Inventor
Stefan A. Lupke
Inventor
Ontario, CA
Overview
Patents· 39 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
B29Cprimary
B29CShaping or joining of plastics38%
B29LIndexing scheme associated with subclass b29c, relating to particular articles22%
B29DProducing particular articles from plastics or from substances in a plastic state11%
F16LPipes9%
Y10TTechnical subjects covered by former us classification4%
B23DPlaning2%
G02BOptical elements, systems or apparatus2%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling1%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material1%
PatentTitleYear
11,052,593Die head and die tooling spider with spider legs having curved flow guides202111,034,073Method for forming inline triple wall coupling connector202110,279,536System and method for identifying thermal expansion issues in a corrugator20199,969,119Mold block return20189,958,661Apparatus for structured illumination of a specimen20189,612,428'Apparatus for confocal observation of a specimen'20178,684,719'Die tooling for extruding tubular product'20148,146,620'Non-circular pipe profile'20128,075,295'Alignable cooling plug for extruder'20117,976,753'Method of forming corrugated pipe with a pipe spigot seal seat'20117,798,796'Pipe extruding system with cooling plug separation'20107,691,317'Method and device for manufacturing a double-walled, thermoplastic tube with a connecting sleeve'20107,625,196'Device for manufacturing a double-walled, thermoplastic tube with a connecting sleeve'20097,524,177'Pipe molding system with vacuum and temperature controls of cooling plugs'20097,517,209'Molding apparatus with mold blocks having profiled face adjustment'20097,311,509'Externally cooled moving mold'20077,267,535'Pipe molding apparatus with mold tunnel air turbulence'20077,264,457'Flow distributor for die tooling of pipe mold equipment with remote extruder'20077,214,051'Device for manufacturing a double-walled thermoplastic pipe with a connecting sleeve'20077,104,777'Pipe mold with compensation for pipe shrinkage'20067,013,778'Tube cutting device'20066,905,325'Pipe mold with compensation for pipe shrinkage'20056,877,976'Molding die for ribbed pipe'20056,644,951'Molding apparatus with mold block section transfer system'20036,401,320'Method of simultaneously making a plurality of metallic pipes'20026,399,002'Method of making a pipe with coupling conforming to pipe diameter'20026,372,161'Operation of a mold block with air flow control'20026,352,425'Rotating disk extruder'20026,208,815'Method for differentiating or detecting particles in a sample by identifying signal segments of time-resolved, optical raw signals from the sample on the basis of single photon detection'20016,155,813'Pipe molding apparatus with air assist of plastic onto cooling plug'20006,089,851'Mold block with air flow control'20006,056,528'Extruder head mandrel spider'20006,054,089'Method and apparatus of cooling product within a mold'20005,846,575'Pipe forming mandrel with multiple sleeve inner tube'19985,824,351'Molding apparatus with non-reflective mold tunnels'19985,605,083'Pipe cutting apparatus with differential speed rotatable ring cutter actuation'19975,573,787'Mold apparatus with cooling channels'19965,525,289'Method and apparatus for cooling hollow molded product'19965,429,398'Coupling for ribbed pipe'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–2010Based in Concord, CA· patent location history
1996–2021Based in Ontario, CA· patent location history
2001–2018Based in Hamburg, DE· patent location history
2006–2021Patents assigned to LUPKE STEFAN A (18)· patent assignee history
2006–2011Patents assigned to LUPKE MANFRED A A (9)· patent assignee history
2007–2021Patents assigned to LUPKE MANFRED ARNO ALFRED (8)· patent assignee history
2010Patents assigned to CORMA INC (1)· patent assignee history
2017–2018Patents assigned to PERKINELMER CELLULAR TECH GERMANY GMBH (2)· patent assignee history
2021Based in Thornhill, CA· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LUPKE STEFAN Aself | 18 | 2006–2021 |
| LUPKE MANFRED A A | 9 | 2006–2011 |
| LUPKE MANFRED ARNO ALFRED | 8 | 2007–2021 |
| PERKINELMER CELLULAR TECH GERMANY GMBH | 2 | 2017–2018 |
| CORMA INC | 1 | 2010 |
Locations
| Location | Patents | Span |
|---|---|---|
| Ontario, CA | 33 | 1996–2021 |
| Hamburg, DE | 3 | 2001–2018 |
| Concord, CA | 2 | 1995–2010 |
| Thornhill, CA | 1 | 2021 |