Assignee

SPIEGEL HERBERT

DE·2 granted patents·31 citations·filing 1995–2011

Technology mixF24D2 Y10T2 E03B1 F17D1

Top patents by PatentIndex Score

2 records

0174US9032995B2Liquid supply with circulation via through-passing inner pipesSPIEGEL HERBERT·Filed 2011·Granted May 19, 2015·7 cites·11 claims
0260US5586720AHot water supply system with a ring pipelineSPIEGEL HERBERT·Filed 1995·Granted Dec 24, 1996·24 cites·12 claims

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