H & H Tube & Mfg. Co.

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Southfield, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Spout design
- Patent number D406639
- Issue date Mar 9, 1999
- H&H Tube & Manufacturing Co.
- Larry B. Higgins
- D23 - Environmental heating and cooling
Information Patent Grant
Heat transfer tube assembly
- Patent number 4,585,059
- Issue date Apr 29, 1986
- H & H Tube & Mfg. Co.
- Marlow Lee
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Heat transfer tube assembly
- Patent number 4,451,966
- Issue date Jun 5, 1984
- H & H Tube & Mfg. Co.
- Marlow Lee
- F28 - HEAT EXCHANGE IN GENERAL
Information Patent Grant
Fluid flow assembly for solar heat collectors or radiators
- Patent number 4,309,987
- Issue date Jan 12, 1982
- H & H Tube & Mfg. Co.
- Clifford H. Higgins
- F24 - HEATING RANGES VENTILATING
Information Patent Grant
Solar heat absorber for solar heat collectors
- Patent number 4,292,958
- Issue date Oct 6, 1981
- H & H Tube & Mfg. Co.
- Marlow Lee
- F24 - HEATING RANGES VENTILATING

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Patents Applicationslast 30 patents

Information Patent Application
Crimp-on transition fitting
- Publication number 20080122222
- Publication date May 29, 2008
- H&H Tube & Manufacturing Co.
- Scott Steven Sheppard
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Application
One-piece flexible tube connector and method of making the same
- Publication number 20080053177
- Publication date Mar 6, 2008
- H&H Tube & Manufacturing Co.
- Gary Lee Knirk
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

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Trademarklast 30 trademarks

Information Trademark
77109069 - H&H
- Serial number 77109069
- Filing date Feb 16, 2007
- H & H TUBE & MANUFACTURING COMPANY
- 6 - Common metals and their alloys
Information Trademark
77109084 - H&H
- Serial number 77109084
- Filing date Feb 16, 2007
- H & H TUBE & MANUFACTURING COMPANY
- 6 - Common metals and their alloys
Information Trademark
75155119 - METAL-FLO III
- Serial number 75155119
- Registration number 2118495
- Filing date Aug 23, 1996
- H & H TUBE & MANUFACTURING COMPANY
- 40 - Treatment of materials
Information Trademark
73506926 - H & H
- Serial number 73506926
- Registration number 1370873
- Filing date Nov 2, 1984
- H & H TUBE & MANUFACTURING CO.
- 6 - Common metals and their alloys