Inventor · disambiguated record
Hans-Dieter Pletka
Also filed as: PLETKA HANS D · PLETKA HANS-DIETER
15 granted patents·905 citations·filing 1975–1995
95Inventor score
Files withDEGUSSA15
Top patents by PatentIndex Score
15 records- 0198US4515758AProcess and catalyst for the reduction of the ignition temperature of diesel soot filtered out of the exhaust gas of diesel enginesDEGUSSA·Filed 1983·Granted May 7, 1985·155 cites·7 claims
- 0298US4072701AProcess for the production of sulfur containing organosilicon compoundsDEGUSSA·Filed 1976·Granted Feb 7, 1978·95 cites·18 claims
- 0398US3997581AProcess for the production of sulfur containing organosilicon compoundsDEGUSSA·Filed 1975·Granted Dec 14, 1976·211 cites·14 claims
- 0497US4152347ASulfur and phosphorus containing organosilicon compounds and process for their production and useDEGUSSA·Filed 1977·Granted May 1, 1979·75 cites·17 claims
- 0596US4129585AProcess for the production of sulfur containing organosilicon compoundsDEGUSSA·Filed 1978·Granted Dec 12, 1978·75 cites·12 claims
- 0695US4294726ACatalyst for the purification of exhaust gases of internal combustion enginesDEGUSSA·Filed 1980·Granted Oct 13, 1981·102 cites·27 claims
- 0794US4477417ACatalyst for reducing the ignition temperature of diesel sootDEGUSSA·Filed 1983·Granted Oct 16, 1984·48 cites·4 claims
- 0870US4588707ACatalyst for the reduction of the ignition temperature of diesel soot filtered out of the exhaust gas of diesel enginesDEGUSSA·Filed 1985·Granted May 13, 1986·27 cites·18 claims
- 0969US4363753AMechanically stable screen cloth construction made of metalDEGUSSA·Filed 1980·Granted Dec 14, 1982·33 cites·11 claims
- 1057US4450244ACatalyst for the combustion of harmful substances contained in exhaust gases of internal combustion engines operated with alcohol and process for the production of the catalystDEGUSSA·Filed 1982·Granted May 22, 1984·16 cites·16 claims
- 1155US5622430AMethod of testing the heat insulation action of bodies especially of heat insulation bodiesDEGUSSA·Filed 1995·Granted Apr 22, 1997·22 cites·1 claims
- 1253US4362605ASensor for measuring the oxygen content in the exhaust gas of combustion engines and method thereofDEGUSSA·Filed 1980·Granted Dec 7, 1982·19 cites·6 claims
- 1352US4316823AMethod of manufacturing a monolithic metallic matrix coated with a catalysis promoting metal oxideDEGUSSA·Filed 1980·Granted Feb 23, 1982·12 cites·26 claims
- 1449US4374047AProcess for application of a catalytically active coating containing platinum, palladium or rhodium or their mixtures to a carrier and product made by said processDEGUSSA·Filed 1981·Granted Feb 15, 1983·9 cites·5 claims
- 1548US4222930ASulfur and phosphorus containing organosilicon compounds and process for their production and useDEGUSSA·Filed 1978·Granted Sep 16, 1980·6 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →