Patents

Innovation over Imitation™

At Corma, we continually invest in researching and developing innovative solutions to meet the needs of our clients. Many of our industry-leading proprietary innovations are covered under patents or other forms of intellectual property protection. Listed below are our patents relating to various products that we have developed.

USA patent cover page
Canada patent cover page

List of Active Patents – Corma Inc.

CountryApplication No.Filing DatePatent No.Issue DateTitleStatus
Canada2,588,058May 08/20072,588,058Jul 15/2014Alignable Cooling Plug for ExtruderIssued
Canada2,621,322Feb 14/20082,621,322Dec 16/2014Double Walled Corrugated Pipe Section with Pipe CouplingIssued
Canada2,619,162Jan 30/20082,619,162Sep 21/2010Pipe Cut-off ApparatusIssued
India4184/DELNP/2010Jan 27/2009350252Oct 28/2020Pipe Cut-Off ApparatusIssued
Canada2,653,137Feb 09/20092,653,137Jan 12/2016Non-Circular Pipe ProfileIssued
MexicoMX/A/2011/013315Jun 10/2010329876May 05/2015Die Tooling for Extruding Tubular ProductIssued
Canada2,668,518Jun 11/20092,668,518Sep 25/2012Die Tooling for Extruding Tubular ProductIssued
Canada2,852,557May 20/20142,852,557Apr 05/2022System and Method for Identifying Thermal Expansion Issues in a CorrugatorIssued
India201617040779May 15/2015462737Oct 27/2023Apparatus And Method For Identifying Thermal Expansion In A Pipe CorrugatorIssued
Japan2016-568691May 15/20156632547Dec 20/2019Apparatus And Method For Identifying Thermal Expansion In A Pipe CorrugatorIssued
MexicoMX/A/2016/015158May 15/2015372148Oct 21/2019Apparatus And Method For Identifying Thermal Expansion In A Pipe CorrugatorIssued
U.S.A.15/353,044Nov 16/201610,279,536May 07/2019System and Method for Identifying Thermal Expansion Issues in a CorrugatorIssued
Germany15796354.7May 15/2015602015025504.6Feb 27/2019Apparatus and Method for Identifying Thermal Expansion in a Pipe CorrugatorIssued
United Kingdom15796354.7May 15/20153145693Feb 27/2019Apparatus and Method for Identifying Thermal Expansion in a Pipe CorrugatorIssued
Brazil11 2017 001222 7Jul 23/2015BR 112017001222-7Aug 03/2021Improved Air Pressure Control For CorrugatorIssued
U.S.A.15/328,310Jul 23/201511,148,342Oct 19/2021Improved Air Pressure Control For CorrugatorIssued
MexicoMX/A/2017/000987Jul 23/2015387493Oct 28/2021Improved Air Pressure Control For CorrugatorIssued
Japan2017-524070Jul 23/20156835717Feb 08/2021Improved Air Pressure Control For CorrugatorIssued
Canada2,857,699Jul 23/20142,857,699Jul 28/2020Improved Air Pressure Control For CorrugatorIssued
Australia2015292209Jul 23/20152015292209Mar 12/2020Improved Air Pressure Control for CorrugatorIssued
Brazil11 2017 003300 3Sep 30/2015BR 112017003300-3Aug 10/2021Pipe Corrugator With Disengaging Mold Blocks And Method ThereforIssued
The Netherlands15845617.8Sep 30/20153200939Jun 29/2022Improved Mold Block ReturnIssued
Italy15845617.8Sep 30/20153200939Jun 29/2022Improved Mold Block ReturnIssued
Ireland15845617.8Sep 30/20153200939Jun 29/2022Improved Mold Block ReturnIssued
United Kingdom15845617.8Sep 30/20153200939Jun 29/2022Improved Mold Block ReturnIssued
France15845617.8Sep 30/20153200939Jun 29/2022Improved Mold Block ReturnIssued
Germany15845617.8Sep 30/201560 2015 079 699.3Jun 29/2022Improved Mold Block ReturnIssued
U.S.A.15/500,799Sep 30/20159,969,119May 15/2018Mold Block ReturnIssued
MexicoMX/A/2017/002578Sep 30/2015383200Jun 03/2021Improved Mold Block ReturnIssued
South Korea10-2017-7005052Sep 30/201510-2364138Feb 14/2022Improved Mold Block ReturnIssued
Japan2017-511178Sep 30/20156669726Mar 02/2020Improved Mold Block ReturnIssued
India201717003483.0Sep 30/2015466164Nov 06/2023Improved Mold Block ReturnIssued
China201580046229.1Sep 30/2015ZL 201580046229.1Dec 31/2019Improved Mold Block ReturnIssued
Canada2,865,601Sep 30/20142,865,601Apr 26/2022Mold Block ReturnIssued
Australia2015327724Sep 30/20152015327724Mar 05/2020Improved Mold Block ReturnIssued
U.S.A.15/531,036Nov 27/201511,034,073Jun 15/2021Method for Forming Inline Triple Wall Coupling ConnectorIssued
MexicoMX/a/2017/006856Nov 27/2015394283Jul 27/2022Method for Forming Inline Triple Wall Coupling ConnectorIssued
Canada2,891,728May 15/20152,891,728Jun 28/2022Foam Filled Corrugated PipeIssued
U.S.A.16/541,378Aug 15/201911,156,316Oct 26/2021Pipe CouplingIssued
Russian Federation2017133588Mar 11/20162713307Feb 04/2020Two Stage Coupling for Corrugated PipeIssued
MexicoMX/A/2017/011685Mar 11/2016395031Aug 25/2022Two Stage Coupling for Corrugated PipeIssued
China201680025242.3Mar 11/2016107532761Apr 13/2021Two Stage Coupling for Corrugated PipeIssued
Canada2,979,294Mar 11/20162,979,294Jan 11/2022Two Stage Coupling for Corrugated PipeIssued
India201717035586Mar 11/2016476570Dec 04/2023Two Stage Coupling for Corrugated PipeIssued
United Kingdom16760949.4Mar 11/20163268650Feb 14/2024Two Stage Coupling for Corrugated PipeIssued
Ireland16760949.4Mar 11/20163268650Feb 14/2024Two Stage Coupling for Corrugated PipeIssued
Unitary Patent16760949.4Mar 11/20163268650Feb 14/2024Two Stage Coupling for Corrugated PipeIssued
MexicoMX/a/2019/004548Oct 20/2017414380Jun 26/2024Pulsating Pipe Mold with Spigot ConnectorIssued
The Netherlands17862958Oct 20/20173529043Sep 29/2021Pulsating Pipe Mold with Spigot ConnectorIssued
Italy17862958Oct 20/20173529043Sep 29/2021Pulsating Pipe Mold with Spigot ConnectorIssued
Greece20210403416Oct 20/20173529043Sep 29/2021Pulsating Pipe Mold with Spigot ConnectorIssued
United Kingdom17862958Oct 20/20173529043Sep 29/2021Pulsating Pipe Mold with Spigot ConnectorIssued
France17862958Oct 20/20173529043Sep 29/2021Pulsating Pipe Mold with Spigot ConnectorIssued
Germany17862958Oct 20/2017602017046945.9Sep 29/2021Pulsating Pipe Mold with Spigot ConnectorIssued
Austria17862958Oct 20/20173529043Sep 29/2021Pulsating Pipe Mold with Spigot ConnectorIssued
U.S.A.16/388,111Oct 20/201710,759,108Sep 01/2020Pulsating Pipe Mold with Spigot ConnectorIssued
Russian Federation2019114412Oct 20/20172753186Aug 12/2021Pulsating Pipe Mold with Spigot ConnectorIssued
India201917019174Oct 20/2017388063Jan 31/2022Pulsating Pipe Mold with Spigot ConnectorIssued
China201780076708.7Oct 20/2017ZL 201780076708.7Jul 23/2021Pulsating Pipe Mold with Spigot ConnectorIssued
Canada2,946,104Oct 21/20162,946,104Oct 26/2021Pulsating Pipe Mold with Spigot ConnectorIssued
BrazilBR112019008087-2Oct 20/2017BR112019008087-2Feb 07/2023Pulsating Pipe Mold with Spigot ConnectorIssued
Australia2017347020Oct 20/20172017347020Feb 03/2022Pulsating Pipe Mold with Spigot ConnectorIssued
Canada169552Jul 21/2016169552Feb 12/2018Corrugated Pipe With Integral CouplerIssued
Russian Federation2017500301Jan 20/2017110082Aug 01/2018Corrugated Pipe with Integral CouplerIssued
MexicoMX/F/2017/000171Jan 19/201753530Sep 13/2018Corrugated Pipe with Integral CouplerIssued
Canada3,092,516Feb 27/20193,092,516Oct 26/2021A Die Head and Die Tooling Spider with Spider Legs Having Curved Flow GuidesIssued
South Korea10-2020-7028034Feb 27/201910-2486252Jan 04/2023A Die Head and Die Tooling Spider with Spider Legs Having Curved Flow GuidesIssued
ColombiaNC2020/0011961Feb 27/201941181Mar 31/2023A Die Head and Die Tooling Spider with Spider Legs Having Curved Flow GuidesIssued
European Patent Office19761305.2Feb 27/2019A Die Head and Die Tooling Spider with Spider Legs Having Curved Flow GuidesPending
India202017041669Feb 27/2019436599Jun 30/2023A Die Head and Die Tooling Spider with Spider Legs Having Curved Flow GuidesIssued
MexicoMX/a/2020/009011Feb 27/2019417395Oct 07/2024A Die Head and Die Tooling Spider with Spider Legs Having Curved Flow GuidesIssued
Japan2020-545336Feb 27/20197177844Nov 15/2022A Die Head and Die Tooling Spider with Spider Legs Having Curved Flow GuidesIssued
China201980026731.4Feb 27/2019ZL 201980026731.4Sep 30/2022A Die Head and Die Tooling Spider with Spider Legs Having Curved Flow GuidesIssued
U.S.A.17/006,382Aug 28/202011,052,593Jul 06/2021Die Head and Die Tooling Spider with Spider Legs Having Curved Flow GuidesIssued
MexicoMX/a/2024/007635Feb 27/2019422325Mar 14/2025A Die Head and Die Tooling Spider with Spider Legs Having Curved Flow GuidesIssued
Canada3,127,125Jan 31/20203,127,125Dec 21/2021Finned Mold BlockIssued
U.S.A.17/427,026Jan 31/202011,407,161Aug 09/2022Finned Mold BlockIssued
Canada3,224,152Jun 28/2022System and Method for Mold Block Exchange on Return TrackPending
China202280045657.2Jun 28/20222026090100313640Sep 01/2026System and Method for Mold Block Exchange on Return TrackIssued
European Patent Office22831096.7Jun 28/2022System and Method for Mold Block Exchange on Return TrackAllowed
India202317088177Jun 28/2022System and Method for Mold Block Exchange on Return TrackPending
MexicoMX/a/2023/014903Jun 28/2022System and Method for Mold Block Exchange on Return TrackPending
U.S.A.18/573,919Jun 28/2022System and Method for Mold Block Exchange on Return TrackAllowed