Inventor · disambiguated record
Hermann Pfeifer
Also filed as: PFEIFER HERMANN
8 granted patents·3 pending applications·52 citations·filing 1980–2022
85Inventor score
Files withSAVIO SPA3KAISER TIMOTHEUS2MERCEDES BENZ GROUP AG2SICOWA VERFAHRENSTECH2BATTELLE DEVELOPMENT CORP1
Top patents by PatentIndex Score
11 records- 0185US8820288B2Steel piston for internal combustion enginesKAISER TIMOTHEUS·Filed 2011·Granted Sep 2, 2014·6 cites·6 claims
- 0270US4339914AMethod and apparatus for cleaning an open-end spinning rotorSAVIO SPA·Filed 1980·Granted Jul 20, 1982·9 cites·2 claims
- 0357US4456449AApparatus for the production of calcium silicate-containing stone blanks useful in constructing building wallsSICOWA VERFAHRENSTECH·Filed 1982·Granted Jun 26, 1984·12 cites·6 claims
- 0455US2024275248A1Method for producing a permanent magnet for an electrical machine, permanent magnet and use of a permanent magnetMERCEDES BENZ GROUP AG·Filed 2022·Application pending·0 cites
- 0552US2016375484A1Method for Producing a Casting Core and a Casting CoreDAIMLER AG·Filed 2014·Application pending·0 cites
- 0651US2025079057A1Permanent Magnet for an Electric Machine, Electric Machine, and Method for Producing a Permanent MagnetMERCEDES BENZ GROUP AG·Filed 2022·Application pending·0 cites
- 0747US4376086AProcess for the production of calcium silicate-containing stone blanks useful in constructing building wallsSICOWA VERFAHRENSTECH·Filed 1981·Granted Mar 8, 1983·8 cites·14 claims
- 0847US4295330ARe-attachment device for an open-end type spinning frameSAVIO SPA·Filed 1980·Granted Oct 20, 1981·5 cites·10 claims
- 0942US9429100B2Cooling duct piston and method for producing the sameKAISER TIMOTHEUS·Filed 2011·Granted Aug 30, 2016·0 cites·8 claims
- 1042US4315399AProcedure for cleaning a rotor of a spinning unit of the open-end typeSAVIO SPA·Filed 1980·Granted Feb 16, 1982·8 cites·2 claims
- 1128US4375380AProcess and installation for manufacturing a photothermal converter apparatusBATTELLE DEVELOPMENT CORP·Filed 1981·Granted Mar 1, 1983·4 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →