David J. Herzog

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Maple Grove, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Unsaturated polyester resin system for cured in-place piping
- Patent number 11,180,632
- Issue date Nov 23, 2021
- Interplastic Corporation
- Benjamin R. Hazen
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Unsaturated polyester resin system for cured in-place piping
- Patent number 10,131,766
- Issue date Nov 20, 2018
- Interplastic Corporation
- Benjamin R. Hazen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
UNSATURATED POLYESTER RESIN SYSTEM FOR CURED IN-PLACE PIPING
- Publication number 20220213294
- Publication date Jul 7, 2022
- Interplastic Corporation
- Benjamin R. Hazen
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
UNSATURATED POLYESTER RESIN SYSTEM FOR CURED IN-PLACE PIPING
- Publication number 20190153196
- Publication date May 23, 2019
- Interplastic Corporation
- Benjamin R. Hazen
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
UNSATURATED POLYESTER RESIN SYSTEM FOR CURED IN-PLACE PIPING
- Publication number 20180305521
- Publication date Oct 25, 2018
- Interplastic Corporation
- Benjamin R. Hazen
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...