Lupke; Gerd P. H.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Lupke; Gerd P. H..The latest application filed is for "apparatus for producing thermoplastic tubing".
- Lupke; Gerd P. H. - Thornhill Ontario CA
| Patent | Date |
|---|---|
| Apparatus for producing thermoplastic tubing Grant 4,319,872 - Lupke , et al. March 16, 1 | 1982-03-16 |
| Composite die assembly for use in the production of thermoplastic tubing Grant 4,305,703 - Lupke , et al. December 15, 1 | 1981-12-15 |
| Feed mechanism comprising an endless member configured as a double helix Grant 4,292,014 - Lupke , et al. September 29, 1 | 1981-09-29 |
| Apparatus for producing thermoplastic tubing Grant 4,226,580 - Lupke , et al. October 7, 1 | 1980-10-07 |
| Apparatus for producing thermoplastic tubing Grant 4,199,314 - Lupke , et al. April 22, 1 | 1980-04-22 |
| Heat shrinkable sleeve for coupling pipe sections Grant 4,141,576 - Lupke , et al. February 27, 1 | 1979-02-27 |
| Apparatus for and method of producing corrugated thermoplastic tubing Grant 4,136,143 - Lupke , et al. January 23, 1 | 1979-01-23 |
| Apparatus for making high speed corrugated plastic tubing Grant 3,981,663 - Lupke September 21, 1 | 1976-09-21 |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.
| 