Davis-Standard Corporation

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 4121
 
  
 
B29B PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS 324
 
  
 
F16H GEARING298
 
  
 
F16M FRAMES, CASINGS, OR BEDS, OF ENGINES OR OTHER MACHINES OR APPARATUS, NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS OR SUPPORTS233
 
  
 
B28B SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER 127
 
  
 
B65H HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES178

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7179073 Pressure-reducing valve and a controller for a blow-molding machine and method thereofMar 04, 03Feb 20, 07[B29C]
7017852 Multiple fixed-position film centerwinder and method for winding web materialApr 01, 04Mar 28, 06[B65H]
6852257 Method for operating extruder temperature controller with stable temperature resetJul 29, 02Feb 08, 05[B29C]
6755564 Extruder temperature controller with stable temperature resetNov 12, 02Jun 29, 04[B29C]
6305922 Spiral fed multi-layer tubular dieJan 25, 95Oct 23, 01[B29C]
6179461 Extruder screwSep 03, 99Jan 30, 01[B29B]
6176606 Extruder screwSep 03, 99Jan 23, 01[B29B]
6139179 Extruder screw having multi-channeled barrier sectionSep 03, 99Oct 31, 00[B29B]
6120404 Belt tensionerJan 07, 00Sep 19, 00[F16M, B28B, F16H]
6050915 Belt tensionerSep 09, 98Apr 18, 00[F16M, F16H]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2003/0214,067 Twin screw extruders for processing wood fiber and process for sameAbandonedApr 29, 03Nov 20, 03[B29C]
2002/0153,447 Multiple fixed-position film centerwinder and method for winding web materialAbandonedApr 18, 02Oct 24, 02[B65H]
4302170 Accumulator head having a piston with a self-wiping faceExpiredJul 18, 80Nov 24, 81[B29D]
4297092 Accumulator head used in the formation of a multi-layer parisonExpiredJun 30, 80Oct 27, 81[B29C, B29D]

Top Inventors for This Owner

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