W. R. Meadows, Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
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 1424
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156
 
  
 
2301 FLUID DISTRIBUTION EQUIPMENT149

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8852401 Wet-end manufacturing process for bitumen-impregnated fiberboardDec 17, 13Oct 07, 14[D21H]
8632660 Wet-end manufacturing process for bitumen-impregnated fiberboardMar 15, 13Jan 21, 14[D21H]
8632661 Wet-end manufacturing process for bitumen-impregnated fiberboardMar 15, 13Jan 21, 14[D21H]
8562788 Wet-end manufacturing process for bitumen-impregnated fiberboardJan 23, 13Oct 22, 13[D21H]
8562789 Wet-end manufacturing process for bitumen-impregnated fiberboardJan 23, 13Oct 22, 13[D21H]
8562790 Wet-end manufacturing process for bitumen-impregnated fiberboardJan 23, 13Oct 22, 13[D21H]
8518217 Wet-end manufacturing process for bitumen-impregnated fiberboardJun 15, 12Aug 27, 13[D21H]
8382951 Wet-end manufacturing process for bitumen-impregnated fiberboardJun 18, 12Feb 26, 13[D21H]
8382952 Wet-end manufacturing process for bitumen-impregnated fiberboardJun 18, 12Feb 26, 13[D21H]
8382953 Wet-end manufacturing process for bitumen-impregnated fiberboardJul 13, 12Feb 26, 13[D21H]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2013/0164,526 Wet-End Manufacturing Process for Bitumen-Impregnated FiberboardAbandonedFeb 21, 13Jun 27, 13[D21H, E01C]
2013/0153,165 Wet-End Manufacturing Process for Bitumen-Impregnated FiberboardAbandonedFeb 21, 13Jun 20, 13[D21H]
2006/0117,680 Decorative swimming pool joint and draining systemAbandonedNov 21, 05Jun 08, 06[E02D]
5151456 Emulsified sealant having a high solids contentExpiredMay 28, 91Sep 29, 92[B01J]
4547399 Sealing composition and method of making the sameExpiredJun 14, 84Oct 15, 85[E01C, B22B, C08L]
4495319 Water based concrete cureExpiredDec 29, 83Jan 22, 85[C08K]
4443578 Cold applied joint sealantExpiredFeb 08, 83Apr 17, 84[C08L]
4439563 Water based concrete cureExpiredSep 23, 82Mar 27, 84[C08K]
4364975 Method of and apparatus for producing asphalt saturated fiberboardExpiredJun 29, 81Dec 21, 82[C23C, B05D]

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