Electric resistance heating devices – Heating devices – Continuous flow type fluid heater
Reexamination Certificate
2007-10-26
2010-12-14
Campbell, Thor S (Department: 3742)
Electric resistance heating devices
Heating devices
Continuous flow type fluid heater
C392S503000
Reexamination Certificate
active
07853132
ABSTRACT:
An electrical heatable fluid line includes an inner cross sectional area which surrounds a medium conducting duct, a heating conductor arrangement which is arranged in a thermally conductive connection with the inner cross sectional area, and an outer cross sectional area which surrounds the heating conductor arrangement between the inner cross sectional area and the outer cross sectional area an intermediate layer which separates the heating conductor arrangement from the outer cross sectional area and which mechanically has a lower stability than the inner cross sectional area and the outer cross sectional area.
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patent: 5428706 (1995-06-01), Lequeux
patent: 7203419 (2007-04-01), Malone et al.
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patent: 39 00 821 (1990-04-01), None
patent: 202005004602 (2005-08-01), None
patent: 102005037183 (2007-05-01), None
Campbell Thor S
Lucas & Mercanti LLP
Norma Germany GmbH
Stoffel Klaus P.
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