Lydall, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 5129
 
  
 
E04B GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS 542
 
  
 
D04H MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL 427
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM3154
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 254
 
  
 
D21H PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C, D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR 236
 
  
 
B03C MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS 120
 
  
 
B62D MOTOR VEHICLES; TRAILERS 190
 
  
 
D01D MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES, OR RIBBONS126
 
  
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 1153

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2016/0256,806 COMPOSITE FILTER MEDIA INCLUDING A NANOFIBER LAYER FORMED DIRECTLY ONTO A CONDUCTIVE LAYERMar 03, 16Sep 08, 16[D01D, B01D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9211491 Air filtration media and processes for manufacturing the sameNov 06, 12Dec 15, 15[B01D]
8637414 Gradient density padding material and method of making sameApr 22, 03Jan 28, 14[B29C, E04B, D04H]
8545607 Pleatable composite filter mediaAug 17, 10Oct 01, 13[B01D]
8404194 Blood separation mediaJun 25, 09Mar 26, 13[B01D]
7897529 Substrate for carrying catalytic particlesMar 21, 08Mar 01, 11[D04H]
RE39260 Thermal and acoustical insulating shieldSep 26, 02Sep 05, 06[E04B]
6596109 Unitary multi-component filter mediaJul 27, 01Jul 22, 03[B32B]
6579350 Air laid/wet laid gas filtration mediaNov 13, 01Jun 17, 03[B03C]
6231944 Method for producing a thermal, acoustical and/or vibrational abatement shield and shield produced therebyJul 27, 99May 15, 01[B32B]
6123172 Thermal and acoustical insulating shieldJul 22, 99Sep 26, 00[E04B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2014/0360,146 WET-LAID DUAL-LAYER AIR FILTRATION MEDIA INCLUDING A LARGE DIAMETER SYNTHETIC POLYMERIC FIBER IN A TOP LAYER THEREOFAbandonedJun 09, 14Dec 11, 14[B01D]
2013/0306,547 PLEATED FILTER MEDIA WITH CONTINUALLY VARYING INTERMEDIATE PLEAT HEIGHTSAbandonedMay 16, 12Nov 21, 13[B23P, B31B, B01D, D04H]
2012/0248,034 METHODS OF MAKING AND USING LIQUID FILTER MEDIAAbandonedMar 22, 12Oct 04, 12[C23C, B01D]
2012/0085,567 ELECTRICAL INSULATION MATERIALS AND METHODS OF MAKING AND USING SAMEAbandonedJun 03, 10Apr 12, 12[H01B, B31F, D21H]
2012/0085,695 Carbon nanotube wetlaid depth mediaAbandonedOct 11, 10Apr 12, 12[B82Y, B01D]
2008/0176,050 Gypsum wallboard facingsAbandonedDec 03, 07Jul 24, 08[B32B]
2007/0163,218 Composite dual layer HEPA filterAbandonedDec 21, 06Jul 19, 07[B01D]
2007/0084,787 Synthetic fiber pleatable filtration material and filterAbandonedMay 25, 06Apr 19, 07[B01D]
2007/0077,426 Process and apparatus for making improved glass micro fibersAbandonedJul 06, 06Apr 05, 07[D02G]
2006/0277,877 High efficiency fuel filterAbandonedJan 31, 06Dec 14, 06[B01D]
2005/0006,303 Atmospheric plasma treatment of meltblown fibers used in filtrationAbandonedApr 13, 04Jan 13, 05[B01D]
2004/0166,591 Closed system for sampling of blood componentsAbandonedDec 18, 03Aug 26, 04[G01N]
2003/0224,682 Compressible gasket and flame shieldAbandonedJun 03, 02Dec 04, 03[B27N, B32B]
6521077 Method for insulating a cryogenic containerExpiredMar 25, 99Feb 18, 03[B29C]
2002/0058,179 Electrical conducting, non-woven textile fabricAbandonedSep 10, 01May 16, 02[H01M, B32B]
6271156 Fire-resistant core for a combustible fire-rated panelExpiredSep 22, 98Aug 07, 01[B32B]
5857640 Method of wrapping cryogenic insulation around an inner cryogenic tankExpiredNov 07, 97Jan 12, 99[B65H]
5749537 Method of wrapping cryogenic insulation around an inner cryogenic tankExpiredNov 07, 95May 12, 98[B65H]
5108817 Multi-component heat shieldExpiredApr 30, 90Apr 28, 92[B32B]
4948649 Integral textile composite fabricExpiredAug 08, 89Aug 14, 90[B32B]

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