Inventor · disambiguated record
Heinrich Lotz
Also filed as: LOTZ HEINRICH
13 granted patents·248 citations·filing 1987–2004
93Inventor score
Top patents by PatentIndex Score
13 records- 0187US5893702AGas friction pumpPFEIFFER VACUUM GMBH·Filed 1997·Granted Apr 13, 1999·81 cites·11 claims
- 0273US6461123B1Turbomolecular pumpPFEIFFER VACUUM GMBH·Filed 2000·Granted Oct 8, 2002·19 cites·4 claims
- 0369US5088899APump with drive motorPFEIFFER VAKUUMTECHNIK·Filed 1990·Granted Feb 18, 1992·39 cites·4 claims
- 0465US4826394AVacuum pumpPFEIFFER VAKUUMTECHNIK·Filed 1988·Granted May 2, 1989·24 cites·6 claims
- 0562US7367429B2Device for feeding oil to a bearing seat of a rotatable shaftPFEIFFER VACUUM GMBH·Filed 2004·Granted May 6, 2008·8 cites·4 claims
- 0660US6409477B1Vacuum pumpPFEIFFER VACUUM GMBH·Filed 2000·Granted Jun 25, 2002·14 cites·6 claims
- 0756US6638010B2Gas friction pumpPFEIFFER VACUUM GMBH·Filed 2001·Granted Oct 28, 2003·8 cites·5 claims
- 0855US6561755B1Turbomolecular pumpPFEIFFER VACUUM GMBH·Filed 2000·Granted May 13, 2003·9 cites·3 claims
- 0954US6524060B2Gas friction pumpPFEIFFER VACUUM GMBH·Filed 2001·Granted Feb 25, 2003·7 cites·5 claims
- 1054US4770574ADiscs with bladesPFEIFFER VAKUUMTECHNIK·Filed 1987·Granted Sep 13, 1988·14 cites·8 claims
- 1139US5910695ADamping device for a magnetically supported rotorPFEIFFER VACUUM GMBH·Filed 1998·Granted Jun 8, 1999·9 cites·8 claims
- 1237US5927940ADouble-flow gas friction pumpPFEIFFER VACUUM GMBH·Filed 1997·Granted Jul 27, 1999·8 cites·6 claims
- 1336US4832564APumpsPFEIFFER VAKUUMTECHNIK·Filed 1988·Granted May 23, 1989·8 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →