Hegler; Wilhelm

Patent Applications and Registrations

Patent applications and USPTO patent grants for Hegler; Wilhelm.The latest application filed is for "method of producing multilayer thermoplastic pipe".

Company Profile

0.30.0

Hegler; Wilhelm - Bad Kissingen DE
Hegler; Wilhelm - D-97688 Bad Kissingen DE
Hegler; Wilhelm - DE DE
Hegler; Wilhelm - D-8730 Bad Kissingen DE
Hegler; Wilhelm - 873 Bad Kissingen DT
Hegler; Wilhelm - 8731 Oerlenbach DT

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method of producing multilayer thermoplastic pipe Grant 5,976,298 - Hegler , et al. November 2, 1	1999-11-02
Method for continuously manufacturing compound corrugated pipe having smooth portions Grant 5,472,659 - Hegler , et al. December 5, 1	1995-12-05
Apparatus for the manufacture of a plastic pipe having transverse profile features Grant 5,393,211 - Hegler , et al. February 28, 1	1995-02-28
Method and apparatus for the continuous manufacture of a compound pipe with a pipe socket Grant 5,320,797 - Hegler , et al. June 14, 1	1994-06-14
Apparatus for the production of plastic pipes Grant 5,141,427 - Hegler , et al. August 25, 1	1992-08-25
Plastic pipe for sewer pipe reconstruction Grant 5,071,173 - Hegler , et al. December 10, 1	1991-12-10
Partial-seepage drainage pipe with mating sleeve Grant 4,930,936 - Hegler , et al. June 5, 1	1990-06-05
Pipe connecting element Grant 4,915,425 - Hegler , et al. April 10, 1	1990-04-10
Plastic corrugated tube with integrally molded sleeve coupler Grant 4,779,651 - Hegler , et al. October 25, 1	1988-10-25
Corrugated sheathing hose Grant 4,513,787 - Hegler , et al. April 30, 1	1985-04-30
Apparatus for the production of plastic pipes with transverse grooves Grant 4,492,551 - Hegler , et al. January 8, 1	1985-01-08
Double-wall plastic tubing in which the outer wall has transverse corrugations and the inner wall is smooth Grant 4,303,104 - Hegler , et al. December 1, 1	1981-12-01
Method of manufacturing double-wall plastic tubing in which the outer wall has transverse corrugations and the inner wall is smooth Grant 4,145,387 - Hegler , et al. March 20, 1	1979-03-20
Plastic drain pipe and apparatus for producing the same Grant 4,006,599 - Hegler , et al. February 8, 1	1977-02-08
Method of producing double-walled synthetic plastics tubes having an outer wall with annular or helical corrugations Grant 3,996,323 - Hegler , et al. December 7, 1	1976-12-07
Apparatus for the production of double-walled synthetic plastic tubes having a transversely corrugated outer wall and a smooth inner wall Grant 3,976,414 - Hegler , et al. August 24, 1	1976-08-24
Apparatus For Cutting Apertures In Tubes Grant 3,824,886 - Hegler July 23, 1	1974-07-23
Apparatus For The Manufacture Of Plastic Tubing Of Special Cross-sectional Configuration Grant 3,776,679 - Hegler December 4, 1	1973-12-04
Apparatus For Forming Plastic Tubing Having A Smooth Inner Wall And A Corrugated Outer Wall Grant 3,677,676 - Hegler July 18, 1	1972-07-18

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.