HOLLINGSWORTH & VOSE COMPANY

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 7564
 
  
 
H01M PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY 20134
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM14143
 
  
 
D21F PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON623
 
  
 
A62B DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING 433
 
  
 
D04H MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL 427
 
  
 
A41D OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES 332
 
  
 
D02G CRIMPING OR CURLING FIBRES, FILAMENTS, YARNS, OR THREADS; YARNS OR THREADS326
 
  
 
B03C MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS 219
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 2123

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2018/0026,247 MULTI-REGION BATTERY SEPARATORSJul 06, 17Jan 25, 18[H01M]
2018/0015,405 WAVED FILTER MEDIA AND ELEMENTSMay 22, 17Jan 18, 18[B01D]
2018/0001,244 MULTI-LAYERED ELECTRET-CONTAINING FILTRATION MEDIAJul 01, 16Jan 04, 18[A41D, A62B, B01D]
2018/0001,247 MULTI-LAYERED ELECTRET-CONTAINING FILTRATION MEDIAJul 22, 16Jan 04, 18[B01D]
2017/0373,293 BATTERY SEPARATORS COMPRISING INORGANIC PARTICLESJul 12, 17Dec 28, 17[H01M]
2017/0341,006 COALESCING FILTER MEDIAMay 31, 16Nov 30, 17[B01D]
2016/0361,674 FILTER MEDIA INCLUDING FINE STAPLE FIBERSJun 09, 16Dec 15, 16[B01D]
2016/0303,498 STABLE FILTER MEDIA INCLUDING NANOFIBERSApr 17, 15Oct 20, 16[B01D]
2016/0214,044 FILTER MEDIA HAVING AN OPTIMIZED GRADIENTAug 22, 14Jul 28, 16[B01D]
2016/0166,953 FILTER MEDIA INCLUDING FINE STAPLE FIBERSDec 15, 14Jun 16, 16[B01D]

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9786885 Battery separators comprising inorganic particlesApr 10, 15Oct 10, 17[H01M]
9728756 Multi-region battery separatorsFeb 08, 17Aug 08, 17[H01M]
9718020 Waved filter media and elementsSep 30, 13Aug 01, 17[B01D]
9694306 Filter media including polymer compositions and blendsMay 24, 13Jul 04, 17[D01D, B01D]
9687771 Waved filter media and elementsOct 08, 14Jun 27, 17[B01D]
9627668 Multi-region battery separatorsDec 14, 16Apr 18, 17[H01M]
9577236 Multi-region battery separatorsFeb 09, 16Feb 21, 17[H01M]
9511330 Fibrillated fibers for liquid filtration mediaDec 19, 13Dec 06, 16[B01D]
9352267 Absorbent and/or adsorptive filter mediaDec 21, 12May 31, 16[B01D]
9293748 Multi-region battery separatorsSep 15, 14Mar 22, 16[H01M]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2016/0166,960 FILTER MEDIA WITH IMPROVED CONDUCTIVITYAbandonedNov 11, 15Jun 16, 16[B01D]
2014/0227,585 BATTERY COMPONENTS WITH LEACHABLE METAL IONS AND USES THEREOFAbandonedApr 23, 14Aug 14, 14[H01M]
2013/0341,290 FIBRILLATED FIBERS FOR LIQUID FILTRATION MEDIAAbandonedJun 20, 12Dec 26, 13[F02M, B01D]
2013/0168,893 CHARGING OF FILTER MEDIAAbandonedDec 29, 11Jul 04, 13[B29C]
2013/0071,723 BATTERY COMPONENTS WITH LEACHABLE METAL IONS AND USES THEREOFAbandonedSep 21, 11Mar 21, 13[H01M]
2013/0071,734 BATTERY COMPONENTS WITH LEACHABLE METAL IONS AND USES THEREOFAbandonedSep 21, 11Mar 21, 13[H01M]
2013/0071,735 BATTERY COMPONENTS WITH LEACHABLE METAL IONS AND USES THEREOFAbandonedSep 21, 11Mar 21, 13[H01M]
2012/0312,487 SYSTEMS AND METHODS FOR MAKING FIBER WEBSAbandonedMay 11, 12Dec 13, 12[D21F]
2012/0304,602 WAVED FILTER MEDIA AND ELEMENTSAbandonedMay 02, 12Dec 06, 12[B01D]
2012/0152,821 FINE FIBER FILTER MEDIA AND PROCESSESAbandonedDec 17, 10Jun 21, 12[B29C, B01D]
2012/0152,824 FINE FIBER FILTER MEDIA AND PROCESSESAbandonedDec 17, 10Jun 21, 12[B01D, B32B]
2012/0121,975 SURFACE MODIFIED GLASS FIBERSAbandonedNov 23, 11May 17, 12[C03C, H01M, D02G]
2012/0070,728 COMPOSITIONS AND DELIVERY SYSTEMS WITH LEACHABLE METAL IONSAbandonedSep 21, 11Mar 22, 12[H01M, D02G, C08K]
2012/0070,729 GLASS COMPOSITIONS WITH HIGH LEVELS OF BISMUTH OXIDEAbandonedSep 21, 11Mar 22, 12[C03C, H01M, H01B, C08K]
2012/0048,797 FIBER WEB HAVING A HIGH STIFFNESSAbandonedNov 10, 11Mar 01, 12[B01D, B32B]
2012/0021,295 Battery Separators with Bismuth Containing Glass FibersAbandonedAug 02, 11Jan 26, 12[H01M]
2011/0287,324 SURFACE MODIFIED GLASS FIBERSAbandonedAug 05, 10Nov 24, 11[C03C, H01M]
2010/0314,333 FLUTABLE FIBER WEBS WITH LOW SURFACE ELECTRICAL RESISTIVITY FOR FILTRATIONAbandonedJul 07, 09Dec 16, 10[D21H, B01D]
7288338 Mat of glass and other fibers and method for producing such matExpiredNov 23, 04Oct 30, 07[H01M]
2007/0220,852 High Capacity Filter MediumAbandonedMar 27, 06Sep 27, 07[B01D]

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