Lupke; Stefan A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Lupke; Stefan A..The latest application filed is for "finned mold block".
Company Profile
10.37.35
- Lupke; Stefan A. - Thornhill N/A CA
- Lupke; Stefan A. - Concord ON CA
- Lupke; Stefan A. - Ontario CA
- Lupke, Stefan A - Thornhill CA
Patent Activity
| Patent | Date |
|---|---|
| Finned mold block Grant 11,407,161 - Lupke , et al. August 9, 2 | 2022-08-09 |
| Finned Mold Block App 20220097281 - Lupke; Manfred A. A. ; et al. | 2022-03-31 |
| Pipe coupling Grant 11,156,316 - Lupke , et al. October 26, 2 | 2021-10-26 |
| Air pressure control for corrugator Grant 11,148,342 - Lupke , et al. October 19, 2 | 2021-10-19 |
| Die head and die tooling spider with spider legs having curved flow guides Grant 11,052,593 - Lupke , et al. July 6, 2 | 2021-07-06 |
| Method for forming inline triple wall coupling connector Grant 11,034,073 - Lupke , et al. June 15, 2 | 2021-06-15 |
| Die Head and Die Tooling Spider with Spider Legs Having Curved Flow Guides App 20200391426 - LUPKE; Manfred A.A. ; et al. | 2020-12-17 |
| Pipe Coupling App 20200011462 - Lupke; Manfred A.A. ; et al. | 2020-01-09 |
| Pulsating Pipe Mold With Spigot Connector App 20190299516 - Lupke; Manfred A.A. ; et al. | 2019-10-03 |
| System and method for identifying thermal expansion issues in a corrugator Grant 10,279,536 - Lupke , et al. | 2019-05-07 |
| Mold block return Grant 9,969,119 - Lupke , et al. May 15, 2 | 2018-05-15 |
| Method For Forming Inline Triple Wall Coupling Connector App 20170321829 - LUPKE; Manfred A. A. ; et al. | 2017-11-09 |
| Improved Mold Block Return App 20170217080 - LUPKE; Manfred A. A. ; et al. | 2017-08-03 |
| Improved Air Pressure Control For Corrugator App 20170217074 - LUPKE; Manfred A.A. ; et al. | 2017-08-03 |
| System And Method For Identifying Thermal Expansion Issues In A Corrugator App 20170066174 - Lupke; Manfred A.A. ; et al. | 2017-03-09 |
| Pipe Coupling App 20160265700 - Lupke; Manfred A.A. ; et al. | 2016-09-15 |
| Die tooling for extruding tubular product Grant 8,684,719 - Lupke , et al. April 1, 2 | 2014-04-01 |
| Pipe Cut-off Apparatus App 20120085206 - LUPKE; Manfred A. A. ; et al. | 2012-04-12 |
| Non-circular pipe profile Grant 8,146,620 - Lupke , et al. April 3, 2 | 2012-04-03 |
| Alignable cooling plug for extruder Grant 8,075,295 - Lupke , et al. December 13, 2 | 2011-12-13 |
| Method of forming corrugated pipe with a pipe spigot seal seat Grant 7,976,753 - Lupke , et al. July 12, 2 | 2011-07-12 |
| Die Tooling for Extruding Tubular Product App 20100316754 - Lupke; Manfred A. A. ; et al. | 2010-12-16 |
| Alignable Cooling Plug for Extruder App 20100303942 - Lupke; Manfred A.A. ; et al. | 2010-12-02 |
| Pipe extruding system with cooling plug separation Grant 7,798,796 - Lupke , et al. September 21, 2 | 2010-09-21 |
| Non-circular pipe profile App 20100200100 - Lupke; Manfred A. A. ; et al. | 2010-08-12 |
| Method of forming corrugated pipe with a pipe spigot seal seat App 20100032046 - Lupke; Manfred A.A. ; et al. | 2010-02-11 |
| Pipe cut-off apparatus App 20100031789 - Lupke; Manfred A. A. ; et al. | 2010-02-11 |
| Device for manufacturing a double-walled, thermoplastic tube with a connecting sleeve Grant 7,625,196 - Lupke , et al. December 1, 2 | 2009-12-01 |
| Double walled corrugated pipe section with pipe coupling App 20090206595 - Lupke; Manfred A. A. ; et al. | 2009-08-20 |
| Pipe molding system with vacuum and temperature controls of cooling plugs Grant 7,524,177 - Lupke , et al. April 28, 2 | 2009-04-28 |
| Pipe extruding system with cooling plug separation App 20090102084 - Lupke; Manfred A.A. ; et al. | 2009-04-23 |
| Molding apparatus with mold blocks having profiled face adjustment Grant 7,517,209 - Lupke , et al. April 14, 2 | 2009-04-14 |
| Externally cooled moving mold Grant 7,311,509 - Lupke , et al. December 25, 2 | 2007-12-25 |
| Pipe molding apparatus with mold tunnel air turbulence Grant 7,267,535 - Lupke , et al. September 11, 2 | 2007-09-11 |
| Flow distributor for die tooling of pipe mold equipment with remote extruder Grant 7,264,457 - Lupke , et al. September 4, 2 | 2007-09-04 |
| Pipe molding system with vacuum and temperature controls of cooling plugs App 20070134357 - Lupke; Manfred A. A. ; et al. | 2007-06-14 |
| Device for manufacturing a double-walled thermoplastic pipe with a connecting sleeve Grant 7,214,051 - Lupke , et al. May 8, 2 | 2007-05-08 |
| Externally cooled moving mold App 20070014884 - Lupke; Manfred A. A. ; et al. | 2007-01-18 |
| Pipe mold with compensation for pipe shrinkage Grant 7,104,777 - Lupke , et al. September 12, 2 | 2006-09-12 |
| Tube cutting device Grant 7,013,778 - Lupke , et al. March 21, 2 | 2006-03-21 |
| Device for manufacturing a double-walled thermoplastic pipe with a connecting sleeve App 20060033244 - Lupke; Manfred Arno Alfred ; et al. | 2006-02-16 |
| Pipe molding apparatus with mold tunnel air turbulence App 20060013911 - Lupke; Manfred A. ; et al. | 2006-01-19 |
| Pipe mold with compensation for pipe shrinkage App 20050260297 - Lupke, Manfred A. A. ; et al. | 2005-11-24 |
| Pipe mold with compensation for pipe shrinkage Grant 6,905,325 - Lupke , et al. June 14, 2 | 2005-06-14 |
| Molding die for ribbed pipe Grant 6,877,976 - Lupke , et al. April 12, 2 | 2005-04-12 |
| Molding die for ribbed pipe App 20040047937 - Lupke, Manfred A. A. ; et al. | 2004-03-11 |
| Pipe mold apparatus with contact and air cooling of plastic in a mold tunnel App 20040047932 - Lupke, Manfred A. A. ; et al. | 2004-03-11 |
| Molding apparatus with mold block section transfer system Grant 6,644,951 - Lupke , et al. November 11, 2 | 2003-11-11 |
| Pipe mold with compensation for pipe shrinkage App 20030138514 - Lupke, Manfred A A ; et al. | 2003-07-24 |
| Method of making a pipe with coupling conforming to pipe diameter Grant 6,399,002 - Lupke , et al. June 4, 2 | 2002-06-04 |
| Molding apparatus with mold block section transfer system App 20020025355 - Lupke, Manfred A.A. ; et al. | 2002-02-28 |
| Mold block with air flow control Grant 6,089,851 - Lupke , et al. July 18, 2 | 2000-07-18 |
| Extruder head mandrel spider Grant 6,056,528 - Lupke , et al. May 2, 2 | 2000-05-02 |
| Pipe forming mandrel with multiple sleeve inner tube Grant 5,846,575 - Lupke , et al. December 8, 1 | 1998-12-08 |
| Mold apparatus with cooling channels Grant 5,573,787 - Lupke , et al. November 12, 1 | 1996-11-12 |
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