Assignee
H & H TUBE & MFG CO
5 granted patents·1 pending application·157 citations·filing 1979–2006
Top patents by PatentIndex Score
6 records- 0184US4585059AHeat transfer tube assemblyH & H TUBE & MFG CO·Filed 1982·Granted Apr 29, 1986·45 cites·6 claims
- 0277US4451966AHeat transfer tube assemblyH & H TUBE & MFG CO·Filed 1981·Granted Jun 5, 1984·34 cites·4 claims
- 0371US4309987AFluid flow assembly for solar heat collectors or radiatorsH & H TUBE & MFG CO·Filed 1980·Granted Jan 12, 1982·45 cites·16 claims
- 0465US4292958ASolar heat absorber for solar heat collectorsH & H TUBE & MFG CO·Filed 1979·Granted Oct 6, 1981·30 cites·5 claims
- 0534USD406639SSpout designH&H TUBE & MFG CO·Filed 1998·Granted Mar 9, 1999·3 cites·1 claims
- 0632US2008122222A1Crimp-on transition fittingH & H TUBE & MFG CO·Filed 2006·Application pending·0 cites
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