CONTECH CONSTRUCTION PRODUCTS INC.

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

  • No Technology to Display

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

  • No Recent Publications to Display

Recent Patents

  • No Recent Patents to Display

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2007/0245,789 Method of producing helically corrugated metal pipe and related pipe constructionAbandonedApr 21, 06Oct 25, 07[B21C]
2005/0108,960 Polymer concrete pipeAbandonedNov 11, 04May 26, 05[E02D]
5383693 Gaskets used in joining corrugated pipeExpiredJun 11, 92Jan 24, 95[F16L]
4974440 Self propelled internal pipe arching apparatusExpiredOct 30, 89Dec 04, 90[B21D]
4914939 Self propelled internal pipe arching apparatusExpiredJun 03, 88Apr 10, 90[B21D]
4865357 Metal pipe coupling to accommodate a desired angle of connection between drainage pipe sectionsExpiredAug 22, 88Sep 12, 89[F16L]
4846660 Apparatus for producing double wall pipeExpiredSep 04, 85Jul 11, 89[B29C]
4580345 Laser pipe layout deviceExpiredAug 24, 84Apr 08, 86[B43L, G01C]
4545703 Concrete faced bin wallExpiredFeb 09, 83Oct 08, 85[E02D]
4417939 System for producing a bitumen laminateExpiredMar 02, 82Nov 29, 83[B32B]
4397303 Heat exchanger for concentrating solar collectors and method for making the heat exchangerExpiredFeb 09, 81Aug 09, 83[F24J]
4390306 Composite arch structureExpiredJan 28, 81Jun 28, 83[E21D, F16L, E01G]
D256843 Sheet pilingExpiredSep 27, 78Sep 09, 80[D250]
D256731 Sheet pilingExpiredSep 27, 78Sep 02, 80[D250]
D256620 Sheet pilingExpiredSep 27, 78Aug 26, 80[D250]

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.