Inventor · disambiguated record
Hans-Martin Ringelstein
Also filed as: RINGELSTEIN HANS MARTIN · SCHRAWER ROLF
11 granted patents·63 citations·filing 1978–2016
89Inventor score
Top patents by PatentIndex Score
11 records- 0159US7297178B2Method and device for producing spherical metal particlesUMICORE AG & CO KG·Filed 2002·Granted Nov 20, 2007·7 cites·12 claims
- 0257US9659762B2Amalgam balls having an alloy coatingUMICORE AG & CO KG·Filed 2016·Granted May 23, 2017·0 cites·23 claims
- 0355US9263245B2Amalgam balls having an alloy coatingHUTIN OLIVIER·Filed 2012·Granted Feb 16, 2016·2 cites·23 claims
- 0453US4634383AProcess and apparatus for the production of fillings in teethDEGUSSA·Filed 1985·Granted Jan 6, 1987·15 cites·4 claims
- 0544US4963184ATooth filling material and method of its preparationDEGUSSA·Filed 1989·Granted Oct 16, 1990·10 cites·8 claims
- 0641US4187956ASafety insert for storage vessels of low-boiling liquified gasesMESSER GRIESHEIM GMBH·Filed 1978·Granted Feb 12, 1980·7 cites·3 claims
- 0737US4610631AProcess for the production of fillings for teethDEGUSSA·Filed 1985·Granted Sep 9, 1986·7 cites·8 claims
- 0835US4892582ADental filling-material and method for its preparationDEGUSSA·Filed 1989·Granted Jan 9, 1990·5 cites·5 claims
- 0933US5833462APrecision attachments for dental technology capable of being cast onDEGUSSA·Filed 1996·Granted Nov 10, 1998·2 cites·3 claims
- 1032US5695714AGold-palladium alloys for dental materialsDEGUSSA·Filed 1994·Granted Dec 9, 1997·3 cites·17 claims
- 1127US5547625AMethod of producing flexible plastic bands compounded with hard-material powders and/or soldering powdersDEGUSSA·Filed 1994·Granted Aug 20, 1996·5 cites·5 claims
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