Havaco Corp.

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LOS ANGELES, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Rotary control valve for expansion fluid driven engines
- Patent number 4,286,500
- Issue date Sep 1, 1981
- Havaco Incorporated
- Robert L. Stevenson
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information Patent Grant
Rotary control valve for expansion fluid engines
- Patent number 4,183,285
- Issue date Jan 15, 1980
- Havaco Incorporated
- Robert L. Stevenson
- F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

Trademarklast 30 trademarks

Information Trademark
97650181 - HEATTECH
- Serial number 97650181
- Filing date Oct 27, 2022
- Havaco Corp
- 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information Trademark
85387765 - HEATTECH
- Serial number 85387765
- Registration number 4299462
- Filing date Aug 3, 2011
- Havaco Corp
- 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes
Information Trademark
85164307 - BRAZETEK
- Serial number 85164307
- Registration number 3977457
- Filing date Oct 29, 2010
- Havaco Corp
- 11 - Apparatus for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes