A+ CORP

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 464
 
  
 
C23F NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACES 333
 
  
 
B01D SEPARATION 1133
 
  
 
B02C CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN 134
 
  
 
B28B SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER 127
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6379457 Cement moldings containing vegetable fiber and method for producing the sameSep 06, 00Apr 30, 02[C04B]
6139620 Calcium silicate board and method of manufacturing sameFeb 18, 98Oct 31, 00[B28B, C04B]
6086804 Method of making bamboo fiber and inorganic bodyJul 10, 96Jul 11, 00[B02C, C04B]
5952087 Calcium silicate board and method of manufacture thereforAug 19, 98Sep 14, 99[B32B]
5851354 Method of manufacturing calcium silicate boardFeb 25, 97Dec 22, 98[C04B]
5486308 Compositions combinations of dessicants and vapor-corrosion inhibitorsApr 04, 94Jan 23, 96[C23F]
5476586 Housing for sheet of phase-separating materialDec 29, 94Dec 19, 95[B01D]
5391322 Method for extending the service life of a vapor-corrosion inhibitorApr 04, 94Feb 21, 95[C23F]
5324448 Combination dessicant and vapor-corrosion inhibitorDec 14, 92Jun 28, 94[C23F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6391435 Reinforcing bamboo fiber, manufacturing method thereof, inorganic molded body using reinforcing bamboo fiber, and manufacturing method thereofExpiredMar 24, 00May 21, 02[B32B]
6352072 Ingot support device for slicing siliconExpiredJul 25, 01Mar 05, 02[B25D]
6333377 Ingot support device for slicing siliconExpiredMar 08, 99Dec 25, 01[C08K]
5556040 Method and apparatus for improving dispersibility of vegetable fiberExpiredJan 19, 94Sep 17, 96[B02C]
5415821 Method of manufacturing fiber reinforced inorganic hardened bodyExpiredOct 12, 93May 16, 95[B32B]
5403087 Mixing apparatus and mixing method for mixing fibrous and powder materialsExpiredDec 28, 93Apr 04, 95[B28C, B01F]
5397067 Method of producing bamboo fibersExpiredJan 04, 94Mar 14, 95[B02C]
5393214 Apparatus for manufacturing a fiber reinforced inorganic hardened bodyExpiredDec 15, 92Feb 28, 95[B29C]

Top Inventors for This Owner

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