Inventor · disambiguated record
Ludwig Ludin
Also filed as: LAING KARSTEN · LUDIN LUDWIG
9 granted patents·123 citations·filing 1973–1990
88Inventor score
Top patents by PatentIndex Score
9 records- 0180US4917142ASecondary circulation unitLAING NIKOLAUS L·Filed 1989·Granted Apr 17, 1990·47 cites·6 claims
- 0268US4874300ACeramic step bearing in a centrifugal pumpLAING KARSTEN A·Filed 1987·Granted Oct 17, 1989·26 cites·24 claims
- 0357US4437484AUtility water system with a pressureless storage container, particularly for solar installationsLAING KARSTEN·Filed 1982·Granted Mar 20, 1984·14 cites·5 claims
- 0446US5072717AHot water priming deviceLAING DOERTE·Filed 1990·Granted Dec 17, 1991·14 cites·12 claims
- 0544US4211092ASpace heating installationLAING KARSTEN·Filed 1978·Granted Jul 8, 1980·7 cites·19 claims
- 0640US4471835AHeat transfer pumpLAING KARSTEN·Filed 1982·Granted Sep 18, 1984·5 cites·2 claims
- 0737US4516721APressureless large-area heating systemLAING KARSTEN·Filed 1982·Granted May 14, 1985·4 cites·4 claims
- 0832US4047062ARotating electrical machineLUDIN LUDWIG·Filed 1975·Granted Sep 6, 1977·4 cites·16 claims
- 0929US3933223ABearing lubricated with waterLUDIN LUDWIG·Filed 1973·Granted Jan 20, 1976·2 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →