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Corma, Inc.

USPTO Granted Patents = 11

CIPO Patents = 3

Trademarks = 3

Forward Citations = 104

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6 inventors (with patents filed for the assignee):

Manfred A Lupke (8 out of 60 patents)

Manfred A A Lupke (1 out of 27 patents)

Stefan A Lupke (1 out of 39 patents)

4. Horst Rahn (1 out of 4 patents)

5. Alfons Meyer (1 out of 3 patents)

6. Hermann Stover (1 out of 2 patents)

11 patents: Sort by Forward Citations

1. 7691317 - Method and device for manufacturing a double-walled, thermoplastic tube with a connecting sleeve (2010-04-06),

2. 6576180 - Process for the production of corrugated plastic tubes (2003-06-10),

3. 5545369 - Clamshell corrugators and the like (1996-08-13),

4. 5516482 - Travelling mold tunnel apparatus for smooth walled pipe (1996-05-14),

5. 5466402 - Gap adjustment of a plastic flow channel in a plastic part forming device (1995-11-14),

6. 5383998 - Apparatus for modifying corrugated or ribbed pipe to have a smooth outer (1995-01-24),

7. 5372774 - Process of and apparatus for making plastic tubing (1994-12-13),

8. 5330600 - Method of modifying corrugated or ribbed pipe to have a smooth outer wall (1994-07-19),

9. 5296188 - Methods for forming tubing utilizing suction and pneumatic pressure at (1994-03-22),

10. 5186878 - Improvements relating to cooling plugs in thermoplastic pipe forming (1993-02-16),

11. 4780165 - Method and apparatus for encasing drainage pipes (1988-10-25),

Corma, Inc. is a leading provider of investigative research services and intelligence solutions for businesses worldwide. With a focus on combating fraud, corporate espionage, and cyber threats, Corma's team of experts offer cutting-edge technology and expertise to help clients protect their assets and reputation.

This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Dec 16 2025

11 Patents

#167 in

#1,322 in Canada

#50,190 in the World