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In a two pipe system
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F24D19/0009
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F
MECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS
F24
Heating devices
F24D
DOMESTIC- OR SPACE-HEATING SYSTEMS
F24D19/00
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F24D19/0009
In a two pipe system
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Patents Grants
last 30 patents
Information
Patent Grant
Plumbing and heating pipe system for water supply purposes, made ei...
Patent number
5,341,843
Issue date
Aug 30, 1994
Rafeld Kunststofftechnik GmbH u. Co. KG.
Karl Rafeld
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Plumbing and heating pipe system for water supply purposes, made ei...
Patent number
5,286,001
Issue date
Feb 15, 1994
Karl Rafeld KG Spritzgusswerk, Elektronik und Formenbau
Karl Rafeld
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Modular heat installation for premises with water as a heat transmi...
Patent number
5,111,875
Issue date
May 12, 1992
Curt Hammarstedt
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
Radiator valve
Patent number
4,611,786
Issue date
Sep 16, 1986
Danfoss A/S
Hans Jorgensen
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
3901438
Patent number
3,901,438
Issue date
Aug 26, 1975
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
2808994
Patent number
2,808,994
Issue date
Oct 8, 1957
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
1811406
Patent number
1,811,406
Issue date
Jun 23, 1931
F24 - HEATING RANGES VENTILATING
Information
Patent Grant
1606109
Patent number
1,606,109
Issue date
Nov 9, 1926
F24 - HEATING RANGES VENTILATING
Patents Applications
last 30 patents