Inventor · disambiguated record
Rolf Schiefer
Also filed as: SCHIEFER ROLF
3 granted patents·5 citations·filing 1991–2009
54Inventor score
Top patents by PatentIndex Score
3 records- 0135US9029594B2Separation of ammonium chloride from the gas phase of an isocyanate production processHANSEN SVEN MICHAEL·Filed 2009·Granted May 12, 2015·0 cites·6 claims
- 0223US5709750AApparatus for applying a liquid mediumFiled 1996·Granted Jan 20, 1998·5 cites·10 claims
- 0313US5255701AHydraulic pressure regulatorSCHIEFER ROLF·Filed 1991·Granted Oct 26, 1993·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →