Inventor · disambiguated record
Helmut Schmelz
Also filed as: SCHMELZ HELMUT
18 granted patents·831 citations·filing 1974–1997
96Inventor score
Files withSIEMENS AG18
Top patents by PatentIndex Score
18 records- 0198US5628186AMethod and apparatus for controlled introduction of a reducing agent into a nitrogen oxide-containing exhaust gasSIEMENS AG·Filed 1995·Granted May 13, 1997·291 cites·28 claims
- 0295US5643536AMethod and apparatus for metering a reagent into a flowing mediumSIEMENS AG·Filed 1994·Granted Jul 1, 1997·109 cites·8 claims
- 0387US4812296AProcess utilizing catalytic material for the reduction of nitrous oxidesSIEMENS AG·Filed 1988·Granted Mar 14, 1989·70 cites·8 claims
- 0486US5833932ACatalytic converter for nitrogen oxide reduction in the exhaust gas of an internal combustion engineSIEMENS AG·Filed 1997·Granted Nov 10, 1998·70 cites·14 claims
- 0584US4407858AMethod for producing films of sintered polycrystalline siliconSIEMENS AG·Filed 1981·Granted Oct 4, 1983·34 cites·5 claims
- 0683US5546004ASensor for determining the course of concentration of an adsorbent substanceSIEMENS AG·Filed 1994·Granted Aug 13, 1996·38 cites·16 claims
- 0777US5045516AProcess for producing a catalyst for reducing nitrogen oxides in flue gasesSIEMENS AG·Filed 1989·Granted Sep 3, 1991·36 cites·9 claims
- 0873US3996168ACeramic electrical resistorSIEMENS AG·Filed 1974·Granted Dec 7, 1976·24 cites·21 claims
- 0968US4054532ACeramic dielectric materialSIEMENS AG·Filed 1976·Granted Oct 18, 1977·21 cites·23 claims
- 1066US5849593AMethod for metering a reagent into a flowing mediumSIEMENS AG·Filed 1997·Granted Dec 15, 1998·29 cites·4 claims
- 1166US5394610ACatalytic converter and method for producing the sameSIEMENS AG·Filed 1993·Granted Mar 7, 1995·25 cites·19 claims
- 1263US5225390ACatalyst for reducing nitrogen oxidesSIEMENS AG·Filed 1991·Granted Jul 6, 1993·24 cites·10 claims
- 1361US4849392ACatalyst material for reducing the nitrogen oxides in flue gasesSIEMENS AG·Filed 1987·Granted Jul 18, 1989·21 cites·5 claims
- 1458US4149173ACapacitor dielectric with internal barrier layers and a method for its productionSIEMENS AG·Filed 1977·Granted Apr 10, 1979·15 cites·11 claims
- 1555US4131903ACapacitor dielectric with inner blocking layers and method for producing the sameSIEMENS AG·Filed 1977·Granted Dec 26, 1978·10 cites·3 claims
- 1646US4192840AMethod for producing a capacitor dielectric with inner blocking layersSIEMENS AG·Filed 1978·Granted Mar 11, 1980·7 cites·9 claims
- 1741US4425556ACeramic cold conductor and method of producing the sameSIEMENS AG·Filed 1981·Granted Jan 10, 1984·7 cites·4 claims
- 1827US4361529AMethod for producing plate or tape shaped silicon crystal bodies having crystalline pillar-like structures, equivalent to columnar structures, for large surface solar cellsSIEMENS AG·Filed 1981·Granted Nov 30, 1982·0 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →