Inventor · disambiguated record
Johann Sperl
Also filed as: SPERL JOHANN
4 granted patents·1 pending application·86 citations·filing 1988–2001
78Inventor score
Top patents by PatentIndex Score
5 records- 0184US4923033AHeating device, particularly automotive heating device, with an integrated mufflerWEBASTO AG FAHRZEUGTECHNIK·Filed 1988·Granted May 8, 1990·51 cites·32 claims
- 0263US6644959B2Atomizing burner for a heating device of a vehicleWEBASTO THERMOSYSTEME GMBH·Filed 2001·Granted Nov 11, 2003·12 cites·21 claims
- 0354US5020991AHeating device operated by means of liquid fuelWEBASTO AG FAHRZEUGTECHNIK·Filed 1990·Granted Jun 4, 1991·20 cites·20 claims
- 0450US7531015B2System for converting fuel and air into reformateWEBASTO AG·Filed 2001·Granted May 12, 2009·3 cites·13 claims
- 0519US2002008098A1Process and device for the heat treatment of semiconductor wafersFiled 1999·Application pending·0 cites
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