PRINSCO, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL763
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 5120
 
  
 
2301 FLUID DISTRIBUTION EQUIPMENT446
 
  
 
B29K INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS 328
 
  
 
G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR265
 
  
 
B65B MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING 163
 
  
 
E02B HYDRAULIC ENGINEERING 117
 
  
 
F16J PISTONS; CYLINDERS; PRESSURE VESSELS IN GENERAL; SEALINGS149
 
  
 
G01N INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES 1205
 
  
 
H02G INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES 148

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0219,132 WEBLESS CORRUGATED DUAL WALL FOUNDATION DRAIN AND RELATED METHODJan 25, 17Aug 03, 17[F16L, B29C, E02B]
2017/0073,093 Method For Storing And Transporting Arch-Shaped Stormwater Leaching ChambersSep 06, 16Mar 16, 17[B65B]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9815229 Method of rotational molding rib profile for large diameter pipe fittingsJan 23, 15Nov 14, 17[F16L, B29C, B29K, B29L]
9764506 System and method of inspecting inner smooth wall of corrugated dual wall pipeApr 13, 16Sep 19, 17[F16L, B29C, G01M, G01N, B29K, B29L]
9662826 Coilable dual wall corrugated pipe and related methodAug 12, 14May 30, 17[F16L, B29C, G01M, B29K, B29L]
D787649 Webless corrugated dual wall foundation drainJan 28, 16May 23, 17[2301]
8991830 Heat-fusible gasket and method of manufactureOct 05, 10Mar 31, 15[F16L, H02G, F16J]
D724704 Corrugated foundation drainage tileJan 17, 14Mar 17, 15[2301]
8967674 Rib construction for large diameter pipe fittingsJun 01, 10Mar 03, 15[F16L, B29C, B29L]
D650053 Pipe rib gasketFeb 15, 11Dec 06, 11[2301]
D644306 Corrugation saddle gasketFeb 15, 11Aug 30, 11[2301]
7886774 Corrugated foundation drainJul 28, 09Feb 15, 11[F16L]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4969670 Large diameter corrugated plastic pipeExpiredApr 20, 90Nov 13, 90[F16L]
4946206 Bidirectional corrugated pipe-rib sealExpiredFeb 27, 89Aug 07, 90[F16L]
4913473 Large diameter double-walled plastic pipeExpiredNov 16, 87Apr 03, 90[F16L]

Top Inventors for This Owner

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