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.

List of Active Patents – Corma Inc.

CountryApplication No.Filing DatePatent No.Issue DateTitleStatus
Canada2,524,346Jun 23-20042,524,34609-30-2008Device for Manufacturing a Double-Walled Thermoplastic Pipe with a Connecting SleeveIssued
Canada2,464,245Apr 08-20042,464,24512-04-2007Method of Forming Corrugated Pipe with a Pipe Spigot Seal SeatIssued
Canada2,588,058May 08-20072,588,05807-15-2014Alignable Cooling Plug for ExtruderIssued
Canada2,621,322Feb 14-20082,621,32212-16-2014Double Walled Corrugated Pipe Section with Pipe CouplingIssued
India4184/DELNP/2010Jan 27-200935025210-28-2020Pipe Cut-Off ApparatusIssued
Canada2,619,162Jan 30-20082,619,16209-21-2010Pipe Cut-off ApparatusIssued
Canada2,653,137Feb 09-20092,653,13701-12-2016Non-Circular Pipe ProfileIssued
BrazilPI1012884-0Jun 10-2010PI1012884-001-07-2020Die ToolingIssued
MexicoMX/A/2011/013315Jun 10-201032987605-05-2015Die Tooling for Extruding Tubular ProductIssued
Canada2,668,518Jun 11-20092,668,51809-25-2012Die Tooling for Extruding Tubular ProductIssued
Australia2015263782May 15-2015201526378212-05-2019Apparatus and Method for Identifying Thermal Expansion in a Pipe CorrugatorIssued
BrazilBR 112016026913.6May 15-2015BR 112016026913.612-21-2021Apparatus And Method For Identifying Thermal Expansion In A Pipe CorrugatorIssued
Canada2,852,557May 20-20142,852,55704-05-2022System and Method for Identifying Thermal Expansion Issues in a CorrugatorIssued
India201617040779.00May 15-201546273710-27-2023Apparatus And Method For Identifying Thermal Expansion In A Pipe CorrugatorIssued
Japan2016-568691May 15-2015663254712-20-2019Apparatus And Method For Identifying Thermal Expansion In A Pipe CorrugatorIssued
MexicoMX/A/2016/015158May 15-201537214810-21-2019Apparatus And Method For Identifying Thermal Expansion In A Pipe CorrugatorIssued
U.S.A.15/353,044Nov 16-201610,279,53605-07-2019System and Method for Identifying Thermal Expansion Issues in a CorrugatorIssued
Germany15796354.7May 15-2015602015025504.602-27-2019Apparatus and Method for Identifying Thermal Expansion in a Pipe CorrugatorIssued
United Kingdom15796354.7May 15-2015314569302-27-2019Apparatus and Method for Identifying Thermal Expansion in a Pipe CorrugatorIssued
Australia2015292209Jul 23-2015201529220903-12-2020Improved Air Pressure Control for CorrugatorIssued
Brazil11 2017 001222 7Jul 23-2015BR 112017001222-708-03-2021Improved Air Pressure Control For CorrugatorIssued
Canada2,857,699Jul 23-20142,857,69907-28-2020Improved Air Pressure Control For CorrugatorIssued
Europe15824640.5Jul 23-2015Improved Air Pressure Control for CorrugatorPending
Japan2017-524070Jul 23-2015683571702-08-2021Improved Air Pressure Control For CorrugatorIssued
South Korea10-2017-7003511Jul 23-201510-230105709-06-2021Improved Air Pressure Control For CorrugatorIssued
MexicoMX/A/2017/000987Jul 23-201538749310-28-2021Improved Air Pressure Control For CorrugatorIssued
U.S.A.15/328,310Jul 23-201511,148,34210-19-2021Improved Air Pressure Control For CorrugatorIssued
Australia2015327724Sep 30-2015201532772403-05-2020Improved Mold Block ReturnIssued
Brazil11 2017 003300 3Sep 30-2015BR 112017003300-308-10-2021Pipe Corrugator With Disengaging Mold Blocks And Method ThereforIssued
Canada2,865,601Sep 30-20142,865,60104-26-2022Mold Block ReturnIssued
China201580046229.10Sep 30-2015ZL 201580046229.112-31-2019Improved Mold Block ReturnIssued
India201717003483.00Sep 30-201546616411-06-2023Improved Mold Block ReturnIssued
Japan2017-511178Sep 30-2015666972603-02-2020Improved Mold Block ReturnIssued
South Korea10-2017-7005052Sep 30-201510-236413802-14-2022Improved Mold Block ReturnIssued
MexicoMX/A/2017/002578Sep 30-201538320006-03-2021Improved Mold Block ReturnIssued
Russian Federation2017104509Sep 30-2015271352502-05-2020Improved Mold Block ReturnIssued
U.S.A.15/500,799Sep 30-20159,969,11905-15-2018Mold Block ReturnIssued
Germany15845617.8Sep 30-201560 2015 079 699.306-29-2022Improved Mold Block ReturnIssued
France15845617.8Sep 30-2015320093906-29-2022Improved Mold Block ReturnIssued
United Kingdom15845617.8Sep 30-2015320093906-29-2022Improved Mold Block ReturnIssued
Ireland15845617.8Sep 30-2015320093906-29-2022Improved Mold Block ReturnIssued
Italy15845617.8Sep 30-2015320093906-29-2022Improved Mold Block ReturnIssued
The Netherlands15845617.8Sep 30-2015320093906-29-2022Improved Mold Block ReturnIssued
Poland15845617.8Sep 30-2015320093906-29-2022Improved Mold Block ReturnIssued
U.S.A.15/531,036Nov 27-201511,034,07306-15-2021Method for Forming Inline Triple Wall Coupling ConnectorIssued
MexicoMX/a/2017/006856Nov 27-201539428307-27-2022Method for Forming Inline Triple Wall Coupling ConnectorIssued
Canada2,891,728May 15-20152,891,72806-28-2022Foam Filled Corrugated PipeIssued
Australia2017347020Oct 20-2017201734702002-03-2022Pulsating Pipe Mold with Spigot ConnectorIssued
BrazilBR112019008087-2Oct 20-2017BR112019008087-202-07-2023Pulsating Pipe Mold with Spigot ConnectorIssued
Canada2,946,104Oct 21-20162,946,10410-26-2021Pulsating Pipe Mold with Spigot ConnectorIssued
China201780076708.70Oct 20-2017ZL 201780076708.707-23-2021Pulsating Pipe Mold with Spigot ConnectorIssued
India201917019174.00Oct 20-201738806301-31-2022Pulsating Pipe Mold with Spigot ConnectorIssued
MexicoMX/a/2019/004548Oct 20-2017Pulsating Pipe Mold with Spigot ConnectorPending
Russian Federation2019114412Oct 20-2017275318608-12-2021Pulsating Pipe Mold with Spigot ConnectorIssued
U.S.A.16/388,111Oct 20-201710,759,10809-01-2020Pulsating Pipe Mold with Spigot ConnectorIssued
Canada3,224,152Jun 28-2022System and Method for Mold Block Exchange on Return TrackPending
China202280045657.20Jun 28-2022System and Method for Mold Block Exchange on Return TrackPending
Europe22831096.7Jun 28-2022System and Method for Mold Block Exchange on Return TrackPending
India202317088177.00Jun 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 TrackPending