C.A. Lawton Company

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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 7118
 
  
 
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 225
 
  
 
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
6004123 Apparatus for making preformsNov 07, 97Dec 21, 99[B29C]
6001300 Method for making rigid three-dimensional preforms using directed electromagnetic energyDec 06, 89Dec 14, 99[B29B]
5866060 Method for making preformsMar 10, 95Feb 02, 99[B29C]
5827392 Method for making structural reinforcement preforms including energetic basting of reinforcement membersOct 08, 96Oct 27, 98[B32B]
5487853 Energetic stitching for complex preformsFeb 14, 94Jan 30, 96[B29C]
5382148 Two-stage mat forming, preforming and molding apparatusFeb 10, 93Jan 17, 95[B29C]
5364258 Apparatus for making structural reinforcement preforms including energetic basting of reinforcement membersFeb 25, 93Nov 15, 94[B29C]
5338169 Apparatus for making preformsNov 13, 92Aug 16, 94[B29B]
5217654 Two-stage mat forming preforming and molding processJan 30, 92Jun 08, 93[B29C]
5169571 Mat forming process and apparatusApr 16, 91Dec 08, 92[B29C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6981906 Methods and apparatus for milling grooves with abrasive fluidjetsExpiredJun 23, 03Jan 03, 06[B24C]
6364518 Method and apparatus for manufacturing a plastic material particularly provided with additivesExpiredSep 15, 97Apr 02, 02[B29B]
6241138 Paper web threading apparatus and method for threading a paper web through a papermaking machineExpiredNov 02, 99Jun 05, 01[D06F, G03B, D21F]
5217656 Method for making structural reinforcement preforms including energetic basting of reinforcement membersExpiredJul 12, 90Jun 08, 93[B29C]
5192387 Method of making preformsExpiredNov 05, 90Mar 09, 93[B28B, B29C, B32B, D04H]
4215543 Method and apparatus for linear and nonlinear control of a hydraulic pressExpiredApr 09, 79Aug 05, 80[F16H]

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