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WASHINGTON, DC, US
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Patents Grants
last 30 patents
Information
Patent Grant
Copper alloy strip having high heat resistance and thermal dissipat...
Patent number
11,697,864
Issue date
Jul 11, 2023
POONGSAN CORPORATION
Won Shin Kwak
C21 - METALLURGY OF IRON
Information
Patent Grant
Free-cutting leadless copper alloy with no lead and bismuth
Patent number
11,692,243
Issue date
Jul 4, 2023
POONGSAN CORPORATION
Bo Min Jeon
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Cu—Co—Si—Fe—P-based alloy with excellent bending formability and pr...
Patent number
11,591,682
Issue date
Feb 28, 2023
Poongsan Corporation
Sidam Lee
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of tin-plating copper alloy for electric or electronic parts...
Patent number
11,542,606
Issue date
Jan 3, 2023
POONGSAN CORPORATION
Cheol Min Park
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of producing copper alloy sheet material with excellent stre...
Patent number
11,535,920
Issue date
Dec 27, 2022
POONGSAN CORPORATION
Jiin Hwang
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of producing copper alloy material having high strength and...
Patent number
11,162,164
Issue date
Nov 2, 2021
POONGSAN CORPORATION
Cheol Min Park
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing copper-titanium based copper alloy material fo...
Patent number
11,162,163
Issue date
Nov 2, 2021
POONGSAN CORPORATION
Cheol Min Park
C21 - METALLURGY OF IRON
Information
Patent Grant
Copper alloy material for automobile and electrical and electronic...
Patent number
11,091,827
Issue date
Aug 17, 2021
POONGSAN CORPORATION
Cheol Min Park
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Cluster bomblet having bomblet body for protecting fuse
Patent number
10,254,091
Issue date
Apr 9, 2019
POONGSAN CORPORATION
Nam Jin Kim
F42 - AMMUNITION BLASTING
Information
Patent Grant
Leadless free-cutting copper alloy and method for producing the same
Patent number
9,840,758
Issue date
Dec 12, 2017
POONGSAN CORPORATION
Beum Jae Lee
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Ammunition inspecting system
Patent number
9,709,371
Issue date
Jul 18, 2017
POONGSAN CORPORATION
Dong Hee Lee
F42 - AMMUNITION BLASTING
Information
Patent Grant
Apparatus for arranging and transferring ammunition using controlle...
Patent number
9,592,962
Issue date
Mar 14, 2017
POONGSAN CORPORATION
Dong Hee Lee
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
Information
Patent Grant
Methods and apparatuses for deuterium recovery
Patent number
9,257,314
Issue date
Feb 9, 2016
Poongsan Corporation
Manuel Rivera
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Grant
Production method for high purity copper powder using a thermal plasma
Patent number
9,061,353
Issue date
Jun 23, 2015
Poongsan Corporation
Dae Hyun Kim
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Coin assembly and medal assembly, and method for fabricating the same
Patent number
8,533,929
Issue date
Sep 17, 2013
Poongsan Corporation
Won Hone Kim
A44 - HABERDASHERY JEWELLERY
Information
Patent Grant
Tungsten heavy alloy for penetrating splinter shell and forming met...
Patent number
6,827,756
Issue date
Dec 7, 2004
Poongsan Corporation
Kyung Jin Park
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Method for producing a bimetallic coin
Patent number
6,189,197
Issue date
Feb 20, 2001
Poongsan Corporation
Won Hone Kim
B44 - DECORATIVE ARTS
Information
Patent Grant
Heat transfer tube with cross-grooved inner surface and manufacturi...
Patent number
6,026,892
Issue date
Feb 22, 2000
Poongsan Corporation
Pyung Gon Kim
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Bimetallic coin and method for producing the same
Patent number
5,996,262
Issue date
Dec 7, 1999
Poongsan Corporation
Won Hone Kim
B44 - DECORATIVE ARTS
Information
Patent Grant
High strength high conductivity Cu-alloy of precipitate growth supp...
Patent number
5,846,346
Issue date
Dec 8, 1998
Poongsan Corporation
Dong Woo Lee
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Device and method for cold forging double cylindrical pulley
Patent number
5,758,536
Issue date
Jun 2, 1998
Poongsan Corporation
Deok Jin Jeong
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Copper alloys for electrical and electronic parts
Patent number
5,334,346
Issue date
Aug 2, 1994
Poongsan Corporation
Young G. Kim
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Repeated sintering of tungsten based heavy alloys for improved impa...
Patent number
5,294,269
Issue date
Mar 15, 1994
Poongsan Corporation
Young M. Lee
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Copper alloys for electrical and electronic parts and its manufactu...
Patent number
4,944,915
Issue date
Jul 31, 1990
Poongsan Corporation
Young G. Kim
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Patents Applications
last 30 patents
Information
Patent Application
METHOD OF PRODUCING COPPER ALLOY SHEET MATERIAL WITH EXCELLENT STRE...
Publication number
20220136089
Publication date
May 5, 2022
POONGSAN CORPORATION
Jiin HWANG
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
COPPER ALLOY STRIP HAVING HIGH HEAT RESISTANCE AND THERMAL DISSIPAT...
Publication number
20210363611
Publication date
Nov 25, 2021
POONGSAN CORPORATION
Won Shin Kwak
C21 - METALLURGY OF IRON
Information
Patent Application
FREE-CUTTING LEADLESS COPPER ALLOY WITH NO LEAD AND BISMUTH
Publication number
20210363613
Publication date
Nov 25, 2021
POONGSAN CORPORATION
BO MIN JEON
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
COPPER ALLOY FOR ELECTRICAL AND ELECTRONIC PARTS AND SEMICONDUCTORS...
Publication number
20210332459
Publication date
Oct 28, 2021
POONGSAN CORPORATION
Won Shin Kwak
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
CU-CO-SI-FE-P-BASED ALLOY WITH EXCELLENT BENDING FORMABILITY AND PR...
Publication number
20210230727
Publication date
Jul 29, 2021
Poongsan Corporation
Sidam LEE
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
METHOD OF PRODUCING COPPER ALLOY MATERIAL HAVING HIGH STRENGTH AND...
Publication number
20210102281
Publication date
Apr 8, 2021
POONGSAN CORPORATION
Cheol Min Park
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING COPPER-TITANIUM BASED COPPER ALLOY MATERIAL FO...
Publication number
20200377986
Publication date
Dec 3, 2020
POONGSAN CORPORATION
Cheol Min Park
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF TIN-PLATING COPPER ALLOY FOR ELECTRIC OR ELECTRONIC PARTS...
Publication number
20190330743
Publication date
Oct 31, 2019
POONGSAN CORPORATION
Cheol Min Park
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
COPPER ALLOY MATERIAL FOR AUTOMOBILE AND ELECTRICAL AND ELECTRONIC...
Publication number
20190010593
Publication date
Jan 10, 2019
POONGSAN CORPORATION
Cheol Min PARK
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
CLUSTER BOMBLET HAVING BOMBLET BODY FOR PROTECTING FUSE
Publication number
20180364015
Publication date
Dec 20, 2018
POONGSAN CORPORATION
Nam Jin KIM
F42 - AMMUNITION BLASTING
Information
Patent Application
AMMUNITION INSPECTING SYSTEM
Publication number
20170184383
Publication date
Jun 29, 2017
POONGSAN CORPORATION
Dong Hee LEE
F42 - AMMUNITION BLASTING
Information
Patent Application
SYSTEM FOR INSPECTING, FIXING, OR SCREENING AMMUNITION
Publication number
20170184384
Publication date
Jun 29, 2017
POONGSAN CORPORATION
Woo Hyun KIM
F42 - AMMUNITION BLASTING
Information
Patent Application
APPARATUS FOR PACKING AMMUNITION CARTON IN POUCH
Publication number
20170183111
Publication date
Jun 29, 2017
POONGSAN CORPORATION
Dong Hyun KIM
F42 - AMMUNITION BLASTING
Information
Patent Application
METHODS AND APPARATUSES FOR DEUTERIUM RECOVERY
Publication number
20160086831
Publication date
Mar 24, 2016
POONGSAN CORPORATION
Manuel Rivera
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
METHODS AND APPARATUSES FOR DEUTERIUM RECOVERY
Publication number
20160035600
Publication date
Feb 4, 2016
POONGSAN CORPORATION
Manuel Rivera
B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
Information
Patent Application
COPPER ALLOY MATERIAL FOR CONTINUOUS CASTING MOLD AND PROCESS FOR P...
Publication number
20150376755
Publication date
Dec 31, 2015
POONGSAN CORPORATION
Dae Hyun KIM
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
COPPER ALLOY MATERIAL FOR ELECTRICAL AND ELECTRONIC COMPONENTS AND...
Publication number
20140305551
Publication date
Oct 16, 2014
POONGSAN CORPORATION
CHEOL MIN PARK
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
LEADLESS FREE-CUTTING COPPER ALLOY AND METHOD FOR PRODUCING THE SAME
Publication number
20140248175
Publication date
Sep 4, 2014
POONGSAN CORPORATION
Beum Jae Lee
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
COPPER ALLOY WITH HIGH STRENGTH AND HIGH CONDUCTIBILITY, AND METHOD...
Publication number
20120312431
Publication date
Dec 13, 2012
POONGSAN CORPORATION
Dae Hyun Kim
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
PRODUCTION METHOD FOR HIGH PURITY COPPER POWDER USING A THERMAL PLASMA
Publication number
20120240726
Publication date
Sep 27, 2012
Poongsan Corporation
Dae Hyun Kim
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Trademark
last 30 trademarks
Information
Trademark
79399156 - X-TAC
Serial number
79399156
Filing date
May 20, 2024
Poongsan Corporation
13 - Firearms
Information
Trademark
86578504 - PSBIO
Serial number
86578504
Registration number
5415276
Filing date
Mar 27, 2015
POONGSAN CORPORATION
6 - Common metals and their alloys
Information
Trademark
85773314 - X-TAC MATCH
Serial number
85773314
Registration number
4686623
Filing date
Nov 7, 2012
POONGSAN CORPORATION
13 - Firearms
Information
Trademark
76696889 - ERANGE
Serial number
76696889
Registration number
3759655
Filing date
Jun 12, 2007
Poongsan Corporation
13 - Firearms
Information
Trademark
79041564 - ERANGE
Serial number
79041564
Filing date
Jun 12, 2007
Poongsan Corporation
13 - Firearms