WOOSHIN INDUSTRIAL CO., LTD.

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F01N GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES 370
 
  
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 3151
 
  
 
B01D SEPARATION 1133
 
  
 
B21C MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL120
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 155
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 1124
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156
 
  
 
C03C CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS159
 
  
 
C25D PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING 150
 
  
 
G10K SOUND-PRODUCING DEVICES 134

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0170,498 FUEL CELL STACK ENCLOSUREMay 20, 16Jun 15, 17[H01M]
2016/0130,176 RADIO WAVE PENETRATION-TYPE MULTILAYER OPTICAL COATINGJun 25, 15May 12, 16[C03C]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9871261 Fuel cell stack enclosureMay 20, 16Jan 16, 18[H01M]
9827519 Method of manufacturing filter pipe for vehicle and filter pipe for vehicleSep 29, 15Nov 28, 17[F01N, B21C, B21D, B01D]
9698438 Ventilation apparatus and control method thereofDec 03, 14Jul 04, 17[H01M]
9118044 Method for manufacturing manifold for fuel cellMay 01, 13Aug 25, 15[B29C, H01M, B29L, B32B]
8938955 Exhaust manifoldMay 23, 11Jan 27, 15[F01N]
8900437 Apparatus and method for forming oxidation layer on manifold block for fuel cell stackNov 22, 11Dec 02, 14[C25D, H01M]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2015/0354,618 APPARATUS FOR PREVENTING BOLT RELEASEAbandonedOct 29, 14Dec 10, 15[F16B]

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.