocking function using a lever
KR101108860B1 Manhole having a water blocking function and internal cover structure included in the same
KR20120014773A Design manhole and method of implementing the same
KR20110107495A Manhole locking device and manhole using the same
KR20110107499A Manhole locking apparatus by using hinge type and manhole using the same
KR20110107509A Manhole for realizing locking function by using a permanent magnet
KR20110106117A Locking device for realizing locking function by using a permanent magnet and manhole using the same
KR20110106109A Locking device for realizing locking function by using a permanent magnet and manhole using the same
KR20110106050A Locking device for realizing locking function by using a coil and manhole using the same
KR20110106126A Locking device for realizing locking function by using a permanent magnet and manhole using the same