Inventor · disambiguated record
Hans Kriechel
Also filed as: KRIECHEL HANS · MUEHLHOFF MARTIN
5 granted patents·115 citations·filing 1990–2001
82Inventor score
Technology areasF04D
Top patents by PatentIndex Score
5 records- 0178US5553998AGas friction vacuum pump having at least three differently configured pump stages releasably connected togetherLEYBOLD AG·Filed 1993·Granted Sep 10, 1996·47 cites·5 claims
- 0267US5051060AGas friction pump having an outlet-side helical stageLEYBOLD AG·Filed 1990·Granted Sep 24, 1991·32 cites·8 claims
- 0356US5165872AGas friction pump having a bell-shaped rotorLEYBOLD AG·Filed 1990·Granted Nov 24, 1992·24 cites·11 claims
- 0446US6682324B2Radial turbo-blowerLEYBOLD VAKUUM GMBH·Filed 2001·Granted Jan 27, 2004·4 cites·13 claims
- 0531US5114320ABlower or pump with capillary filter for replenishment of oil separated by vacuum pumpLEYBOLD AG·Filed 1990·Granted May 19, 1992·8 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →