Assignee
RIEDHAMMER LUDWIG GMBH
DE·9 granted patents·73 citations·filing 1977–1986
Top patents by PatentIndex Score
9 records- 0171US4490108AProcess for reducing the oxygen content of the atmosphere in a heat treatment furnace and heat treatment furnace for carrying out this processRIEDHAMMER LUDWIG GMBH·Filed 1983·Granted Dec 25, 1984·13 cites·11 claims
- 0270US4123044ATunnel furnaceRIEDHAMMER LUDWIG GMBH·Filed 1977·Granted Oct 31, 1978·13 cites·1 claims
- 0357US4330268ARoller hearth furnace for ceramic materialRIEDHAMMER LUDWIG GMBH·Filed 1981·Granted May 18, 1982·12 cites·16 claims
- 0448US4365954AContinuous furnace for firing ceramic articlesRIEDHAMMER LUDWIG GMBH·Filed 1981·Granted Dec 28, 1982·7 cites·6 claims
- 0541US4884969ATunnel kilnRIEDHAMMER LUDWIG GMBH·Filed 1986·Granted Dec 5, 1989·14 cites·6 claims
- 0638US4106893ASintering furnaceRIEDHAMMER LUDWIG GMBH·Filed 1977·Granted Aug 15, 1978·3 cites·1 claims
- 0731US4368036AKiln for firing ceramic workpiecesRIEDHAMMER LUDWIG GMBH·Filed 1981·Granted Jan 11, 1983·4 cites·14 claims
- 0826US4753179AFire-resistant ceiling element for an industrial furnace, ceiling for an industrial furnace made of fire-resistant ceiling elements, and industrial furnace with such a ceilingRIEDHAMMER LUDWIG GMBH·Filed 1985·Granted Jun 28, 1988·2 cites·27 claims
- 0924US4609345ATunnel kilnRIEDHAMMER LUDWIG GMBH·Filed 1985·Granted Sep 2, 1986·5 cites·13 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →